[j-nsp] cspf to secondary loopback
Harry Reynolds
harry at juniper.net
Tue Jul 19 11:31:43 EDT 2005
Working as designed. A secondary loopback address is not advertised into
the TED.
HTHs
> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net
> [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Armin Arh
> Sent: Tuesday, July 19, 2005 7:59 AM
> To: juniper-nsp at puck.nether.net
> Subject: [j-nsp] cspf to secondary loopback
>
> Hi,
>
> i had recently some problems with RSVP.
> We run OSPF with TE enabled on all boxes.
> I want to set up a RSVP- signalled LSP from Router A to Router B.
> (Juniper M40, M20, both Junos 6.4)
>
> Setting up a LSP is normally not a problem, but in this
> special case the destination is not the regular loopback of
> Router B, but a secondary one.
>
> In the following example "to-primary-loopback" comes up, but
> "to-secondary-loopback" does not. Router A says "CSPF failed":
>
> armin at Router-A> show mpls lsp extensive
> Ingress LSP: 1 sessions
>
> 10.0.0.13
> From: 10.0.0.1, State: Dn, ActiveRoute: 0, LSPname:
> to-secondary-loopback
> ActivePath: (none)
> LoadBalance: Random
> Encoding type: Packet, Switching type: Packet, GPID: IPv4
> Primary State: Dn
> SmartOptimizeTimer: 180
> Will be enqueued for recomputation in 22 second(s).
> 1 Jul 19 15:27:37 CSPF failed: no route toward 10.0.0.13[2 times]
> Created: Tue Jul 19 15:27:06 2005
> Total 1 displayed, Up 0, Down 1
>
>
> /* Config on Router A: */
> protocols {
> mpls {
> traffic-engineering bgp;
> label-switched-path to-primary-loopback {
> from 10.0.0.1;
> to 10.0.0.2;
> }
> label-switched-path to-secondary-loopback {
> from 10.0.0.1;
> to 10.0.0.13;
> }
> }
> }
>
> /* Config on Router B: */
> interfaces {
> lo0 {
> unit 0 {
> family inet {
> address 127.0.0.1/32;
> address 10.0.0.2/32;
> /* Alternative Loopback for traffic engineering */
> address 10.0.0.13/32;
> }
> }
> }
> }
>
>
> Setting an explicit path and "no-cspf" gives me a working
> lsp, but using cspf would be really nice.
> OSPF TE Database does not contain 10.0.0.13, but i think it should.
>
> Bug in Junos?
> General limitation of rsvp?
>
> Thx. and bye,
>
> Armin
>
> --
> Armin Arh
> Schlund + Partner AG
>
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