[IOS-XR] eBGP - basic config

 

 

 

RP/0/0/CPU0:R-1#sh run
!
route-policy PASS
  pass
end-policy
!
router bgp 1
 bgp router-id 1.1.1.1
 address-family ipv4 unicast
  redistribute connected
 !
 neighbor 1.1.12.2
  remote-as 2
  address-family ipv4 unicast
   route-policy PASS in
   route-policy PASS out
  !
 !
!
####################################################
 
RP/0/0/CPU0:R-2#sh run
!
route-policy PASS
  pass
end-policy
!
router bgp 2
 bgp router-id 2.2.1.1
 address-family ipv4 unicast
  redistribute connected
 !
 neighbor 1.1.12.1
  remote-as 1
  address-family ipv4 unicast
   route-policy PASS in
   route-policy PASS out
  !
 !
!
####################################################
 
RP/0/0/CPU0:R-1#sh ip rou
Wed May 31 13:35:58.004 UTC
 
Gateway of last resort is not set
 
C    1.1.1.0/24 is directly connected, 00:17:32, Loopback0
L    1.1.1.1/32 is directly connected, 00:17:32, Loopback0
C    1.1.12.0/24 is directly connected, 00:17:32, GigabitEthernet0/0/0/0
L    1.1.12.1/32 is directly connected, 00:17:32, GigabitEthernet0/0/0/0
B    2.2.1.0/24 [20/0] via 1.1.12.2, 00:16:25
RP/0/0/CPU0:R-1#
RP/0/0/CPU0:R-1#
RP/0/0/CPU0:R-1#sh bgp ipv4 uni
Wed May 31 13:36:09.183 UTC
BGP router identifier 1.1.1.1, local AS number 1
BGP generic scan interval 60 secs
Non-stop routing is enabled
BGP table state: Active
Table ID: 0xe0000000   RD version: 7
BGP main routing table version 7
BGP NSR Initial initsync version 3 (Reached)
BGP NSR/ISSU Sync-Group versions 0/0
BGP scan interval 60 secs
 
Status codes: s suppressed, d damped, h history, * valid, > best
              i - internal, r RIB-failure, S stale, N Nexthop-discard
Origin codes: i - IGP, e - EGP, ? - incomplete
   Network            Next Hop            Metric LocPrf Weight Path
*> 1.1.1.0/24         0.0.0.0                  0         32768 ?
*> 1.1.12.0/24        0.0.0.0                  0         32768 ?
*                     1.1.12.2                 0             0 2 ?
*> 2.2.1.0/24         1.1.12.2                 0             0 2 ?
 
Processed 3 prefixes, 4 paths
RP/0/0/CPU0:R-1#
RP/0/0/CPU0:R-1#
RP/0/0/CPU0:R-1#sh bgp ipv4 uni su
Wed May 31 13:36:11.893 UTC
BGP router identifier 1.1.1.1, local AS number 1
BGP generic scan interval 60 secs
Non-stop routing is enabled
BGP table state: Active
Table ID: 0xe0000000   RD version: 7
BGP main routing table version 7
BGP NSR Initial initsync version 3 (Reached)
BGP NSR/ISSU Sync-Group versions 0/0
BGP scan interval 60 secs
 
BGP is operating in STANDALONE mode.
 
 
Process       RcvTblVer   bRIB/RIB   LabelVer  ImportVer  SendTblVer  StandbyVer
Speaker               7          7          7          7           7           0
 
Neighbor        Spk    AS MsgRcvd MsgSent   TblVer  InQ OutQ  Up/Down  St/PfxRcd
1.1.12.2          0     2      21      21        7    0    0 00:17:39          2
 
RP/0/0/CPU0:R-1#
RP/0/0/CPU0:R-1#
RP/0/0/CPU0:R-1#
RP/0/0/CPU0:R-1#sh ip bgp 1.1.12.2
Wed May 31 13:37:17.668 UTC
BGP routing table entry for 1.1.12.0/24
Versions:
  Process           bRIB/RIB  SendTblVer
  Speaker                  5           5
Last Modified: May 31 13:19:31.932 for 00:17:45
Paths: (2 available, best #1)
  Advertised to peers (in unique update groups):
    1.1.12.2        
  Path #1: Received by speaker 0
  Advertised to peers (in unique update groups):
    1.1.12.2        
  Local
    0.0.0.0 from 0.0.0.0 (1.1.1.1)
      Origin incomplete, metric 0, localpref 100, weight 32768, valid, redistributed, best, group-best
      Received Path ID 0, Local Path ID 0, version 5
  Path #2: Received by speaker 0
  Not advertised to any peer
  2
    1.1.12.2 from 1.1.12.2 (2.2.1.1)
      Origin incomplete, metric 0, localpref 100, valid, external, group-best
      Received Path ID 0, Local Path ID 0, version 0
      Origin-AS validity: not-found
RP/0/0/CPU0:R-1#
RP/0/0/CPU0:R-1#sh ip bgp 2.2.1.1 
Wed May 31 13:37:40.697 UTC
BGP routing table entry for 2.2.1.0/24
Versions:
  Process           bRIB/RIB  SendTblVer
  Speaker                  7           7
Last Modified: May 31 13:19:32.932 for 00:18:07
Paths: (1 available, best #1)
  Not advertised to any peer
  Path #1: Received by speaker 0
  Not advertised to any peer
  2
    1.1.12.2 from 1.1.12.2 (2.2.1.1)
      Origin incomplete, metric 0, localpref 100, valid, external, best, group-best
      Received Path ID 0, Local Path ID 0, version 7
      Origin-AS validity: not-found
RP/0/0/CPU0:R-1#