[c-nsp] Preloading AS to static network entry via route-map: Duh?

[Arie Vayner (avayner)]

If you take a look at the command reference for the as-path command:
http://www.cisco.com/en/US/docs/ios/iproute_bgp/command/reference/irg_bg
p4.html#wp1136246

You would see that the "prepend" keyword would work only on ingress or
egress BGP route-maps:
"Appends the string following the keyword prepend to the autonomous
system path of the route that is matched by the route map. Applies to
inbound and outbound BGP route maps."

In the link above there are also details about specific 4-byte AS
support.

Arie

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Elmar K. Bins
Sent: Monday, January 17, 2011 17:11
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] Preloading AS to static network entry via route-map:
Duh?

Re guys,

the prefixes I give out are being rooted by "network" entries with
a route-map attached (like "network a.b.c.d/e route-map <rm>").

In that route-map, I'm simply prepending an ASN ("as-path prepend
<as>").

Well - that prepend never makes it to the outside world. Source ASN is
simply my ASN, the desired <as> is nowhere to be found.

Am I wrong in assuming it should work that way?

Oh, platform is an ASR1002, IOS-XE 12.2(33)XNC1t.

Didn't try my 7301s yet...

Elmar.

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