MilanHofmann commented on issue #7185:
URL: https://github.com/apache/cloudstack/issues/7185#issuecomment-1436081349
@weizhouapache
I have changed the config to the following:
`
default via 192.168.64.1 dev eth2
8.8.8.8 via 192.168.48.1 dev eth1
18.184.181.49 via 192.168.48.1 dev eth1
169.254.0.0/16 dev eth0 proto kernel scope link src 169.254.181.44
172.31.16.0/20 via 192.168.48.1 dev eth1
192.168.48.0/20 dev eth1 proto kernel scope link src 192.168.48.8
192.168.64.0/20 dev eth2 proto kernel scope link src 192.168.64.2
root@s-41-VM:~# ping 172.31.59.115
`
while my guest VM xml has the following interfaces:
`
<interface type='bridge'>
<mac address='0e:00:a9:fe:b5:2c'/>
<source bridge='cloud0'/>
<target dev='vnet0'/>
<model type='virtio'/>
<link state='up'/>
<alias name='net0'/>
<rom bar='off' file=''/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03'
function='0x0'/>
</interface>
<interface type='bridge'>
<mac address='1e:00:73:00:00:fa'/>
<source bridge='cloudbr0'/>
<target dev='vnet1'/>
<model type='virtio'/>
<link state='up'/>
<alias name='net1'/>
<rom bar='off' file=''/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04'
function='0x0'/>
</interface>
<interface type='bridge'>
<mac address='1e:00:f8:00:00:01'/>
<source bridge='brenp125s0-300'/>
<target dev='vnet2'/>
<model type='virtio'/>
<link state='up'/>
<alias name='net2'/>
<rom bar='off' file=''/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05'
function='0x0'/>
`
while ip a on the host gives:
`
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: enp125s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master
cloudbr0 state UP group default qlen 1000
link/ether 0e:3e:89:a4:0c:8d brd ff:ff:ff:ff:ff:ff
3: cloudbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9001 qdisc noqueue state
UP group default qlen 1000
link/ether 0e:3e:89:a4:0c:8d brd ff:ff:ff:ff:ff:ff
inet 172.31.59.115/20 metric 100 brd 172.31.63.255 scope global dynamic
cloudbr0
valid_lft 2520sec preferred_lft 2520sec
inet6 fe80::c3e:89ff:fea4:c8d/64 scope link
valid_lft forever preferred_lft forever
4: cloudbr1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UP group default qlen 1000
link/ether 0e:3e:89:a4:0c:8d brd ff:ff:ff:ff:ff:ff
inet6 fe80::c3e:89ff:fea4:c8d/64 scope link
valid_lft forever preferred_lft forever
5: enp125s0.200@enp125s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
noqueue master cloudbr1 state UP group default qlen 1000
link/ether 0e:3e:89:a4:0c:8d brd ff:ff:ff:ff:ff:ff
6: cloud0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
group default qlen 1000
link/ether be:b0:07:02:d5:83 brd ff:ff:ff:ff:ff:ff
inet 169.254.0.1/16 scope global cloud0
valid_lft forever preferred_lft forever
inet6 fe80::bcb0:7ff:fe02:d583/64 scope link
valid_lft forever preferred_lft forever
23: enp125s0.300@enp125s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
noqueue master brenp125s0-300 state UP group default qlen 1000
link/ether 0e:3e:89:a4:0c:8d brd ff:ff:ff:ff:ff:ff
24: brenp125s0-300: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
state UP group default qlen 1000
link/ether 6a:5f:36:17:42:ec brd ff:ff:ff:ff:ff:ff
25: vnet0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master
cloud0 state UNKNOWN group default qlen 1000
link/ether fe:00:a9:fe:b5:2c brd ff:ff:ff:ff:ff:ff
inet6 fe80::fc00:a9ff:fefe:b52c/64 scope link
valid_lft forever preferred_lft forever
26: vnet1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9001 qdisc noqueue master
cloudbr0 state UNKNOWN group default qlen 1000
link/ether fe:00:73:00:00:fa brd ff:ff:ff:ff:ff:ff
inet6 fe80::fc00:73ff:fe00:fa/64 scope link
valid_lft forever preferred_lft forever
27: vnet2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master
brenp125s0-300 state UNKNOWN group default qlen 1000
link/ether fe:00:f8:00:00:01 brd ff:ff:ff:ff:ff:ff
inet6 fe80::fc00:f8ff:fe00:1/64 scope link
valid_lft forever preferred_lft forever
28: vnet3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master
cloud0 state UNKNOWN group default qlen 1000
link/ether fe:00:a9:fe:fd:fd brd ff:ff:ff:ff:ff:ff
inet6 fe80::fc00:a9ff:fefe:fdfd/64 scope link
valid_lft forever preferred_lft forever
29: vnet4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9001 qdisc noqueue master
cloudbr0 state UNKNOWN group default qlen 1000
link/ether fe:00:83:00:01:cd brd ff:ff:ff:ff:ff:ff
inet6 fe80::fc00:83ff:fe00:1cd/64 scope link
valid_lft forever preferred_lft forever
30: vnet5: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master
brenp125s0-300 state UNKNOWN group default qlen 1000
link/ether fe:00:96:00:00:02 brd ff:ff:ff:ff:ff:ff
inet6 fe80::fc00:96ff:fe00:2/64 scope link
valid_lft forever preferred_lft forever
`
while the hosts ip routes are:
`
default via 172.31.48.1 dev cloudbr0 proto dhcp src 172.31.59.115 metric 100
169.254.0.0/16 dev cloud0 proto kernel scope link src 169.254.0.1
172.31.0.2 via 172.31.48.1 dev cloudbr0 proto dhcp src 172.31.59.115 metric
100
172.31.48.0/20 dev cloudbr0 proto kernel scope link src 172.31.59.115 metric
100
172.31.48.1 dev cloudbr0 proto dhcp scope link src 172.31.59.115 metric 100
`
netplan on host:
`
network:
version: 2
renderer: networkd
ethernets:
enp125s0:
match:
macaddress: 0e:3e:89:a4:0c:8d
vlans:
enp125s0.200:
id: 200
link: enp125s0
bridges:
cloudbr0:
dhcp4: true
macaddress: 0e:3e:89:a4:0c:8d
interfaces:
- enp125s0
routes:
- to: 0.0.0.0/0
via: 192.168.42.1/20
on-link: true
nameservers:
search: [ invalid ]
addresses:
- 8.8.8.8
- 8.8.4.4
cloudbr1:
dhcp4: true
macaddress: 0e:3e:89:a4:0c:8d
interfaces:
- enp125s0.200
`
Please let me know what you mean, by "valid gateway".
Or can you tell by looking at my config if it is not valid?
It's just strange because the vm is only reachable via cloud0-bridge.
What did I misconfigure with cloudbr0?
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