[Xorp-users] ospf4 / putting several IP aliases in OSPF networks

[Ben Greear]

On 02/22/2010 01:10 AM, Guillaume Tamboise wrote:
> Hello,
>
> I read in the user manual (page 93) that "OSPFv2 supports a single
> address per interface/vif, therefore all parameters are set below the
> address node.".
>
> Does it mean that I cannot start several OSPF adjacencies from a Linux
> network interface that has IP aliases (or secondary IP addresses as
> several vendors call them)?
>
> I am talking about Linux IP interfaces that look like this:
>
> # ip addr show dev eth0
> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
> state UNKNOWN qlen 1000
>      link/ether 54:52:00:67:af:9a brd ff:ff:ff:ff:ff:ff
>      inet *10.0.1.1/24 <http://10.0.1.1/24>* brd 10.0.12.255 scope
> global eth0
>      inet *10.0.2.1/24 <http://10.0.2.1/24>* scope global eth0
> [...]
>
>
> I would like to start adjacencies from both 10.0.1.1 and 10.0.2.1.
> Is that supported?

You might be able to use mac-vlans on modern Linux kernels to achieve
this.

Thanks,
Ben

-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com