r...@crs1.sc1> show isis route
 IS-IS routing table             Current version: L1: 0 L2: 599
IPv4/IPv6 Routes
----------------
Prefix             L Version   Metric Type Interface    Via
10.0.0.4/30     2     599       20 int  ge-1/0/1.0   edge2.xxx
                                           ge-0/0/0.0   edge2.xxx
                                           ge-0/0/1.0   edge1.xxx
                                           ge-1/0/0.0   edge1.xxx
10.0.0.13/32    2     599       10 int  ge-1/0/0.0   edge1.xxx
                                           ge-0/0/1.0   edge1.xxx
10.0.0.14/32    2     599       10 int  ge-0/0/0.0   edge2.xxx
                                           ge-1/0/1.0   edge2.xxx

Yes, standard inet.0 routes.

On Jul 15, 2009, at 8:49 PM, Truman Boyes wrote:

The route reflectors are sending the "best" routes. Are there different IGP costs between the 4 links? The routes will need to be equal to have them all installed as equal. There is an option for VPN routes to ignore the IGP metrics, but I assume these are standard inet.0 routes.

Truman


On 15/07/2009, at 8:22 PM, Cord MacLeod wrote:

I guess I don't fully understand how this is supposed to work. I have an ex4200 device with 4 links, 2 to each m7. Both m7s are acting as route reflectors and advertising default to the ex4200. The loopbacks are advertised with ISIS. However when I check BGP's summery and my routing table, it seems multipath isn't working. Any thoughts?

ex4200:
r...@crs1.xxx# show
type internal;
local-address 10.0.0.31;
export next-hop-self;
multipath;
neighbor 10.0.0.13 {
  description "iBGP to edge1";
  peer-as 64554;
}
neighbor 10.0.0.14 {
  description "iBGP to edge2";
  peer-as 64554;

Table Tot Paths Act Paths Suppressed History Damp State Pending inet.0 2 1 0 0 0 0 Peer AS InPkt OutPkt OutQ Flaps Last Up/Dwn State|#Active/Received/Accepted/Damped... 10.0.0.13 64554 30 28 0 3 12:03 0/1/1/0 0/0/0/0 10.0.0.14 64554 58 57 0 3 12:03 1/1/1/0 0/0/0/0


0.0.0.0/0 *[BGP/170] 00:12:36, MED 0, localpref 100, from 10.0.0.14
                    AS path: 3561 I
                  > to 10.0.0.69 via ge-0/0/1.0
                    to 10.0.0.49 via ge-1/0/0.0
[BGP/170] 00:12:36, MED 0, localpref 100, from 10.0.0.13
                    AS path: 3561 I
                  > to 10.0.0.69 via ge-0/0/1.0
                    to 10.0.0.49 via ge-1/0/0.0

.49 and .69 are both /30 link addresses on 10.0.0.13. So the 2 links in place on .14 aren't showing up.

Interface             System         L State        Hold (secs) SNPA
ge-0/0/0.0 edge2.xxx 2 Up 23 0:1f:12:d2:d0:db ge-0/0/1.0 edge1.xxx 2 Up 24 0:1f:12:d3:60:2 ge-1/0/0.0 edge1.xxx 2 Up 25 0:1f:12:d3:60:db ge-1/0/1.0 edge2.xxx 2 Up 19 0:1f:12:d2:d0:2

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