[SOLVED] Proxmox Host Destination Unreachable

[typkrft]

Not really sure whats going on here.

My node's ip 10.0.10.87. It is VLAN 10 on my network. There are no firewall rules, intervlan traffic is allowed.

The correct ethernet port is being used on my node.

/etc/network/interfaces

auto lo
iface lo inet loopback

iface enp2s0 inet manual

iface enp3s0 inet manual

auto vmbr0
iface vmbr0 inet static
    address 10.0.10.87/24
    gateway 10.0.10.1
    bridge-ports enp3s0
    bridge-stp off
    bridge-fd 0
    bridge-vlan-aware yes
    bridge-vids 2-4094
   
iface wlp4s0 inet manual

source /etc/network/interfaces.d/*

/etc/hosts

127.0.0.1 localhost.localdomain localhost
10.0.10.87 pve-0.local pve-0

ip a

#...
3: enp3s0: <BROADCAST, MULTICAST, UP, LOWER_UP> mtu 1500 qdisc pfifo_fast master vmbr0 state UP group default qlen 1000
    link/ether MY_MAC_ADDRESS brd ff:ff:ff:ff:ff:ff
#...
5: vmbr0: <BROADCAST, MULTICAST, UP, LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
   inet 10.0.10.87/24 scope global vmbr0
        valid_lft forever preferred_lft forever
    # inet6 ...

Other devices on this vlan are able to ping 10.0.10.1 and 1.1.1.1.

 

[typkrft]

Turns out you need to create a tagged bridge on the vlan you want to manage your device with.

Changing /etc/network/interfaces to this worked

auto lo
iface lo inet loopback

iface enp2s0 inet manual

iface enp3s0 inet manual

auto vmbr0
iface vmbr0 inet static
    bridge-ports enp3s0
    bridge-stp off
    bridge-fd 0
    bridge-vlan-aware yes
    bridge-vids 2-4094
 
auto vmbr0.10
iface vmbr0.10 inet static
    address 10.0.10.87/24
    gateway 10.0.10.1

iface wlp4s0 inet manual

source /etc/network/interfaces.d/*

The behavior is probably a networking skill issue. But it was confusing to me as you don't need a tagged bridge if you stay on the default LAN. So it worked "off" the vlan, but not on. Going to see if I can find the documentation on this.