[j-nsp] LDP/RSVP interop

[Mark Tinka]

On Monday 29 September 2008 09:54:06 Richard A Steenbergen 
wrote:

> For an LSP with the head on Juniper and tail on Cisco,
> this works around Cisco's inability to set an igp cost of
> 0 on its loopback interface. If you ever wondered why the
> #$%^& your lsp cost was 1 higher than your igp cost, now
> you know. :)

On the IOS side, this can be solved by NOT running IS-IS on 
the Loopback interface. Instead, you'd inject the 
Loopback's IP address into IS-IS with 
the 'passive-interface Loopback0' command.

This has the effect of introducing the Loopback address into 
IS-IS with a metric of zero (0).

Cheers,

Mark.
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