[j-nsp] Active Routes on LSP - troubleshooting
Jerome Fleury
jeje at jeje.org
Mon Nov 8 06:11:36 EST 2004
--On dimanche 7 novembre 2004 16:47 +0100 "Alexander Arsenyev (GU/ETL)"
<alexander.arsenyev at ericsson.com> wrote:
> Hello,
>
> What really happens here is a recursive prefix-to-LSP mapping.
> Firstly, BB1.REI learned 11 prefixes which have a next hop of 212.129.9.7 and they have been
> mapped directly into LSP BB1.REI-BB1.COU. Secondly, at least one of these 11 routes was used
> to resolve next-hop of other BGP routes and these other routes also become mapped into this
> LSP. "show route next-hop <hext-hop value>" command displays only prefixes which have
> next-hop attribute set to the specified value, not all routes pointing to the specified next
> hop. Makes sense?
This is it indeed! I've found a lot of routes that resolve on those 11 BGP aggregates inside my
network. This is an unwanted behavior that I need to fix.
Thanks very much for pointing this out Alexander.
Do you know any CLI way to show all those prefix-to-LSP mappings ?
Jerome.
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