[Xorp-users] VLAN Interfaces

[Ben Greear]

On 02/14/2011 02:46 PM, Joe Coco wrote:
>
>> After some more looking, I think using VLANs as VIFS like this is not
>> worth the effort.  We'd have to do some hard-core hacking on
>> the vif class...basically re-implement all or most of the Interface
>> logic.
>
>> And even that doesn't really scale..because you can have vlans on vlans, macvlans,
>> bridge devices and various other stacking.
>
>> So, I think I'd propose that virtual interfaces be created outside of xorp.
>> Please note that xorp.ct *should* work fine if you start it before the
>> VLANs are created, and then create them sometime later.  It should also
>> deal with dynamically adding/deleting interface config from within
>> xorpsh, independently of the coming and going of interfaces in the
>> OS.  (I put a lot of effort into this for our WISER product, but
>> problems could remain..so yell if you find bugs of this nature.)
>
> Well, you can very well create all your vlan interfaces before starting xorpsh, and that does in fact work.
>
> What I was trying to do was create vlans from within xorp, which absolutely does not work.
>
> For a lot of folks, configuring the interfaces OS side then running xorp would be fine, but my test case was seeing if xorp could serve as a replacement
> for ZebOS in a routing appliance. (i.e, xorpsh ONLY).

Any reason you can't add 'vconfig', or use a moderately up-to-date 'ip' tool to
create the VLANs before you log into xorpsh?

Thanks,
Ben

>
> Any suggestions?
>
> -- Joe


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