Displaying BGP4+ neighbor statistics

Various show ipv6 bgp neighbor commands verify information about BGP4+ neighbor configurations.

1. Enter the show ipv6 bgp neighbors command.
   

   device# show ipv6 bgp neighbors
   
       Total number of BGP Neighbors: 1
   1   IP Address: 1:2::3, AS: 100 (IBGP), RouterID: 0.0.0.0, VRF: default-vrf
       State: CONNECT, Time: 0h3m3s, KeepAliveTime: 60, HoldTime: 180
       Minimal Route Advertisement Interval: 0 seconds
       Messages:    Open    Update  KeepAlive Notification Refresh-Req
          Sent    : 0       0       0         0            0          
          Received: 0       0       0         0            0          
       Last Connection Reset Reason:Unknown
       Notification Sent:     Unspecified
       Notification Received: Unspecified
       Neighbor NLRI Negotiation:
         Peer configured for IPV6 unicast  Routes
       Neighbor ipv6 MPLS Label Capability Negotiation:
       Neighbor AS4 Capability Negotiation:
       Outbound Policy Group:
          ID: 2, Use Count: 3
          Last update time was 172 sec ago
   Error: TCP status not available
   

   This example output gives summarized information about a BGP4+ neighbor.
2. Enter the show ipv6 bgp neighbors advertised-routes command.
   

   device# show ipv6 bgp neighbors 123::3 advertised-routes 
   
          There are 5 routes advertised to neighbor 123::3
   Status A:AGGREGATE B:BEST b:NOT-INSTALLED-BEST E:EBGP I:IBGP L:LOCAL
          Prefix             Next Hop        MED        LocPrf     Weight Status
   1      110:110:110::/64   123::2           0                    0      BE    
            AS_PATH: 222 111
   2      110:110:110:1::/64 123::2           0                    0      BE    
            AS_PATH: 222 111
   3      110:110:110:2::/64 123::2           0                    0      BE    
            AS_PATH: 222 111
   4      110:110:110:3::/64 123::2           0                    0      BE    
            AS_PATH: 222 111
   5      110:110:110:4::/64 123::2           0                    0      BE    
            AS_PATH: 222 111
   

   This example shows information about all the routes the BGP4+ networking device advertised to the neighbor.
3. Enter the show ipv6 bgp neighbors last-packet-with-error command.
   

   device# show ipv6 bgp neighbors 123::3 last-packet-with-error 
   
    Received Message Length: 45
    BGP Message:
     0xffffffff  0xffffffff  0xffffffff  0xffffffff  0x002d0104
     0x014b00b4  0x09090909  0x10020601  0x04020000  0x01020202
     0x00020280  0x00
   
    BGP Header
     Marker:   0xffffffff  0xffffffff  0xffffffff  0xffffffff
     Message Length: (0x002d) 45
     Message Type: (0x01) OPEN
   
    OPEN Message 
    Version: (0x04) 4
    AS Number: (0x014b) 331 
    Hold Time: (0x00b4) 180
    BGP Identifier: (0x09090909) 9.9.9.9 
    Optional Parameter length: (0x10) 16
   
    OPEN message optional parameters
     Parameter Type: (0x02) Capability
     Parameter Length: (0x06) 6
      Capability Type: (0x01) MULTIPROTOCOL EXTENSIONS
      Capability Length: (0x04) 4
      AFI: (0x0200) Unknown(512)
      Reserved: (0x00) 0
      SAFI: (0x01) Unicast
   
     Parameter Type: (0x02) Capability
     Parameter Length: (0x02) 2
      Capability Type: (0x02) ROUTE REFRESH(new)
      Capability Length: (0x00) 0
   
     Parameter Type: (0x02) Capability
     Parameter Length: (0x02) 2
      Capability Type: (0x80) ROUTE REFRESH(old)
      Capability Length: (0x00) 0
   

   This example shows information about the last packet that contained an error from any of a device‘s neighbors.
4. Enter the show ipv6 bgp neighbors received-routes command.
   

   device# show ipv6 bgp neighbors 160:160:160::10 received-routes
   
          There are 5 received routes from neighbor 160:160:160::10
   Status A:AGGREGATE B:BEST b:NOT-INSTALLED-BEST C:CONFED_EBGP D:DAMPED
          E:EBGP H:HISTORY I:IBGP L:LOCAL M:MULTIPATH m:NOT-INSTALLED-MULTIPATH
          S:SUPPRESSED F:FILTERED s:STALE
          Prefix             Next Hop        MED        LocPrf     Weight Status
   1      110:110:110::/64   160:160:160::10  0         100        0      BE    
            AS_PATH: 111
   2      110:110:110:1::/64 160:160:160::10  0         100        0      BE    
            AS_PATH: 111
   3      110:110:110:2::/64 160:160:160::10  0         100        0      BE    
            AS_PATH: 111
   4      110:110:110:3::/64 160:160:160::10  0         100        0      BE    
            AS_PATH: 111
   5      110:110:110:4::/64 160:160:160::10  0         100        0      BE    
            AS_PATH: 111
   

   This example lists all route information received in route updates from BGP4+ neighbors of the device since the soft-reconfiguration feature was enabled.
5. Enter the show ipv6 bgp neighbors rib-out-routes command.
   

   device# show ipv6 bgp neighbors 123::3 rib-out-routes 
   
          There are 5 RIB_out routes for neighbor 123::3
   Status A:AGGREGATE B:BEST b:NOT-INSTALLED-BEST E:EBGP I:IBGP L:LOCAL
          Prefix             Next Hop        MED        LocPrf     Weight Status
   1      110:110:110::/64   160:160:160::10  0         100        0      BE    
            AS_PATH: 111
   2      110:110:110:1::/64 160:160:160::10  0         100        0      BE    
            AS_PATH: 111
   3      110:110:110:2::/64 160:160:160::10  0         100        0      BE    
            AS_PATH: 111
   4      110:110:110:3::/64 160:160:160::10  0         100        0      BE    
            AS_PATH: 111
   5      110:110:110:4::/64 160:160:160::10  0         100        0      BE    
            AS_PATH: 111
   

   This example shows information about BGP4+ outbound RIB routes.