[Xorp-users] Local-preference
Mike Horn
caddisconsulting@yahoo.com
Mon, 19 Dec 2005 08:19:25 -0700
Hi Atanu,
Just for additional clarification, this example will fail if entered via the
command line due to XORP bug 347 (BGP export policy requires "protocol").
But I'm assuming it works if configured as part of a configuration file.
Also, XORP bug 288 ("show bgp routes" commands) requests that the additional
BGP prefix details, like Local Pref are provided with the "detail" option.
I will add a list of the specific attributes that should be displayed,
please verify after I update it (Kristian I'm adding you as a CC to the bug,
I hope that's ok).
-mike
-----Original Message-----
From: xorp-users-admin@xorp.org [mailto:xorp-users-admin@xorp.org] On Behalf
Of Atanu Ghosh
Sent: Monday, December 19, 2005 2:57 AM
To: Kristian Larsson; xorp-users@xorp.org
Subject: Re: [Xorp-users] Local-preference
Hi,
You can use the to clause to select a neighbour:
policy {
policy-statement localpref {
term localpref {
to {
neighbour: 10.0.0.1
}
then {
localpref: 120
}
}
}
}
To apply this policy to BGP:
protocols {
bgp {
export: "localpref"
...
There is currently no way to discover the local-pref value that was
associated with an incoming route.
One way of verifying that the policy has been correctly applied is to trace
all the outgoing update messages.
protocol {
bgp {
traceoptions {
flag {
message-out
}
}
...
Atanu.
>>>>> "Kristian" == Kristian Larsson <kristian@juniks.net> writes:
Kristian> This should be real simple.. how do I see the
Kristian> local-preference of a route?
Kristian> I've tried looking at
Kristian> show bgp routes ipv6 unicast
Kristian> show bgp routes ipv6 unicast detail (which looks
Kristian> exactly the same as non-detailed)
Kristian> show route table ipv6 unicast final
Kristian> show route table ipv6 unicast ebgp
Kristian> and nowhere is localpref to find. There is a
Kristian> metric attribute but is it the one I'm looking
Kristian> for?
Kristian> And am I correct when I beleive that
Kristian> policy policy-statement test {
Kristian> term one {
Kristian> then {
Kristian> localpref: 120;
Kristian> }
Kristian> }
Kristian> }
Kristian> }
Kristian> Will set the local preference to 120?
Kristian> And is this only applicable at the
Kristian> protocols bgp
Kristian> level? Is it not possible to set per neighbor?
Kristian> Regards,
Kristian> Kristian
Kristian> _______________________________________________
Kristian> Xorp-users mailing list
Kristian> Xorp-users@xorp.org
Kristian> http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/xorp-users
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