xuanyuanaosheng commented on issue #7838:
URL: https://github.com/apache/cloudstack/issues/7838#issuecomment-1707925070
@kiwiflyer
Thanks for your reply.
I have followed your guidance and modified the network configuration to:
```
# cat ifcfg-eno1
TYPE=Ethernet
BOOTPROTO=none
NAME=eno1
UUID=a1420bd0-2cbe-45b4-b92e-7ba22aa148ef
DEVICE=eno1
ONBOOT=yes
# cat ifcfg-eno1.2128
NAME=eno1.2128
DEVICE=eno1.2128
ONBOOT=yes
HOTPLUG=no
BOOTPROTO=none
VLAN=yes
BRIDGE=cloudbr0
# cat ifcfg-cloudbr0
NAME=cloudbr0
DEVICE=cloudbr0
TYPE=BRIDGE
BOOTPROTO=none
ONBOOT=yes
IPADDR=10.26.128.22
GATEWAY=10.26.128.254
NETMASK=255.255.255.0
HOTPLUG=no
DELAY=5
STP=no
-------------------------------------------------------------------------------------
# cat ifcfg-eno2
TYPE=Ethernet
BOOTPROTO=none
NAME=eno2
UUID=d8d48df8-95f5-43af-afc5-433fc81f322e
DEVICE=eno2
ONBOOT=yes
# cat ifcfg-eno2.2230
NAME=eno2.2230
DEVICE=eno2.2230
ONBOOT=yes
HOTPLUG=no
VLAN=yes
BOOTPROTO=static
IPADDR=10.71.231.42
NETMASK=255.255.255.0
```
Now the hosts network config:
```
|---------------- cloudbr0: 10.26.128.22 ( VLAN 2128)
kvm001 ------
|---------------- eno2.2230: 10.71.231.42 ( VLAN 2230)
|---------------- cloudbr0: 10.26.128.23 ( VLAN 2128)
kvm002 ------
|---------------- eno2.2230: 10.71.231.43 ( VLAN 2230)
|---------------- cloudbr0: 10.26.128.25 ( VLAN 2128)
kvm003 ------
|---------------- eno2.2230: 10.71.231.41 ( VLAN 2230)
```
Now the guest vxlan network is binded to a vlan NIC: `eno2.2230` and the
vlan interface should assigned a private IP (10.71.231.42, 10.71.231.41,
10.71.231.43) to do multicast with peer host. and they can ping each other
using ` eno2.2230`.
The zone set is
The host can ping each other using `eno2.2230`:
```
[root@kvm001 ~]# ping -I eno2.2230 10.71.231.41
PING 10.71.231.41 (10.71.231.41) from 10.71.231.42 eno2.2230: 56(84) bytes
of data.
64 bytes from 10.71.231.41: icmp_seq=1 ttl=64 time=0.161 ms
64 bytes from 10.71.231.41: icmp_seq=2 ttl=64 time=0.177 ms
64 bytes from 10.71.231.41: icmp_seq=3 ttl=64 time=0.178 ms
^C
--- 10.71.231.41 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2027ms
rtt min/avg/max/mdev = 0.161/0.172/0.178/0.007 ms
[root@kvm001 ~]# ping -I eno2.2230 10.71.231.43
PING 10.71.231.43 (10.71.231.43) from 10.71.231.42 eno2.2230: 56(84) bytes
of data.
64 bytes from 10.71.231.43: icmp_seq=1 ttl=64 time=0.239 ms
64 bytes from 10.71.231.43: icmp_seq=2 ttl=64 time=0.221 ms
^C
--- 10.71.231.43 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1025ms
rtt min/avg/max/mdev = 0.221/0.230/0.239/0.009 ms
```
Now the host iptables on kvm001
```
# cat /etc/sysconfig/iptables
# Generated by iptables-save v1.8.4 on Mon Sep 4 12:19:22 2023
*filter
:INPUT ACCEPT [296573:1195510000]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [300735:351478871]
:LIBVIRT_INP - [0:0]
:LIBVIRT_OUT - [0:0]
:LIBVIRT_FWO - [0:0]
:LIBVIRT_FWI - [0:0]
:LIBVIRT_FWX - [0:0]
-A INPUT -p udp -m udp --dport 8472 -j ACCEPT
-A INPUT -p udp -m udp --dport 4789 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 49152:49216 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 5900:6100 -j ACCEPT
-A INPUT -j LIBVIRT_INP
-A INPUT -p tcp -m tcp --dport 16514 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 16509 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 1798 -j ACCEPT
-A INPUT -s 224.0.0.0/4 -j ACCEPT
-A FORWARD -j LIBVIRT_FWX
-A FORWARD -j LIBVIRT_FWI
-A FORWARD -j LIBVIRT_FWO
-A FORWARD -s 224.0.0.0/4 -d 224.0.0.0/4 -j ACCEPT
-A OUTPUT -j LIBVIRT_OUT
-A OUTPUT -d 224.0.0.0/4 -j ACCEPT
COMMIT
# Completed on Mon Sep 4 12:19:22 2023
# Generated by iptables-save v1.8.4 on Mon Sep 4 12:19:22 2023
*security
:INPUT ACCEPT [368423:2248850292]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [300741:351481031]
COMMIT
# Completed on Mon Sep 4 12:19:22 2023
# Generated by iptables-save v1.8.4 on Mon Sep 4 12:19:22 2023
*raw
:PREROUTING ACCEPT [371554:2249164792]
:OUTPUT ACCEPT [300741:351481031]
COMMIT
# Completed on Mon Sep 4 12:19:22 2023
# Generated by iptables-save v1.8.4 on Mon Sep 4 12:19:22 2023
*mangle
:PREROUTING ACCEPT [371554:2249164792]
:INPUT ACCEPT [368423:2248850292]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [300741:351481031]
:POSTROUTING ACCEPT [300780:351485545]
COMMIT
# Completed on Mon Sep 4 12:19:22 2023
# Generated by iptables-save v1.8.4 on Mon Sep 4 12:19:22 2023
*nat
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
COMMIT
# Completed on Mon Sep 4 12:19:22 2023
-------------------------------------------------------------------------------------
# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT tcp -- anywhere anywhere tcp dpt:etp
ACCEPT udp -- anywhere anywhere udp dpt:vxlan
ACCEPT udp -- anywhere anywhere udp dpt:otv
ACCEPT tcp -- anywhere anywhere tcp
dpts:49152:49216
ACCEPT tcp -- anywhere anywhere tcp
dpts:rfb:synchronet-db
LIBVIRT_INP all -- anywhere anywhere
ACCEPT tcp -- anywhere anywhere tcp dpt:16514
ACCEPT tcp -- anywhere anywhere tcp dpt:16509
ACCEPT tcp -- anywhere anywhere tcp dpt:ssh
ACCEPT all -- base-address.mcast.net/4 anywhere
Chain FORWARD (policy ACCEPT)
target prot opt source destination
LIBVIRT_FWX all -- anywhere anywhere
LIBVIRT_FWI all -- anywhere anywhere
LIBVIRT_FWO all -- anywhere anywhere
ACCEPT all -- base-address.mcast.net/4 base-address.mcast.net/4
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
LIBVIRT_OUT all -- anywhere anywhere
ACCEPT all -- anywhere base-address.mcast.net/4
Chain LIBVIRT_INP (1 references)
target prot opt source destination
Chain LIBVIRT_OUT (1 references)
target prot opt source destination
Chain LIBVIRT_FWO (1 references)
target prot opt source destination
Chain LIBVIRT_FWI (1 references)
target prot opt source destination
Chain LIBVIRT_FWX (1 references)
target prot opt source destination
```
According to the these configuration, the current situation is still the
same as before.
-----
The network data stream:
```
kvm001 (eno2.2230, 10.71.231.42) <=======> kvm002 (eno2.2230,
10.71.231.43)
```
The VM network data stream:
```
VM: ubuntu221 (10.28.22.112, i-2-30985-VM, 02:00:25:45:00:01) --> vnet6
(fe:00:25:45:00:01) --> brvx-2841 (86:a4:a4:8b:23:91) --> vxlan2841
(vxlan://2841, mtu 1450, vxlan id 2841 group 239.0.11.25 dev eno2.2230 srcport
0 0 dstport 8472 ttl 10 ageing 300 udpcsum) --> eno2.2230 (20:67:7c:19:67:78)
--> eno2 <----------------------------> eno2 --> eno2.2230
(ac:16:2d:ab:e3:e4) --> vxlan2841 (vxlan://2841, mtu 1450, vxlan id 2841 group
239.0.11.25 dev eno2.2230 srcport 0 0 dstport 8472 ttl 10 ageing 300 udpcsum)
--> brvx-2841 (36:ef:97:61:d5:c5) --> vnet8 (fe:00:5c:64:00:03) --> VM:
ubuntu231 (10.28.22.19, i-2-30986-VM, 02:00:5c:64:00:03)
```
I do some tcpdump on the kvm001 interface:
The tcpdump result on kvm001 is:
```
# tcpdump -i vnet6 -s0 -nn -vvv
dropped privs to tcpdump
tcpdump: listening on vnet6, link-type EN10MB (Ethernet), capture size
262144 bytes
15:55:54.266144 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:55:55.319656 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:55:56.343753 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:04.266472 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:05.303760 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:06.327631 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
^C
6 packets captured
6 packets received by filter
0 packets dropped by kernel
--------------------------------------------------------------------------------------------
# tcpdump -i brvx-2841 -s0 -nn -vvv
dropped privs to tcpdump
tcpdump: listening on brvx-2841, link-type EN10MB (Ethernet), capture size
262144 bytes
15:56:24.266160 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:25.271682 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:26.295698 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:34.266367 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:35.319565 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:36.343746 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:44.266254 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:45.303644 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:46.327559 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:54.266462 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:55.287691 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:56:56.311641 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
^C
12 packets captured
12 packets received by filter
0 packets dropped by kernel
-----------------------------------------------------------------------------------------------
# tcpdump -i vxlan2841 -s0 -nn -vvv
dropped privs to tcpdump
tcpdump: listening on vxlan2841, link-type EN10MB (Ethernet), capture size
262144 bytes
15:58:04.266350 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:58:05.303652 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:58:06.327539 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:58:14.266350 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:58:15.287671 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:58:16.311607 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:58:24.266230 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:58:25.271531 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
15:58:26.295662 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.112, length 28
^C
9 packets captured
9 packets received by filter
0 packets dropped by kernel
-----------------------------------------------------------------------------------------------------
# tcpdump -i eno2.2230 -s0 -nn -vvv
dropped privs to tcpdump
tcpdump: listening on eno2.2230, link-type EN10MB (Ethernet), capture size
262144 bytes
15:58:47.000764 IP (tos 0x0, ttl 10, id 50852, offset 0, flags [none], proto
UDP (17), length 86)
10.71.231.42.39295 > 239.0.10.246.8472: [bad udp cksum 0xd06d ->
0xfe83!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 32142, offset 0, flags [DF], proto UDP (17), length
36)
10.28.17.228.55670 > 225.0.0.50.3780: [bad udp cksum 0xfd53 -> 0x2b6a!]
UDP, length 8
15:58:47.020424 IP (tos 0xc0, ttl 255, id 0, offset 0, flags [none], proto
UDP (17), length 80)
10.71.231.252.1985 > 224.0.0.102.1985: [udp sum ok] HSRPv1
15:58:47.104169 STP 802.1w, Rapid STP, Flags [Learn, Forward], bridge-id
18b6.00:de:fb:bb:23:41.8089, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay
15.00s
root-id 18b6.00:de:fb:bb:23:41, root-pathcost 0, port-role Designated
15:58:47.239307 IP (tos 0x0, ttl 10, id 51088, offset 0, flags [none], proto
UDP (17), length 114)
10.71.231.42.34893 > 239.0.10.246.8472: [bad udp cksum 0xebd7 ->
0x7d25!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0xc0, ttl 255, id 18808, offset 0, flags [none], proto AH (51),
length 64)
10.28.17.228 > 224.0.0.18: AH(spi=0x0a1c11e4,sumlen=16,seq=0x14978):
vrrp 10.28.17.228 > 224.0.0.18: VRRPv2, Advertisement, vrid 51, prio 100,
authtype ah, intvl 1s, length 20, addrs: 10.28.17.254
15:58:47.803784 f4:03:43:00:c3:2d > 01:14:c2:44:1e:cc SNAP, oui Unknown
(0x0014c2), pid Unknown (0x0001), length 58:
0x0000: aaaa 0300 14c2 0001 0000 0000 0000 0000 ................
0x0010: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0x0030: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0x0040: 0000 ..
15:58:48.000925 IP (tos 0x0, ttl 10, id 51614, offset 0, flags [none], proto
UDP (17), length 86)
10.71.231.42.39295 > 239.0.10.246.8472: [bad udp cksum 0xd06d ->
0xfe82!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 32264, offset 0, flags [DF], proto UDP (17), length
36)
10.28.17.228.55670 > 225.0.0.50.3780: [bad udp cksum 0xfd53 -> 0x2b69!]
UDP, length 8
15:58:48.239568 IP (tos 0x0, ttl 10, id 51758, offset 0, flags [none], proto
UDP (17), length 114)
10.71.231.42.34893 > 239.0.10.246.8472: [bad udp cksum 0xebd7 ->
0x8f98!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0xc0, ttl 255, id 18809, offset 0, flags [none], proto AH (51),
length 64)
10.28.17.228 > 224.0.0.18: AH(spi=0x0a1c11e4,sumlen=16,seq=0x14979):
vrrp 10.28.17.228 > 224.0.0.18: VRRPv2, Advertisement, vrid 51, prio 100,
authtype ah, intvl 1s, length 20, addrs: 10.28.17.254
15:58:49.001019 IP (tos 0x0, ttl 10, id 52061, offset 0, flags [none], proto
UDP (17), length 86)
10.71.231.42.39295 > 239.0.10.246.8472: [bad udp cksum 0xd06d ->
0xfe81!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 32503, offset 0, flags [DF], proto UDP (17), length
36)
10.28.17.228.55670 > 225.0.0.50.3780: [bad udp cksum 0xfd53 -> 0x2b68!]
UDP, length 8
15:58:49.031369 IP (tos 0xc0, ttl 255, id 0, offset 0, flags [none], proto
UDP (17), length 80)
10.71.231.253.1985 > 224.0.0.102.1985: [udp sum ok] HSRPv1
15:58:49.111227 STP 802.1w, Rapid STP, Flags [Learn, Forward], bridge-id
18b6.00:de:fb:bb:23:41.8089, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay
15.00s
root-id 18b6.00:de:fb:bb:23:41, root-pathcost 0, port-role Designated
15:58:49.239808 IP (tos 0x0, ttl 10, id 52161, offset 0, flags [none], proto
UDP (17), length 114)
10.71.231.42.34893 > 239.0.10.246.8472: [bad udp cksum 0xebd7 ->
0xf7f0!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0xc0, ttl 255, id 18810, offset 0, flags [none], proto AH (51),
length 64)
10.28.17.228 > 224.0.0.18: AH(spi=0x0a1c11e4,sumlen=16,seq=0x1497a):
vrrp 10.28.17.228 > 224.0.0.18: VRRPv2, Advertisement, vrid 51, prio 100,
authtype ah, intvl 1s, length 20, addrs: 10.28.17.254
15:58:49.934281 IP (tos 0xc0, ttl 255, id 0, offset 0, flags [none], proto
UDP (17), length 80)
10.71.231.252.1985 > 224.0.0.102.1985: [udp sum ok] HSRPv1
15:58:50.001091 IP (tos 0x0, ttl 10, id 52180, offset 0, flags [none], proto
UDP (17), length 86)
10.71.231.42.39295 > 239.0.10.246.8472: [bad udp cksum 0xd06d ->
0xfe80!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 32739, offset 0, flags [DF], proto UDP (17), length
36)
10.28.17.228.55670 > 225.0.0.50.3780: [bad udp cksum 0xfd53 -> 0x2b67!]
UDP, length 8
15:58:50.240065 IP (tos 0x0, ttl 10, id 52266, offset 0, flags [none], proto
UDP (17), length 114)
10.71.231.42.34893 > 239.0.10.246.8472: [bad udp cksum 0xebd7 ->
0xc4c7!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0xc0, ttl 255, id 18811, offset 0, flags [none], proto AH (51),
length 64)
10.28.17.228 > 224.0.0.18: AH(spi=0x0a1c11e4,sumlen=16,seq=0x1497b):
vrrp 10.28.17.228 > 224.0.0.18: VRRPv2, Advertisement, vrid 51, prio 100,
authtype ah, intvl 1s, length 20, addrs: 10.28.17.254
15:58:50.725440 IP (tos 0x0, ttl 10, id 52715, offset 0, flags [none], proto
UDP (17), length 130)
10.71.231.42.39295 > 239.0.10.246.8472: [bad udp cksum 0xd041 ->
0x0c23!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 32762, offset 0, flags [DF], proto UDP (17), length
80)
10.28.17.228.55670 > 225.0.0.50.3780: [bad udp cksum 0xfd7f -> 0x3961!]
UDP, length 52
15:58:51.157149 STP 802.1w, Rapid STP, Flags [Learn, Forward], bridge-id
18b6.00:de:fb:bb:23:41.8089, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay
15.00s
root-id 18b6.00:de:fb:bb:23:41, root-pathcost 0, port-role Designated
15:58:51.240308 IP (tos 0x0, ttl 10, id 53076, offset 0, flags [none], proto
UDP (17), length 114)
10.71.231.42.34893 > 239.0.10.246.8472: [bad udp cksum 0xebd7 ->
0xa036!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0xc0, ttl 255, id 18812, offset 0, flags [none], proto AH (51),
length 64)
10.28.17.228 > 224.0.0.18: AH(spi=0x0a1c11e4,sumlen=16,seq=0x1497c):
vrrp 10.28.17.228 > 224.0.0.18: VRRPv2, Advertisement, vrid 51, prio 100,
authtype ah, intvl 1s, length 20, addrs: 10.28.17.254
15:58:51.725634 IP (tos 0x0, ttl 10, id 53537, offset 0, flags [none], proto
UDP (17), length 86)
10.71.231.42.39295 > 239.0.10.246.8472: [bad udp cksum 0xd06d ->
0xfe7e!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 32975, offset 0, flags [DF], proto UDP (17), length
36)
10.28.17.228.55670 > 225.0.0.50.3780: [bad udp cksum 0xfd53 -> 0x2b65!]
UDP, length 8
15:58:51.963509 IP (tos 0xc0, ttl 255, id 0, offset 0, flags [none], proto
UDP (17), length 80)
10.71.231.253.1985 > 224.0.0.102.1985: [udp sum ok] HSRPv1
15:58:52.240553 IP (tos 0x0, ttl 10, id 53582, offset 0, flags [none], proto
UDP (17), length 114)
10.71.231.42.34893 > 239.0.10.246.8472: [bad udp cksum 0xebd7 ->
0xc2b9!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0xc0, ttl 255, id 18813, offset 0, flags [none], proto AH (51),
length 64)
10.28.17.228 > 224.0.0.18: AH(spi=0x0a1c11e4,sumlen=16,seq=0x1497d):
vrrp 10.28.17.228 > 224.0.0.18: VRRPv2, Advertisement, vrid 51, prio 100,
authtype ah, intvl 1s, length 20, addrs: 10.28.17.254
15:58:52.725596 IP (tos 0x0, ttl 10, id 54044, offset 0, flags [none], proto
UDP (17), length 86)
10.71.231.42.39295 > 239.0.10.246.8472: [bad udp cksum 0xd06d ->
0xfe7d!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 33041, offset 0, flags [DF], proto UDP (17), length
36)
10.28.17.228.55670 > 225.0.0.50.3780: [bad udp cksum 0xfd53 -> 0x2b64!]
UDP, length 8
15:58:52.803983 f4:03:43:00:c3:2d > 01:14:c2:44:1e:cc SNAP, oui Unknown
(0x0014c2), pid Unknown (0x0001), length 58:
0x0000: aaaa 0300 14c2 0001 0000 0000 0000 0000 ................
0x0010: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0x0030: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0x0040: 0000 ..
15:58:52.863116 IP (tos 0xc0, ttl 255, id 0, offset 0, flags [none], proto
UDP (17), length 80)
10.71.231.252.1985 > 224.0.0.102.1985: [udp sum ok] HSRPv1
15:58:53.134722 STP 802.1w, Rapid STP, Flags [Learn, Forward], bridge-id
18b6.00:de:fb:bb:23:41.8089, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay
15.00s
root-id 18b6.00:de:fb:bb:23:41, root-pathcost 0, port-role Designated
15:58:53.240808 IP (tos 0x0, ttl 10, id 54163, offset 0, flags [none], proto
UDP (17), length 114)
10.71.231.42.34893 > 239.0.10.246.8472: [bad udp cksum 0xebd7 ->
0x155a!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0xc0, ttl 255, id 18814, offset 0, flags [none], proto AH (51),
length 64)
10.28.17.228 > 224.0.0.18: AH(spi=0x0a1c11e4,sumlen=16,seq=0x1497e):
vrrp 10.28.17.228 > 224.0.0.18: VRRPv2, Advertisement, vrid 51, prio 100,
authtype ah, intvl 1s, length 20, addrs: 10.28.17.254
15:58:53.725750 IP (tos 0x0, ttl 10, id 54511, offset 0, flags [none], proto
UDP (17), length 86)
10.71.231.42.39295 > 239.0.10.246.8472: [bad udp cksum 0xd06d ->
0xfe7c!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 33070, offset 0, flags [DF], proto UDP (17), length
36)
10.28.17.228.55670 > 225.0.0.50.3780: [bad udp cksum 0xfd53 -> 0x2b63!]
UDP, length 8
15:58:54.218217 IP (tos 0x0, ttl 10, id 10739, offset 0, flags [none], proto
UDP (17), length 78)
10.71.231.42.54808 > 239.0.11.6.8472: [bad udp cksum 0xebc3 -> 0xc614!]
OTV, flags [I] (0x08), overlay 0, instance 2822
ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 10.28.21.254 tell
10.28.21.136, length 28
15:58:54.241047 IP (tos 0x0, ttl 10, id 54529, offset 0, flags [none], proto
UDP (17), length 114)
10.71.231.42.34893 > 239.0.10.246.8472: [bad udp cksum 0xebd7 ->
0x8552!] OTV, flags [I] (0x08), overlay 0, instance 2806
IP (tos 0xc0, ttl 255, id 18815, offset 0, flags [none], proto AH (51),
length 64)
10.28.17.228 > 224.0.0.18: AH(spi=0x0a1c11e4,sumlen=16,seq=0x1497f):
vrrp 10.28.17.228 > 224.0.0.18: VRRPv2, Advertisement, vrid 51, prio 100,
authtype ah, intvl 1s, length 20, addrs: 10.28.17.254
15:58:54.266456 IP (tos 0x0, ttl 10, id 39369, offset 0, flags [none], proto
UDP (17), length 78)
10.71.231.42.54808 > 239.0.11.25.8472: [bad udp cksum 0xebd6 -> 0x5574!]
OTV, flags [I] (0x08), overlay 0, instance 2841
ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 10.28.22.254 tell
10.28.22.112, length 28
^C
29 packets captured
29 packets received by filter
0 packets dropped by kernel
```
And some tcpdump on the kvm002 interface:
```
# tcpdump -i vnet8 -s0 -nn -vvv
dropped privs to tcpdump
tcpdump: listening on vnet8, link-type EN10MB (Ethernet), capture size
262144 bytes
16:34:16.483522 IP (tos 0x0, ttl 63, id 59045, offset 0, flags [DF], proto
ICMP (1), length 84)
10.28.21.93 > 10.28.22.19: ICMP echo request, id 10, seq 1, length 64
16:34:16.483856 IP (tos 0x0, ttl 64, id 12666, offset 0, flags [none], proto
ICMP (1), length 84)
10.28.22.19 > 10.28.21.93: ICMP echo reply, id 10, seq 1, length 64
16:34:17.485097 IP (tos 0x0, ttl 63, id 59455, offset 0, flags [DF], proto
ICMP (1), length 84)
10.28.21.93 > 10.28.22.19: ICMP echo request, id 10, seq 2, length 64
16:34:17.485414 IP (tos 0x0, ttl 64, id 12886, offset 0, flags [none], proto
ICMP (1), length 84)
10.28.22.19 > 10.28.21.93: ICMP echo reply, id 10, seq 2, length 64
16:34:18.486798 IP (tos 0x0, ttl 63, id 60058, offset 0, flags [DF], proto
ICMP (1), length 84)
10.28.21.93 > 10.28.22.19: ICMP echo request, id 10, seq 3, length 64
16:34:18.487142 IP (tos 0x0, ttl 64, id 12935, offset 0, flags [none], proto
ICMP (1), length 84)
10.28.22.19 > 10.28.21.93: ICMP echo reply, id 10, seq 3, length 64
^C
6 packets captured
6 packets received by filter
0 packets dropped by kernel
[root@whdckvm023 ~]# clear
[root@whdckvm023 ~]# tcpdump -i vnet8 -s0 -nn -vvv
dropped privs to tcpdump
tcpdump: listening on vnet8, link-type EN10MB (Ethernet), capture size
262144 bytes
16:35:18.138149 IP (tos 0x0, ttl 64, id 10888, offset 0, flags [DF], proto
UDP (17), length 76)
10.28.22.19.43632 > 10.25.28.25.123: [bad udp cksum 0x46aa -> 0xedc7!]
NTPv4, length 48
Client, Leap indicator: (0), Stratum 0 (unspecified), poll 7 (128s),
precision 32
Root Delay: 0.000000, Root dispersion: 0.000000, Reference-ID: (unspec)
Reference Timestamp: 0.000000000
Originator Timestamp: 0.000000000
Receive Timestamp: 0.000000000
Transmit Timestamp: 302219027.959372496 (2045/09/05 12:12:03)
Originator - Receive Timestamp: 0.000000000
Originator - Transmit Timestamp: 302219027.959372496 (2045/09/05
12:12:03)
16:35:18.139203 IP (tos 0xc0, ttl 60, id 16152, offset 0, flags [DF], proto
UDP (17), length 76)
10.25.28.25.123 > 10.28.22.19.43632: [udp sum ok] NTPv4, length 48
Server, Leap indicator: (0), Stratum 2 (secondary reference), poll 7
(128s), precision -24
Root Delay: 0.077178, Root dispersion: 0.041107, Reference-ID:
58.176.194.96
Reference Timestamp: 3902977303.263736875 (2023/09/06 16:21:43)
Originator Timestamp: 302219027.959372496 (2045/09/05 12:12:03)
Receive Timestamp: 3902978118.136953431 (2023/09/06 16:35:18)
Transmit Timestamp: 3902978118.137003673 (2023/09/06 16:35:18)
Originator - Receive Timestamp: -694208205.822419065
Originator - Transmit Timestamp: -694208205.822368822
16:35:23.342579 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.19 tell 10.28.22.254, length 28
16:35:23.342876 ARP, Ethernet (len 6), IPv4 (len 4), Reply 10.28.22.19 is-at
02:00:5c:64:00:03, length 28
16:35:23.598980 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.19, length 28
16:35:23.599291 ARP, Ethernet (len 6), IPv4 (len 4), Reply 10.28.22.254
is-at 02:00:48:ad:00:0d, length 28
16:35:53.372623 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.112 tell 10.28.22.254, length 28
16:35:54.382540 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.112 tell 10.28.22.254, length 28
16:35:55.406539 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.112 tell 10.28.22.254, length 28
16:35:56.438136 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.112 tell 10.28.22.254, length 28
16:35:57.454568 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.112 tell 10.28.22.254, length 28
16:35:58.478553 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.112 tell 10.28.22.254, length 28
16:35:59.510178 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.112 tell 10.28.22.254, length 28
16:36:00.526579 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.112 tell 10.28.22.254, length 28
^C
14 packets captured
14 packets received by filter
0 packets dropped by kernel
# tcpdump -i brvx-2841 -s0 -nn -vvv
dropped privs to tcpdump
tcpdump: listening on brvx-2841, link-type EN10MB (Ethernet), capture size
262144 bytes
16:37:53.889721 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.112 tell 10.28.22.254, length 28
16:37:54.894437 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.112 tell 10.28.22.254, length 28
16:37:55.918430 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.112 tell 10.28.22.254, length 28
16:38:19.595033 IP (tos 0x0, ttl 64, id 32230, offset 0, flags [DF], proto
UDP (17), length 76)
10.28.22.162.52808 > 10.25.28.25.123: [udp sum ok] NTPv4, length 48
Client, Leap indicator: (0), Stratum 0 (unspecified), poll 8 (256s),
precision 32
Root Delay: 0.000000, Root dispersion: 0.000000, Reference-ID: (unspec)
Reference Timestamp: 0.000000000
Originator Timestamp: 0.000000000
Receive Timestamp: 0.000000000
Transmit Timestamp: 211238355.308955056 (2042/10/18 11:47:31)
Originator - Receive Timestamp: 0.000000000
Originator - Transmit Timestamp: 211238355.308955056 (2042/10/18
11:47:31)
16:38:19.596123 IP (tos 0xc0, ttl 60, id 35783, offset 0, flags [DF], proto
UDP (17), length 76)
10.25.28.25.123 > 10.28.22.162.52808: [udp sum ok] NTPv4, length 48
Server, Leap indicator: (0), Stratum 2 (secondary reference), poll 8
(256s), precision -24
Root Delay: 0.077178, Root dispersion: 0.043823, Reference-ID:
58.176.194.96
Reference Timestamp: 3902977303.263736875 (2023/09/06 16:21:43)
Originator Timestamp: 211238355.308955056 (2042/10/18 11:47:31)
Receive Timestamp: 3902978299.593946819 (2023/09/06 16:38:19)
Transmit Timestamp: 3902978299.594040768 (2023/09/06 16:38:19)
Originator - Receive Timestamp: -603227351.715008236
Originator - Transmit Timestamp: -603227351.714914287
16:38:22.277076 IP (tos 0x0, ttl 63, id 54611, offset 0, flags [DF], proto
ICMP (1), length 84)
10.28.21.93 > 10.28.22.162: ICMP echo request, id 21, seq 1, length 64
16:38:22.277566 IP (tos 0x0, ttl 64, id 1593, offset 0, flags [none], proto
ICMP (1), length 84)
10.28.22.162 > 10.28.21.93: ICMP echo reply, id 21, seq 1, length 64
16:38:22.579158 IP (tos 0x0, ttl 64, id 50569, offset 0, flags [DF], proto
UDP (17), length 76)
10.28.22.162.45475 > 10.25.28.26.123: [udp sum ok] NTPv4, length 48
Client, Leap indicator: (0), Stratum 0 (unspecified), poll 9 (512s),
precision 32
Root Delay: 0.000000, Root dispersion: 0.000000, Reference-ID: (unspec)
Reference Timestamp: 0.000000000
Originator Timestamp: 0.000000000
Receive Timestamp: 0.000000000
Transmit Timestamp: 1713798433.225742136 (2090/05/30 05:35:29)
Originator - Receive Timestamp: 0.000000000
Originator - Transmit Timestamp: 1713798433.225742136 (2090/05/30
05:35:29)
16:38:22.580535 IP (tos 0xc0, ttl 60, id 56414, offset 0, flags [DF], proto
UDP (17), length 76)
10.25.28.26.123 > 10.28.22.162.45475: [udp sum ok] NTPv4, length 48
Server, Leap indicator: (0), Stratum 2 (secondary reference), poll 9
(512s), precision -23
Root Delay: 0.081512, Root dispersion: 0.101760, Reference-ID:
58.176.194.96
Reference Timestamp: 3902973479.155017065 (2023/09/06 15:17:59)
Originator Timestamp: 1713798433.225742136 (2090/05/30 05:35:29)
Receive Timestamp: 3902978302.582223885 (2023/09/06 16:38:22)
Transmit Timestamp: 3902978302.582322704 (2023/09/06 16:38:22)
Originator - Receive Timestamp: -2105787426.643518251
Originator - Transmit Timestamp: -2105787426.643419431
16:38:23.279047 IP (tos 0x0, ttl 63, id 54628, offset 0, flags [DF], proto
ICMP (1), length 84)
10.28.21.93 > 10.28.22.162: ICMP echo request, id 21, seq 2, length 64
16:38:23.279552 IP (tos 0x0, ttl 64, id 2395, offset 0, flags [none], proto
ICMP (1), length 84)
10.28.22.162 > 10.28.21.93: ICMP echo reply, id 21, seq 2, length 64
16:38:24.280965 IP (tos 0x0, ttl 63, id 54688, offset 0, flags [DF], proto
ICMP (1), length 84)
10.28.21.93 > 10.28.22.162: ICMP echo request, id 21, seq 3, length 64
16:38:24.281499 IP (tos 0x0, ttl 64, id 2906, offset 0, flags [none], proto
ICMP (1), length 84)
10.28.22.162 > 10.28.21.93: ICMP echo reply, id 21, seq 3, length 64
16:38:24.846398 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.162 tell 10.28.22.254, length 28
16:38:24.846920 ARP, Ethernet (len 6), IPv4 (len 4), Reply 10.28.22.162
is-at 02:00:16:c7:00:04, length 28
16:38:25.057006 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.162, length 28
16:38:25.057425 ARP, Ethernet (len 6), IPv4 (len 4), Reply 10.28.22.254
is-at 02:00:48:ad:00:0d, length 28
16:38:25.282982 IP (tos 0x0, ttl 63, id 54729, offset 0, flags [DF], proto
ICMP (1), length 84)
10.28.21.93 > 10.28.22.162: ICMP echo request, id 21, seq 4, length 64
16:38:25.283430 IP (tos 0x0, ttl 64, id 3879, offset 0, flags [none], proto
ICMP (1), length 84)
10.28.22.162 > 10.28.21.93: ICMP echo reply, id 21, seq 4, length 64
16:38:26.284118 IP (tos 0x0, ttl 63, id 54963, offset 0, flags [DF], proto
ICMP (1), length 84)
10.28.21.93 > 10.28.22.162: ICMP echo request, id 21, seq 5, length 64
16:38:26.284581 IP (tos 0x0, ttl 64, id 4790, offset 0, flags [none], proto
ICMP (1), length 84)
10.28.22.162 > 10.28.21.93: ICMP echo reply, id 21, seq 5, length 64
16:39:36.557935 IP (tos 0x0, ttl 64, id 33653, offset 0, flags [DF], proto
UDP (17), length 76)
10.28.22.19.39931 > 10.25.28.25.123: [bad udp cksum 0x46aa -> 0x47aa!]
NTPv4, length 48
Client, Leap indicator: (0), Stratum 0 (unspecified), poll 7 (128s),
precision 32
Root Delay: 0.000000, Root dispersion: 0.000000, Reference-ID: (unspec)
Reference Timestamp: 0.000000000
Originator Timestamp: 0.000000000
Receive Timestamp: 0.000000000
Transmit Timestamp: 2098731277.972322213 (2102/08/11 11:22:53)
Originator - Receive Timestamp: 0.000000000
Originator - Transmit Timestamp: 2098731277.972322213 (2102/08/11
11:22:53)
16:39:36.558870 IP (tos 0xc0, ttl 60, id 16030, offset 0, flags [DF], proto
UDP (17), length 76)
10.25.28.25.123 > 10.28.22.19.39931: [udp sum ok] NTPv4, length 48
Server, Leap indicator: (0), Stratum 2 (secondary reference), poll 7
(128s), precision -24
Root Delay: 0.077178, Root dispersion: 0.044982, Reference-ID:
58.176.194.96
Reference Timestamp: 3902977303.263736875 (2023/09/06 16:21:43)
Originator Timestamp: 2098731277.972322213 (2102/08/11 11:22:53)
Receive Timestamp: 3902978376.556784587 (2023/09/06 16:39:36)
Transmit Timestamp: 3902978376.556845303 (2023/09/06 16:39:36)
Originator - Receive Timestamp: +1804247098.584462374
Originator - Transmit Timestamp: +1804247098.584523089
16:39:41.646316 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.19 tell 10.28.22.254, length 28
16:39:41.646617 ARP, Ethernet (len 6), IPv4 (len 4), Reply 10.28.22.19 is-at
02:00:5c:64:00:03, length 28
16:39:41.647085 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.19, length 28
16:39:41.647286 ARP, Ethernet (len 6), IPv4 (len 4), Reply 10.28.22.254
is-at 02:00:48:ad:00:0d, length 28
# tcpdump -i vxlan2841 -s0 -nn -vvv
dropped privs to tcpdump
tcpdump: listening on vxlan2841, link-type EN10MB (Ethernet), capture size
262144 bytes
16:42:36.464219 ARP, Ethernet (len 6), IPv4 (len 4), Reply 10.28.22.254
is-at 02:00:48:ad:00:0d, length 28
16:42:37.096209 ARP, Ethernet (len 6), IPv4 (len 4), Reply 10.28.22.254
is-at 02:00:48:ad:00:0d, length 28
16:42:39.905279 IP (tos 0x0, ttl 64, id 14670, offset 0, flags [DF], proto
UDP (17), length 76)
10.28.22.162.51744 > 10.25.28.25.123: [udp sum ok] NTPv4, length 48
Client, Leap indicator: (0), Stratum 0 (unspecified), poll 8 (256s),
precision 32
Root Delay: 0.000000, Root dispersion: 0.000000, Reference-ID: (unspec)
Reference Timestamp: 0.000000000
Originator Timestamp: 0.000000000
Receive Timestamp: 0.000000000
Transmit Timestamp: 2444026421.230117447 (1977/06/13 16:13:41)
Originator - Receive Timestamp: 0.000000000
Originator - Transmit Timestamp: 2444026421.230117447 (1977/06/13
16:13:41)
16:42:39.906768 IP (tos 0xc0, ttl 60, id 40370, offset 0, flags [DF], proto
UDP (17), length 76)
10.25.28.25.123 > 10.28.22.162.51744: [udp sum ok] NTPv4, length 48
Server, Leap indicator: (0), Stratum 2 (secondary reference), poll 8
(256s), precision -24
Root Delay: 0.077178, Root dispersion: 0.047744, Reference-ID:
58.176.194.96
Reference Timestamp: 3902977303.263736875 (2023/09/06 16:21:43)
Originator Timestamp: 2444026421.230117447 (1977/06/13 16:13:41)
Receive Timestamp: 3902978559.904500232 (2023/09/06 16:42:39)
Transmit Timestamp: 3902978559.904608152 (2023/09/06 16:42:39)
Originator - Receive Timestamp: +1458952138.674382785
Originator - Transmit Timestamp: +1458952138.674490704
16:42:44.942246 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.162 tell 10.28.22.254, length 28
16:42:44.943162 ARP, Ethernet (len 6), IPv4 (len 4), Reply 10.28.22.162
is-at 02:00:16:c7:00:04, length 28
16:42:45.152915 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has
10.28.22.254 tell 10.28.22.162, length 28
16:42:45.153300 ARP, Ethernet (len 6), IPv4 (len 4), Reply 10.28.22.254
is-at 02:00:48:ad:00:0d, length 28
# tcpdump -i eno2.2230 -s0 -nn -vvv
dropped privs to tcpdump
tcpdump: listening on eno2.2230, link-type EN10MB (Ethernet), capture size
262144 bytes
16:44:05.401408 IP (tos 0x0, ttl 10, id 58202, offset 0, flags [none], proto
UDP (17), length 218)
10.71.231.41.42218 > 10.71.231.43.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2822
IP (tos 0x0, ttl 64, id 36442, offset 0, flags [DF], proto UDP (17), length
168)
10.28.21.129.54588 > 10.25.9.129.514: [udp sum ok] SYSLOG, length: 140
Facility daemon (3), Severity info (6)
Msg: Sep 6 16:44:05 debian251 telegraf[876]: 2023-09-06T08:44:05Z W!
[outputs.influxdb] Metric buffer overflow; 31 metrics have been dropped
0x0000: 3c33 303e 5365 7020 2036 2031 363a 3434
0x0010: 3a30 3520 6465 6269 616e 3235 3120 7465
0x0020: 6c65 6772 6166 5b38 3736 5d3a 2032 3032
0x0030: 332d 3039 2d30 3654 3038 3a34 343a 3035
0x0040: 5a20 5721 205b 6f75 7470 7574 732e 696e
0x0050: 666c 7578 6462 5d20 4d65 7472 6963 2062
0x0060: 7566 6665 7220 6f76 6572 666c 6f77 3b20
0x0070: 3331 206d 6574 7269 6373 2068 6176 6520
0x0080: 6265 656e 2064 726f 7070 6564
16:44:05.401463 IP (tos 0x0, ttl 10, id 58203, offset 0, flags [none], proto
UDP (17), length 218)
10.71.231.41.58684 > 10.71.231.43.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2822
IP (tos 0x0, ttl 64, id 29245, offset 0, flags [DF], proto UDP (17), length
168)
10.28.21.129.37321 > 10.26.0.17.51554: [udp sum ok] UDP, length 140
16:44:05.401473 IP (tos 0x0, ttl 10, id 58204, offset 0, flags [none], proto
UDP (17), length 325)
10.71.231.41.42218 > 10.71.231.43.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2822
IP (tos 0x0, ttl 64, id 36443, offset 0, flags [DF], proto UDP (17), length
275)
10.28.21.129.54588 > 10.25.9.129.514: [udp sum ok] SYSLOG, length: 247
Facility daemon (3), Severity info (6)
Msg: Sep 6 16:44:05 debian251 telegraf[876]: 2023-09-06T08:44:05Z E!
[outputs.influxdb] When writing to [http://localhost:8086]: failed doing req:
Post "http://localhost:8086/write?db=telegraf": dial tcp 127.0.0.1:8086:
connect: connection refused
0x0000: 3c33 303e 5365 7020 2036 2031 363a 3434
0x0010: 3a30 3520 6465 6269 616e 3235 3120 7465
0x0020: 6c65 6772 6166 5b38 3736 5d3a 2032 3032
0x0030: 332d 3039 2d30 3654 3038 3a34 343a 3035
0x0040: 5a20 4521 205b 6f75 7470 7574 732e 696e
0x0050: 666c 7578 6462 5d20 5768 656e 2077 7269
0x0060: 7469 6e67 2074 6f20 5b68 7474 703a 2f2f
0x0070: 6c6f 6361 6c68 6f73 743a 3830 3836 5d3a
0x0080: 2066 6169 6c65 6420 646f 696e 6720 7265
0x0090: 713a 2050 6f73 7420 2268 7474 703a 2f2f
0x00a0: 6c6f 6361 6c68 6f73 743a 3830 3836 2f77
0x00b0: 7269 7465 3f64 623d 7465 6c65 6772 6166
0x00c0: 223a 2064 6961 6c20 7463 7020 3132 372e
0x00d0: 302e 302e 313a 3830 3836 3a20 636f 6e6e
0x00e0: 6563 743a 2063 6f6e 6e65 6374 696f 6e20
0x00f0: 7265 6675 7365 64
16:44:05.401480 IP (tos 0x0, ttl 10, id 58205, offset 0, flags [none], proto
UDP (17), length 217)
10.71.231.41.42218 > 10.71.231.43.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2822
IP (tos 0x0, ttl 64, id 36444, offset 0, flags [DF], proto UDP (17), length
167)
10.28.21.129.54588 > 10.25.9.129.514: [udp sum ok] SYSLOG, length: 139
Facility daemon (3), Severity info (6)
Msg: Sep 6 16:44:05 debian251 telegraf[876]: 2023-09-06T08:44:05Z E!
[agent] Error writing to outputs.influxdb: could not write any address
0x0000: 3c33 303e 5365 7020 2036 2031 363a 3434
0x0010: 3a30 3520 6465 6269 616e 3235 3120 7465
0x0020: 6c65 6772 6166 5b38 3736 5d3a 2032 3032
0x0030: 332d 3039 2d30 3654 3038 3a34 343a 3035
0x0040: 5a20 4521 205b 6167 656e 745d 2045 7272
0x0050: 6f72 2077 7269 7469 6e67 2074 6f20 6f75
0x0060: 7470 7574 732e 696e 666c 7578 6462 3a20
0x0070: 636f 756c 6420 6e6f 7420 7772 6974 6520
0x0080: 616e 7920 6164 6472 6573 73
16:44:05.401487 IP (tos 0x0, ttl 10, id 58206, offset 0, flags [none], proto
UDP (17), length 325)
10.71.231.41.58684 > 10.71.231.43.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2822
IP (tos 0x0, ttl 64, id 29246, offset 0, flags [DF], proto UDP (17), length
275)
10.28.21.129.37321 > 10.26.0.17.51554: [udp sum ok] UDP, length 247
16:44:05.401494 IP (tos 0x0, ttl 10, id 58207, offset 0, flags [none], proto
UDP (17), length 217)
10.71.231.41.58684 > 10.71.231.43.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2822
IP (tos 0x0, ttl 64, id 29247, offset 0, flags [DF], proto UDP (17), length
167)
10.28.21.129.37321 > 10.26.0.17.51554: [udp sum ok] UDP, length 139
16:44:05.441905 IP (tos 0x0, ttl 10, id 52761, offset 0, flags [none], proto
UDP (17), length 218)
10.71.231.43.59462 > 10.71.231.41.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 64, id 27703, offset 0, flags [DF], proto UDP (17), length
168)
10.28.17.112.47487 > 10.25.9.129.514: [udp sum ok] SYSLOG, length: 140
Facility daemon (3), Severity info (6)
Msg: Sep 6 16:44:05 tecent231 telegraf[865]: 2023-09-06T08:44:05Z W!
[outputs.influxdb] Metric buffer overflow; 31 metrics have been dropped
0x0000: 3c33 303e 5365 7020 2036 2031 363a 3434
0x0010: 3a30 3520 7465 6365 6e74 3233 3120 7465
0x0020: 6c65 6772 6166 5b38 3635 5d3a 2032 3032
0x0030: 332d 3039 2d30 3654 3038 3a34 343a 3035
0x0040: 5a20 5721 205b 6f75 7470 7574 732e 696e
0x0050: 666c 7578 6462 5d20 4d65 7472 6963 2062
0x0060: 7566 6665 7220 6f76 6572 666c 6f77 3b20
0x0070: 3331 206d 6574 7269 6373 2068 6176 6520
0x0080: 6265 656e 2064 726f 7070 6564
16:44:05.441990 IP (tos 0x0, ttl 10, id 52762, offset 0, flags [none], proto
UDP (17), length 218)
10.71.231.43.57866 > 10.71.231.41.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 64, id 64966, offset 0, flags [DF], proto UDP (17), length
168)
10.28.17.112.51029 > 10.26.0.17.51554: [udp sum ok] UDP, length 140
16:44:05.442093 IP (tos 0x0, ttl 10, id 52763, offset 0, flags [none], proto
UDP (17), length 325)
10.71.231.43.59462 > 10.71.231.41.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 64, id 27704, offset 0, flags [DF], proto UDP (17), length
275)
10.28.17.112.47487 > 10.25.9.129.514: [udp sum ok] SYSLOG, length: 247
Facility daemon (3), Severity info (6)
Msg: Sep 6 16:44:05 tecent231 telegraf[865]: 2023-09-06T08:44:05Z E!
[outputs.influxdb] When writing to [http://localhost:8086]: failed doing req:
Post "http://localhost:8086/write?db=telegraf": dial tcp 127.0.0.1:8086:
connect: connection refused
0x0000: 3c33 303e 5365 7020 2036 2031 363a 3434
0x0010: 3a30 3520 7465 6365 6e74 3233 3120 7465
0x0020: 6c65 6772 6166 5b38 3635 5d3a 2032 3032
0x0030: 332d 3039 2d30 3654 3038 3a34 343a 3035
0x0040: 5a20 4521 205b 6f75 7470 7574 732e 696e
0x0050: 666c 7578 6462 5d20 5768 656e 2077 7269
0x0060: 7469 6e67 2074 6f20 5b68 7474 703a 2f2f
0x0070: 6c6f 6361 6c68 6f73 743a 3830 3836 5d3a
0x0080: 2066 6169 6c65 6420 646f 696e 6720 7265
0x0090: 713a 2050 6f73 7420 2268 7474 703a 2f2f
0x00a0: 6c6f 6361 6c68 6f73 743a 3830 3836 2f77
0x00b0: 7269 7465 3f64 623d 7465 6c65 6772 6166
0x00c0: 223a 2064 6961 6c20 7463 7020 3132 372e
0x00d0: 302e 302e 313a 3830 3836 3a20 636f 6e6e
0x00e0: 6563 743a 2063 6f6e 6e65 6374 696f 6e20
0x00f0: 7265 6675 7365 64
16:44:05.442117 IP (tos 0x0, ttl 10, id 52764, offset 0, flags [none], proto
UDP (17), length 217)
10.71.231.43.59462 > 10.71.231.41.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 64, id 27705, offset 0, flags [DF], proto UDP (17), length
167)
10.28.17.112.47487 > 10.25.9.129.514: [udp sum ok] SYSLOG, length: 139
Facility daemon (3), Severity info (6)
Msg: Sep 6 16:44:05 tecent231 telegraf[865]: 2023-09-06T08:44:05Z E!
[agent] Error writing to outputs.influxdb: could not write any address
0x0000: 3c33 303e 5365 7020 2036 2031 363a 3434
0x0010: 3a30 3520 7465 6365 6e74 3233 3120 7465
0x0020: 6c65 6772 6166 5b38 3635 5d3a 2032 3032
0x0030: 332d 3039 2d30 3654 3038 3a34 343a 3035
0x0040: 5a20 4521 205b 6167 656e 745d 2045 7272
0x0050: 6f72 2077 7269 7469 6e67 2074 6f20 6f75
0x0060: 7470 7574 732e 696e 666c 7578 6462 3a20
0x0070: 636f 756c 6420 6e6f 7420 7772 6974 6520
0x0080: 616e 7920 6164 6472 6573 73
16:44:05.442154 IP (tos 0x0, ttl 10, id 52765, offset 0, flags [none], proto
UDP (17), length 325)
10.71.231.43.57866 > 10.71.231.41.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 64, id 64967, offset 0, flags [DF], proto UDP (17), length
275)
10.28.17.112.51029 > 10.26.0.17.51554: [udp sum ok] UDP, length 247
16:44:05.442169 IP (tos 0x0, ttl 10, id 52766, offset 0, flags [none], proto
UDP (17), length 217)
10.71.231.43.57866 > 10.71.231.41.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 64, id 64968, offset 0, flags [DF], proto UDP (17), length
167)
10.28.17.112.51029 > 10.26.0.17.51554: [udp sum ok] UDP, length 139
16:44:05.706511 IP (tos 0x0, ttl 10, id 19970, offset 0, flags [none], proto
UDP (17), length 114)
10.71.231.41.39171 > 239.0.10.246.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0xc0, ttl 255, id 21784, offset 0, flags [none], proto AH (51),
length 64)
10.28.17.43 > 224.0.0.18: AH(spi=0x0a1c112b,sumlen=16,seq=0x15518): vrrp
10.28.17.43 > 224.0.0.18: VRRPv2, Advertisement, vrid 51, prio 100, authtype
ah, intvl 1s, length 20, addrs: 10.28.17.254
16:44:05.986196 2c:27:d7:16:38:59 > 01:14:c2:44:1e:cc SNAP, oui Unknown
(0x0014c2), pid Unknown (0x0001), length 58:
0x0000: aaaa 0300 14c2 0001 0000 0000 0000 0000 ................
0x0010: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0x0020: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0x0030: 0000 0000 0000 0000 0000 0000 0000 0000 ................
0x0040: 0000 ..
16:44:06.123473 IP (tos 0x0, ttl 10, id 20101, offset 0, flags [none], proto
UDP (17), length 86)
10.71.231.41.46358 > 239.0.10.246.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 43471, offset 0, flags [DF], proto UDP (17), length
36)
10.28.17.43.48787 > 225.0.0.50.3780: [udp sum ok] UDP, length 8
16:44:06.328271 IP (tos 0x0, ttl 10, id 59058, offset 0, flags [none], proto
UDP (17), length 78)
10.71.231.41.50771 > 10.71.231.43.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 10.28.17.112 tell
10.28.17.43, length 28
16:44:06.328705 IP (tos 0x0, ttl 10, id 53202, offset 0, flags [none], proto
UDP (17), length 78)
10.71.231.43.34259 > 10.71.231.41.8472: [bad udp cksum 0xe32e ->
0x1def!] OTV, flags [I] (0x08), overlay 0, instance 2806
ARP, Ethernet (len 6), IPv4 (len 4), Reply 10.28.17.112 is-at
02:00:57:59:00:04, length 28
16:44:06.347588 IP (tos 0xc0, ttl 255, id 0, offset 0, flags [none], proto
UDP (17), length 80)
10.71.231.252.1985 > 224.0.0.102.1985: [udp sum ok] HSRPv1
16:44:06.514486 IP (tos 0x0, ttl 10, id 20241, offset 0, flags [none], proto
UDP (17), length 138)
10.71.231.41.46358 > 239.0.10.246.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 43524, offset 0, flags [DF], proto UDP (17), length
88)
10.28.17.43.48787 > 225.0.0.50.3780: [udp sum ok] UDP, length 60
16:44:06.514842 IP (tos 0x0, ttl 10, id 20242, offset 0, flags [none], proto
UDP (17), length 138)
10.71.231.41.46358 > 239.0.10.246.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 43525, offset 0, flags [DF], proto UDP (17), length
88)
10.28.17.43.48787 > 225.0.0.50.3780: [udp sum ok] UDP, length 60
16:44:06.536383 STP 802.1w, Rapid STP, Flags [Learn, Forward], bridge-id
28b6.00:de:fb:bb:15:c1.80a1, length 42
message-age 1.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay
15.00s
root-id 18b6.00:de:fb:bb:23:41, root-pathcost 1, port-role Designated
16:44:06.706761 IP (tos 0x0, ttl 10, id 20369, offset 0, flags [none], proto
UDP (17), length 114)
10.71.231.41.39171 > 239.0.10.246.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0xc0, ttl 255, id 21785, offset 0, flags [none], proto AH (51),
length 64)
10.28.17.43 > 224.0.0.18: AH(spi=0x0a1c112b,sumlen=16,seq=0x15519): vrrp
10.28.17.43 > 224.0.0.18: VRRPv2, Advertisement, vrid 51, prio 100, authtype
ah, intvl 1s, length 20, addrs: 10.28.17.254
16:44:07.515059 IP (tos 0x0, ttl 10, id 20833, offset 0, flags [none], proto
UDP (17), length 86)
10.71.231.41.46358 > 239.0.10.246.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 43762, offset 0, flags [DF], proto UDP (17), length
36)
10.28.17.43.48787 > 225.0.0.50.3780: [udp sum ok] UDP, length 8
16:44:07.544605 IP (tos 0xc0, ttl 255, id 0, offset 0, flags [none], proto
UDP (17), length 80)
10.71.231.253.1985 > 224.0.0.102.1985: [udp sum ok] HSRPv1
16:44:07.706989 IP (tos 0x0, ttl 10, id 20946, offset 0, flags [none], proto
UDP (17), length 114)
10.71.231.41.39171 > 239.0.10.246.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0xc0, ttl 255, id 21786, offset 0, flags [none], proto AH (51),
length 64)
10.28.17.43 > 224.0.0.18: AH(spi=0x0a1c112b,sumlen=16,seq=0x1551a): vrrp
10.28.17.43 > 224.0.0.18: VRRPv2, Advertisement, vrid 51, prio 100, authtype
ah, intvl 1s, length 20, addrs: 10.28.17.254
16:44:08.515227 IP (tos 0x0, ttl 10, id 21504, offset 0, flags [none], proto
UDP (17), length 86)
10.71.231.41.46358 > 239.0.10.246.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0x0, ttl 1, id 43921, offset 0, flags [DF], proto UDP (17), length
36)
10.28.17.43.48787 > 225.0.0.50.3780: [udp sum ok] UDP, length 8
16:44:08.561422 STP 802.1w, Rapid STP, Flags [Learn, Forward], bridge-id
28b6.00:de:fb:bb:15:c1.80a1, length 42
message-age 1.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay
15.00s
root-id 18b6.00:de:fb:bb:23:41, root-pathcost 1, port-role Designated
16:44:08.707216 IP (tos 0x0, ttl 10, id 21664, offset 0, flags [none], proto
UDP (17), length 114)
10.71.231.41.39171 > 239.0.10.246.8472: [udp sum ok] OTV, flags [I]
(0x08), overlay 0, instance 2806
IP (tos 0xc0, ttl 255, id 21787, offset 0, flags [none], proto AH (51),
length 64)
10.28.17.43 > 224.0.0.18: AH(spi=0x0a1c112b,sumlen=16,seq=0x1551b): vrrp
10.28.17.43 > 224.0.0.18: VRRPv2, Advertisement, vrid 51, prio 100, authtype
ah, intvl 1s, length 20, addrs: 10.28.17.254
^C
28 packets captured
28 packets received by filter
0 packets dropped by kernel
```
Any idears?
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