[nsp] controling prefixes advertised by LDP

[Martin, Christian]

Przemek,

See:

http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120
limit/120s/120s22/fsldp22.htm#xtocid42

Note that this is kinda tricky.  Cisco made some changes to the way the ACLs
were matched.  Before 12.0(14)ST, you had to invert the acl logic to get it
to work, ie, deny the prefixes you wanted to be allowed.  After, 12.0(14)ST,
it works as you would expect - permit prefixes you want advertised and deny
the rest.  You can also associate an ACL with an peer ip ACL, which allows
selective distribution.

HTH,
chris



-----Original Message-----
From: Przemyslaw Karwasiecki [mailto:karwas@ifxcorp.com] 
Sent: Monday, August 05, 2002 1:12 PM
To: cisco-nsp@puck.nether.net
Subject: [nsp] controling prefixes advertised by LDP



Group,

How can I control which prefixes from those directly connected are being
advertised in LDP to LDP peers?

I still have a problem with severe forwarding latency, when c7206 is
forwarding packet and it needs to remove label (penultimate hop). (Archive
Subject: [nsp] Forwarding latency corellated to CPU utilization
Date: 	12 Jul 2002 14:30:25 -0400)

So as a workaround, I wanted to remove affected prefixes from LDP, hoping
that they will be simply routed.

Is it possible to do so?

Thanks,

Przemek



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