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I have two routes for a prefix: 172.18.0.0/16 AD 200 via ibgp172.18.0.0/16 Null0 AD 225 via static The route selection works as I would expect if the prefix is not advertised by bgp. When 172.18.0.0/16 is advertised by BGP (via network or redistribut...
Good day - I'm experimenting changing a network to segment routing from LDP. I'm struggling with an issue where the ABRs are advertising interarea routes in area 0, but those routes are not associated with a MPLS label. I can successfully sr-mpls pin...
Good day board - Can one use a loopback to activate area 0? I have a setup where I desire a star topology and would prefer a loopback over other options. The state and configuration are:sh ospf
...
Area BACKBONE(0) (Inactive)
Number of interf...
Good day board -I'm seeking assistance on my OSPF configuration of a XR 9000v 7.2.1 instance. I have a situation in which an ASBR participating in a NSSA receives the default route, but does not install it. As shown in the next sequence of commands, ...
Found the solution! Because the ASBR is using a vrf, one needs to enable capabiltiy vrf-lite.RP/0/RP0/CPU0:jrce#sh run router ospf 1
Thu Jun 10 20:19:42.445 UTC
router ospf 1
vrf vrf10
capability vrf-lite
router-id 0.0.0.10
network poin...
From above, the ASBR is receiving the default route.RP/0/RP0/CPU0:asbr#sh ospf vrf vrf10 border-routers
Fri Jun 11 15:37:33.984 UTC
OSPF 1, VRF vrf10 Internal Routing Table
Codes: i - Intra-area route, I - Inter-area route
i 0.0.0.1 [1] via 172...
Hmmm. The system thinks its _both_ a ASBR and ABR. Don't know why it thinks its an ABR. Configuration follows.sh ospf vrf vrf10
VRF vrf10 active in Routing Process "ospf 1" with ID 0.0.0.10
Role: Primary Active
NSR (Non-stop routing) is Enabled
Su...
From [1]:
These conditions set the forwarding address field to a non-zero address:
OSPF is enabled on the ASBR's next hop interface AND
ASBR's next hop interface is non-passive under OSPF AND
ASBR's next hop interface is not point-to-point AND
A...