Hey all,
i built following environment:
both hosts:
Operating System: CentOS Linux 7 (Core)
Kernel: Linux 3.10.0-862.6.3.el7.x86_64
Architecture: x86-64
ovs-host 1 with the local ip of 10.1.247.123
2 physical ports: eth0 and eth1
-eth0 is connected to an ip-network (network is in a vlan) with connectivity to
the internet (isp)
-eth1 is connected to a switch and on this switch there is a device (centos7)
machine
i installed ovs version 2.9.2 on the host to use vxlan tunneling over the
isp-network
host1 interfaces:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP
group default qlen 1000
link/ether 70:71:bc:62:d6:38 brd ff:ff:ff:ff:ff:ff
inet 10.1.247.117/24 brd 10.1.247.255 scope global dynamic eth0
valid_lft 1192219sec preferred_lft 1192219sec
inet6 fe80::7271:bcff:fe62:d638/64 scope link
valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master ovs-system
state UP group
default qlen 1000
link/ether 00:10:18:2b:a7:90 brd ff:ff:ff:ff:ff:ff
inet6 fe80::210:18ff:fe2b:a790/64 scope link
valid_lft forever preferred_lft forever
4: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group
default qlen 1000
link/ether ea:ec:ff:79:00:8f brd ff:ff:ff:ff:ff:ff
5: bridge1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN group default
qlen 1000
link/ether 00:10:18:2b:a7:90 brd ff:ff:ff:ff:ff:ff
inet 192.168.0.35/24 brd 192.168.0.255 scope global bridge1
valid_lft forever preferred_lft forever
inet6 fe80::210:18ff:fe2b:a790/64 scope link
valid_lft forever preferred_lft forever
6: vxlan_sys_4789: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 65000 qdisc noqueue
master ovs-system
state UNKNOWN group default qlen 1000
link/ether 46:ce:7a:80:34:e9 brd ff:ff:ff:ff:ff:ff
inet6 fe80::44ce:7aff:fe80:34e9/64 scope link
valid_lft forever preferred_lft forever
host 1 ovs-output:
# ovs-vsctl show
15b312e1-50d3-4670-9783-2ff89dd7645e
Bridge "bridge1"
Port "eth1"
Interface "eth1"
Port "bridge1"
Interface "bridge1"
type: internal
Port "vxlan0"
Interface "vxlan0"
type: vxlan
options: {local_ip="10.1.247.117", remote_ip="10.1.247.123"}
ovs_version: "2.9.2"
this setup is mirrored to the other side of the isp-network
host2 interface:
# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group
default qlen 1000
link/ether 00:1a:64:20:5f:b5 brd ff:ff:ff:ff:ff:ff
inet 10.1.247.123/24 brd 10.1.247.255 scope global dynamic eth0
valid_lft 1191064sec preferred_lft 1191064sec
inet6 fe80::21a:64ff:fe20:5fb5/64 scope link
valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master ovs-system
state UP group
default qlen 1000
link/ether 00:1a:64:20:5f:b6 brd ff:ff:ff:ff:ff:ff
inet6 fe80::21a:64ff:fe20:5fb6/64 scope link
valid_lft forever preferred_lft forever
4: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default
qlen 1000
link/ether 90:e2:ba:49:1c:cc brd ff:ff:ff:ff:ff:ff
5: eth3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default
qlen 1000
link/ether 90:e2:ba:49:1c:cd brd ff:ff:ff:ff:ff:ff
6: eth4: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default
qlen 1000
link/ether 90:e2:ba:49:1c:ce brd ff:ff:ff:ff:ff:ff
7: eth5: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default
qlen 1000
link/ether 90:e2:ba:49:1c:cf brd ff:ff:ff:ff:ff:ff
8: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group
default qlen 1000
link/ether 12:ea:06:d9:3b:de brd ff:ff:ff:ff:ff:ff
9: bridge1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UNKNOWN group default
qlen 1000
link/ether 00:1a:64:20:5f:b6 brd ff:ff:ff:ff:ff:ff
inet 192.168.0.1/24 brd 192.168.0.255 scope global bridge1
valid_lft forever preferred_lft forever
inet6 fe80::21a:64ff:fe20:5fb6/64 scope link
valid_lft forever preferred_lft forever
11: vxlan_sys_4789: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 65000 qdisc noqueue
master ovs-system
state UNKNOWN group default qlen 1000
link/ether 5e:38:af:9a:f4:e2 brd ff:ff:ff:ff:ff:ff
inet6 fe80::5c38:afff:fe9a:f4e2/64 scope link
valid_lft forever preferred_lft forever
host2 ovs output:
# ovs-vsctl show
da282d04-5f50-43c5-89c4-19a7db4e99f7
Bridge "bridge1"
Port "vxlan0"
Interface "vxlan0"
type: vxlan
options: {local_ip="10.1.247.123", remote_ip="10.1.247.117"}
Port "eth1"
Interface "eth1"
Port "bridge1"
Interface "bridge1"
type: internal
ovs_version: "2.9.2"
the issue:
connectivity between host1 and host 2 via the ip network is given:
PING 10.1.247.123 (10.1.247.123) 56(84) bytes of data.
64 bytes from 10.1.247.123: icmp_seq=1 ttl=64 time=0.285 ms
64 bytes from 10.1.247.123: icmp_seq=2 ttl=64 time=0.236 ms
64 bytes from 10.1.247.123: icmp_seq=3 ttl=64 time=0.234 ms
PING 10.1.247.117 (10.1.247.117) 56(84) bytes of data.
64 bytes from 10.1.247.117: icmp_seq=1 ttl=64 time=0.294 ms
64 bytes from 10.1.247.117: icmp_seq=2 ttl=64 time=0.244 ms
64 bytes from 10.1.247.117: icmp_seq=3 ttl=64 time=0.247 ms
also the connectivity from the bridge to the switch and the device connected to
the switch is given on each side:
PING 192.168.0.22 (192.168.0.22) 56(84) bytes of data.
64 bytes from 192.168.0.22: icmp_seq=1 ttl=64 time=1.06 ms
64 bytes from 192.168.0.22: icmp_seq=2 ttl=64 time=0.214 ms
64 bytes from 192.168.0.22: icmp_seq=3 ttl=64 time=0.217 ms
PING 192.168.0.40 (192.168.0.40) 56(84) bytes of data.
64 bytes from 192.168.0.40: icmp_seq=1 ttl=64 time=0.344 ms
64 bytes from 192.168.0.40: icmp_seq=2 ttl=64 time=0.168 ms
64 bytes from 192.168.0.40: icmp_seq=3 ttl=64 time=0.162 ms
so basically i created 2 seperate vlan's , but somehow i cant connect them into
one vxlan , because if i try to reach any interface / device on the other side
of the isp-network, the packets just get lost / network is unreachable
can anyone help me with this issue becaue i really don't know what to try
anymore !
thanks in advance
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