[PVE-User] Problem With Bond & VLANs - Help Please

proxmox at elchaka.de proxmox at elchaka.de
Fri Aug 16 13:26:32 CEST 2024


Hi perhaps another typo here, but

You have following Interfaces 
eno1 
eno2 
eno3

But you wrote in your config file

nic1 
nic2 
nic3

That cant work ;)

Hth
Mehmet

Am 16. August 2024 12:42:46 MESZ schrieb duluxoz <duluxoz at gmail.com>:
>Hi Stephan,
>
>My apologises, I should have been more precise.
>
>What doesn't work? Most of the ifaces are down (won't come up automatically as I expect (not even NIC3)), and so I have no connectivity to the LAN, let alone the rest of the outside world.
>
>Yes, each VLAN should have its own gateway - each VLAN is its own subnet, of course.
>
>Results of `ip r`:
>
>~~~
>default via 10.0.200.1 dev vmbr0 proto kernal onlink linkdown
>10.0.100.0/24 dev bond0.100 proto kernal scope link src 10.0.100.0 linkdown
>10.0.200.0/24 dev bond0.200 proto kernal scope link src 10.0.200.0 linkdown
>10.0.200.0/24 dev vmbr0 proto kernal scope link src 10.0.200.100 linkdown
>~~~
>
>Results of `ip a`:
>
>~~~
>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 noprefixroute
>    valid_lft forever preferred_lft forever
>2: eno0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
>  link/ether 00:1b:21:e4:a6:f4 brd ff:ff:ff:ff:ff:ff
>3: eno1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
>  link/ether 00:1b:21:e4:a6:f5 brd ff:ff:ff:ff:ff:ff
>4: eno2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
>  link/ether 00:1b:21:e4:a6:f6 brd ff:ff:ff:ff:ff:ff
>5: bond0: <NO-CARRIER,BROADCAST,MULTICAST,MASTER,UP> mtu 1500 qdisc noqueue master vmbr0 state DOWN group default qlen 1000
>  link/ether 4a:3a:67:59:ac:d3 brd ff:ff:ff:ff:ff:ff
>6: bond0.100 at bond0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state LOWERLAYERDOWN group default qlen 1000
>  link/ether 4a:3a:67:59:ac:d3 brd ff:ff:ff:ff:ff:ff
>  inet 10.0.100.0/24 scope global bond0.100
>    valid_lft forever preferred_lft forever
>7: bond0.200 at bond0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state LOWERLAYERDOWN group default qlen 1000
>  link/ether 4a:3a:67:59:ac:d3 brd ff:ff:ff:ff:ff:ff
>  inet 10.0.200.0/24 scope global bond0.200
>    valid_lft forever preferred_lft forever
>8: vmbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
>  link/ether 4a:3a:67:59:ac:d3 brd ff:ff:ff:ff:ff:ff
>  inet 10.0.200.100/24 scope global vmbr0
>    valid_lft forever preferred_lft forever
>~~~
>
>Thanks for taking a look
>
>Cheers
>
>dulux-oz
>
>
>On 16/8/24 19:53, Stefan Hanreich wrote:
>> 
>> On 8/16/24 09:36, duluxoz wrote:
>>> Hi All,
>>> 
>>> Disclaimer: I'm coming from an EL background - this is my first venture
>>> into Debian-world  :-)
>>> 
>>> So I'm having an issue getting the NICs, Bond, and VLANs correctly
>>> configured on a new Proxmox Node (Old oVirt Node). This worked on the
>>> old oVirt config (abit a different set of config files/statements).
>>> 
>>> What I'm trying to achieve:
>>> 
>>>   * Proxmox Node IP Address: 10.0.200.100/24, Tag:VLAN 200
>>>   * Gateway: 10.0.200.1
>>>   * Bond: NIC1 (eno0) & NIC2 (eno1), 802.3ad
>>>   * VLAN bond0.100: 10.0.100.0/24, Gateway 10.0.100.1
>>>   * VLAN bond0.200: 10.0.200.0/24, Gateway 10.0.200.1
>>>   * NIC3 (eno2): 10.0.300.100/24 - not really relevant, as its not part
>>>     of the Bond, but I've included it to be thorough
>> What *exactly* doesn't work?
>> Does the configuration not apply? Do you not get any connectivity with
>> internet / specific networks?
>> 
>> 
>> First thing that springs to mind is that you cannot configure two
>> default gateways. There can only be one default gateway. You can
>> configure different gateways for different subnets / interfaces. Or you
>> can configure different routing tables for different processes.
>> 
>> Your current configuration specifies three gateways. I assume you want
>> to use different gateways for different subnets?
>> 
>> 
>> How does the output of the following commands look like?
>> 
>> ip a
>> ip r
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