Cisco ASR 9000 Series Routing Configuration Manual page 223

Implementing BGP
Socket not armed for io, armed for read, armed for write
Last write thread event before reset 00:00:00, second last 00:00:00
Last KA expiry before reset 00:00:00, second last 00:00:00
Last KA error before reset 00:00:00, KA not sent 00:00:00
Last KA start before reset 00:00:00, second last 00:00:00
Precedence: internet
Multi-protocol capability received
Neighbor capabilities:
Route refresh: advertised (old + new) and received (old + new)
Graceful Restart (GR Awareness): advertised and received
4-byte AS: advertised and received
Address family IPv4 Unicast: advertised and received
Received 12 messages, 0 notifications, 0 in queue
Sent 12 messages, 0 notifications, 0 in queue
Minimum time between advertisement runs is 0 secs
TCP Maximum Segment Size 500
For Address Family: IPv4 Unicast
BGP neighbor version 4
Update group: 0.2 Filter-group: 0.1 No Refresh request being processed
Route refresh request: received 0, sent 0
0 accepted prefixes, 0 are bestpaths
Cumulative no. of prefixes denied: 0.
Prefix advertised 0, suppressed 0, withdrawn 0
Maximum prefixes allowed 1048576
Threshold for warning message 75%, restart interval 0 min
AIGP is enabled
An EoR was received during read-only mode
Last ack version 4, Last synced ack version 0
Outstanding version objects: current 0, max 0
Additional-paths operation: None
Send Multicast Attributes
The following example shows how to verify the TCP MSS configuration:
RP/0/0/CPU0:ios#show bgp neighbor 10.0.0.2 configuration
neighbor 10.0.0.2
remote-as 1 []
tcp-mss 400 [n:n1]
address-family IPv4 Unicast []
The following example shows how to display TCP connection endpoints information:
RP/0/0/CPU0:ios#show tcp brief
PCB
0x08789b28 0x60000000
0x08786160 0x00000000
0xecb0c9f8 0x60000000
0x0878b168 0x60000000
0xecb0c6b8 0x60000000
0x08781590 0x00000000
The following example shows how to display TCP connection information for a specific PCB value:
RP/0/0/CPU0:ios#show tcp pcb 0xecb0c9f8
Connection state is ESTAB, I/O status: 0, socket status: 0
Established at Sun Dec 7 11:49:39 2014
PCB 0xecb0c9f8, SO 0xecb01b68, TCPCB 0xecb01d78, vrfid 0x60000000,
Pak Prio: Medium, TOS: 192, TTL: 255, Hash index: 1322
Local host: 10.0.0.1, Local port: 12404 (Local App PID: 19840)
Foreign host: 10.0.0.2, Foreign port: 179
Current send queue size in bytes: 0 (max 24576)
Current receive queue size in bytes: 0 (max 32768) mis-ordered: 0 bytes
Current receive queue size in packets: 0 (max 0)
VRF-ID Recv-Q Send-Q Local Address
0 0
0 0
0 0
0 0
0 0
0 0
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.3.x
Verify Per Neighbor TCP MSS: Examples
Foreign Address
:::179
:::179
10.0.0.1:12404
11.0.0.1:179
0.0.0.0:179
0.0.0.0:179
State
:::0 LISTEN
:::0 LISTEN
10.0.0.2:179 ESTAB
11.0.0.2:61177 ESTAB
0.0.0.0:0 LISTEN
0.0.0.0:0 LISTEN
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