80 Brocade FastIron, FCX, ICX, and TurboIron Diagnostic Reference
53-1002965-01
UDP debug commands
4
debug ip tcp sack
Syntax: [no] debug ip tcp sack
This command activates the TCP Selective Acknowledgment (SACK) debugging.
Brocade# debug ip tcp sack
TCP: sack debugging is on
debug ip tcp transactions
Syntax: [no] debug ip tcp transactions
This command activates the TCP transactions debugging.
Brocade# debug ip tcp transactions
TCP: transactions debugging is on
TCP: transactions debugging is on
Debug: Feb 11 10:47:39 TCP: 2001:DB8::192:111:101:111:8178 ->
2001:DB8::192:111:101:25:179: state change ESTABLISHED -> FIN-WAIT-1
Debug: Feb 11 10:47:39 TCP: sending FIN to 2001:DB8::192:111:101:25 port 179
Debug: Feb 11 10:47:39 TCP: FIN to 2001:DB8::192:111:101:111 port 8178 acked
Debug: Feb 11 10:47:39 TCP: 2001:DB8::192:111:101:111:8178 ->
2001:DB8::192:111:101:25:179: state change FIN-WAIT-1 -> FIN-WAIT-2
Debug: Feb 11 10:47:39 TCP: 2001:DB8::192:111:101:111:8178 ->
2001:DB8::192:111:101:25:179: state change FIN-WAIT-2 -> TIME-WAIT
Debug: Feb 11 10:47:39 TCP: FIN processed
Debug: Feb 11 10:47:39 TCP: 2001:DB8::192:111:101:111:8178 ->
2001:DB8::192:111:101:25:179: state change TIME-WAIT -> CLOSED
Debug: Feb 11 10:47:39 TCP: TCB 14440934 destroyed
Debug: Feb 11 10:47:58 TCP: 2001:DB8::192:111:101:111:8064 ->
2001:DB8::192:111:101:25:179: state change CLOSED -> SYN-SENT
Debug: Feb 11 10:47:58 TCP: connected to 2001:DB8::192:111:101:111 port 8064
advertising MSS 1436
Debug: Feb 11 10:47:58 TCP: connection to 10.146.1.17 port 179 received MSS 1436
MSS is 1436
Debug: Feb 11 10:47:58 TCP: 2001:DB8::192:111:101:111:8064 ->
2001:DB8::192:111:101:25:179: state change SYN-SENT -> ESTABLISHED
UDP debug commands
You can use the debug ip udp command to display debugging information about the User Datagram
Protocol (UDP) transactions.
debug ip udp
Syntax: [no] debug ip udp
This commands activates the UDP debugging.
Brocade# debug ip udp
UDP: debugging is on
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