Reset Search



S-Series Fails to Backup BGP Peer

« Go Back


TitleS-Series Fails to Backup BGP Peer
  • S-Series working to BGP peer for a long time
  • S-Series fails over to redundant BGP peer
  • S-Series cannot ping peer
  • Peer is in active state
Router1(su)->show ip bgp neighbors

BGP neighbor is: 203.113.253, remote AS: 1234
BGP version is: 4, remote router ID:
TTL: 1
Hold Time: 90 (sec), Keepalive Time: 30 (sec)
Advertised Restart Time: 120 (sec), Restarting: No
Restart Status: NotRestarting, Time remaining in restart state: 0
Current state is: ACTIVE
Updates received: 19, Updates sent: 4082
Total messages received: 338262, Total messages sent: 392358
Last error code was: 4
Last error sub-code was: 0
BGP Instance Local AS is: 65200
BGP Peer selected local AS is: 0
Local router ID is:
Established Time: 4,04:49:54 (days,hr:min:sec)
Number of transitions to/from established state is: 19
Soft reset with stored info is: Enabled
Automatic sending of route-refresh messages is: Enabled
Router confederation AS is: 0
Peer is in Router's Confederation? No
Route Reflector ID is:
Peer is Route Reflector Client? Non-Client
Max allowed instances of local AS in AS-PATH of rcv updates:0
Sender side loop detection is: Enabled
Bidirectional Forwarding Detection (BFD) is: Disabled
Negotiated Capabilities:
Multiprotocol ipv4 unicast: Received: No Negotiated: No
Multiprotocol ipv4 multicast: Received: No Negotiated: No
Multiprotocol ipv4 vpn: Received: No Negotiated: No
Multiprotocol ipv6 unicast: Received: No Negotiated: No
Multiprotocol ipv6 multicast: Received: No Negotiated: No
Multiprotocol ipv6 vpn: Received: No Negotiated: No
Route Refresh: Received: No Negotiated: No
Graceful Restart: Received: No Negotiated: No
Outbound Route Filtering: Received: No Negotiated: No
4 Octet AS number: Received: No Negotiated: No

Cisco Reports S-Series Peer in active state
Cisco#sh ip bgp neighbors
BGP neighbor is, remote AS 65200, external link
BGP version 4, remote router ID
BGP state = Active
Last read 00:31:25, last write 00:31:25, hold time is 180, keepalive interval is 60 seconds
Message statistics:
InQ depth is 0
OutQ depth is 0
Sent Rcvd
Opens: 0 0
Notifications: 0 0
Updates: 0 0
Keepalives: 0 0
Route Refresh: 0 0
Total: 0 0
Default minimum time between advertisement runs is 30 seconds

For address family: IPv4 Unicast
BGP table version 17, neighbor version 0/0
Output queue size : 0
Index 1, Offset 0, Mask 0x2
1 update-group member
Inbound soft reconfiguration allowed
Sent Rcvd
Prefix activity: ---- ----
Prefixes Current: 0 0
Prefixes Total: 0 0
Implicit Withdraw: 0 0
Explicit Withdraw: 0 0
Used as bestpath: n/a 0
Used as multipath: n/a 0

Outbound Inbound
Local Policy Denied Prefixes: -------- -------
Total: 0 0
Number of NLRIs in the update sent: max 0, min 0

Connections established 0; dropped 0
Last reset never
External BGP neighbor not directly connected.
No active TCP connection

Layer to connection between peers failed
Fix physical layer between peers
Additional notes



Was this article helpful?



Please tell us how we can make this article more useful.

Characters Remaining: 255