[c-nsp] Static MPLS labels/tunnels

Phil Mayers p.mayers at imperial.ac.uk
Sun Nov 21 05:10:32 EST 2010


On 11/21/2010 09:45 AM, Oliver Boehmer (oboehmer) wrote:
>
>> So, basically I'm asking:
>>
>> How on a 6500/sup720 can you configure a static MPLS binding to
> forward
>> packets arriving with label N at router A, ingress interface X to
> emerge
>> from router B, egress interface Y, label N?
>>
>> The answer that Tassos gave may be correct; I just don't know how to
>> "dummy up" the IPs in the label binding commands. Alternatively I
> would
>> have thought you could do something like this:
>>
>> int TunnelX
>>     ! LSP commands
>> mpls route label N interface INGRESS TunnelX
>
> using a tunnel along with "mpls static crossconnect<inlabel>  TunnelX
> {<outlabel>|explicit-null|implicit-null}" might work, see also

Sadly there's no "mpls static crossconnect" under SXI:

config)#mpls static ?
   binding  Establish static label bindings
   <cr>

...although the linked docs claim support was added in SXH. Oh well.


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