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BGP PIC Not installed in FIB

Dears
Would like your assistance please for BGP PIC
I have strange behavior. I have configured BGP PIC and some routes with their backup are installed in FIB and others are not !


What can be the reason for this ?

|||

router bgp
.
 address-family vpnv4
  bgp additional-paths install  <<----
  bgp recursion host
  bgp nexthop trigger delay 0
  neighbor 1.1.1.1 activate
  neighbor 1.1.1.1 send-community both
  neighbor 2.2.2.2 activate
  neighbor 2.2.2.2 send-community both
 exit-address-family

Non working prefix

R1#show bgp vrf test 100.0.0.0/29
BGP routing table entry for 1:1:100.0.0.0/29, version 2959875
Paths: (2 available, best #2, table test)
  Additional-path-install
  Not advertised to any peer
  Refresh Epoch 1
  Local, imported path from 10.40.0.41:800:100.0.0.0/29 (global)
    10.40.0.41 (metric 211) from 10.40.0.9 (10.40.0.9)
      Origin IGP, metric 51, localpref 100, valid, internal, backup/repair
      Extended Community: RT:64512:800
      Originator: 10.40.0.41, Cluster list: 10.40.0.9 , recursive-via-host
      mpls labels in/out nolabel/16
      rx pathid: 0, tx pathid: 0
  Refresh Epoch 1
  Local, imported path from 10.40.0.42:9:100.0.0.0/29 (global)
    10.40.0.42 (metric 200) from 10.40.0.9 (10.40.0.9)
      Origin IGP, metric 0, localpref 100, valid, internal, best
      Extended Community: RT:64512:800
      Originator: 10.40.0.42, Cluster list: 10.40.0.9 , recursive-via-host
      mpls labels in/out nolabel/29
      rx pathid: 0, tx pathid: 0x0
R1#
 
R1#show ip route vrf test repair-paths 100.0.0.0

Routing Table: test
Routing entry for 100.0.0.0/29
  Known via "bgp 64512", distance 200, metric 0, type internal
  Last update from 10.40.0.42 7w0d ago
  Routing Descriptor Blocks:
  * 10.40.0.42 (default), from 10.40.0.9, 7w0d ago, recursive-via-host
      Route metric is 0, traffic share count is 1
      AS Hops 0
      MPLS label: 29
      MPLS Flags: MPLS Required, NSF
R1#

||||

Working prefix

R1#show ip bgp vpnv4 vrf test 150.0.0.0
BGP routing table entry for 1:1:150.0.0.0/28, version 4566372
Paths: (2 available, best #1, table test)
  Additional-path-install
  Not advertised to any peer
  Refresh Epoch 1
  Local, imported path from 10.40.0.2:390:150.0.0.0/28 (global)   
    10.40.0.2 (metric 200) from 10.40.0.9 (10.40.0.9)
      Origin IGP, metric 2, localpref 100, valid, internal, best  
      Extended Community: RT:64512:390 RT:64512:800 OSPF RT:0.0.0.0:1:0
      Originator: 10.40.0.2, Cluster list: 10.40.0.9 , recursive-via-host
      mpls labels in/out nolabel/33
      rx pathid: 0, tx pathid: 0x0
  Refresh Epoch 1
  Local, imported path from 10.40.0.1:390:150.0.0.0/28 (global)
    10.40.0.1 (metric 211) from 10.40.0.9 (10.40.0.9)
      Origin IGP, metric 2, localpref 100, valid, internal, backup/repair  
      Extended Community: RT:64512:390 RT:64512:800 OSPF RT:0.0.0.0:1:0
      Originator: 10.40.0.1, Cluster list: 10.40.0.9 , recursive-via-host
      mpls labels in/out nolabel/33
      rx pathid: 0, tx pathid: 0
R1#

R1#show ip route vrf test repair-paths 150.0.0.0

Routing Table: test
Routing entry for 150.0.0.0/28
  Known via "bgp 64512", distance 200, metric 2, type internal
  Last update from 10.40.0.2 5d12h ago
  Routing Descriptor Blocks:
  * 10.40.0.2 (default), from 10.40.0.9, 5d12h ago, recursive-via-host
      Route metric is 2, traffic share count is 1
      AS Hops 0
      MPLS label: 33
      MPLS Flags: MPLS Required, NSF
    [RPR]10.40.0.1 (default), from 10.40.0.9, 5d12h ago, recursive-via-host  
      Route metric is 2, traffic share count is 1
      AS Hops 0
      MPLS label: 33
      MPLS Flags: MPLS Required, NSF
R1#

Many Thanks

Regards
Sherif Ismail

Everyone's tags (1)
1 REPLY

HiSo if anyone faced the same

Hi

So if anyone faced the same issue .. I removed config and reapply it again then worked fine

Possible a bug

Thanks

Regards

Sherif Ismail

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