Brocade FastIron SX, FCX, and ICX Diagnostic Reference - Manual (Page 93)

Brocade FastIron SX, FCX, and ICX Diagnostic Reference 81
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TCP debug commands
4
debug ip sync
Syntax: debug ip sync
This command displays debugging information about IP synchronization and faults in
synchronization.
Brocade# debug ip sync
Brocade(config-vif-11)# ND6 add sync: sent ip:2001:DB8::10 mac:none state:INCOMP
port:ve 12 vlan:12 isR:0 to all other units
ND6 add sync: sent ip:2001:DB8::10 mac:0000.0062.9f2d state:REACH port:e 3/3/1
vlan:12 isR:0 to all other units
ND6 add sync: sent ip:2001:DB8::10 mac:0000.0062.9f2d state:STALE port:e 3/3/1
vlan:12 isR:0 to all other units
TCP debug commands
The following debug ip tcp commands display debugging information about the Transmission
Control Protocol (TCP) transactions.
debug ip tcp
Syntax: [no] debug ip tcp [x:x::x:x | A.B.C.D]
• x:x::x:x - Specifies the IPv6 address.
• A.B.C.D - Specifies the IPv4 address.
This command displays TCP information for the specified IPv6 or IPv4 address. The following is the
sample output from the debug ip tcp x:x::x:x command.
Brocade# debug ip tcp 2001:DB8::192:111:101:25
TCP: ipv6 address 2001:DB8::192:111:101:25 debugging is on
Debug: Feb 11 10:46:57 TCP: sent packet (len=41) 2001:DB8::192:111:101:111:8197 ->
2001:DB8::192:111:101:25:179
packet:
syn:0,ack:1,rst:0,fin:0,hlen:5,chksum:18c2,seqn:11211247,ackn:835929143
Debug: Feb 11 10:46:57 TCP: sent packet (len=41) 2001:DB8::192:111:101:111:8197 ->
2001:DB8::192:111:101:25:179
packet:
syn:0,ack:1,rst:0,fin:1,hlen:5,chksum:14ac,seqn:11211268,ackn:835929143
Debug: Feb 11 10:46:57 TCP: rcvd packet (len=20) 2001:DB8::192:111:101:25:179 ->
2001:DB8::192:111:101:111:8197
packet:
syn:0,ack:1,rst:0,fin:0,hlen:5,chksum:3bfa,seqn:835929143,ackn:11211268
Debug: Feb 11 10:46:57 TCP: rcvd packet (len=20) 2001:DB8::192:111:101:25:179 ->
2001:DB8::192:111:101:111:8197
packet:
syn:0,ack:1,rst:0,fin:0,hlen:5,chksum:3bf9,seqn:835929143,ackn:11211290
Debug: Feb 11 10:46:57 TCP: rcvd packet (len=20) 2001:DB8::192:111:101:25:179 ->
2001:DB8::192:111:101:111:8197
packet:
syn:0,ack:1,rst:0,fin:1,hlen:5,chksum:3bce,seqn:835929143,ackn:11211290
Debug: Feb 11 10:46:57 TCP: sent packet (len=20) 2001:DB8::192:111:101:111:8197 ->
2001:DB8::192:111:101:25:179
packet:
syn:0,ack:1,rst:0,fin:0,hlen:5,chksum:1bce,seqn:11211290,ackn:835929144
Debug: Feb 11 10:47:05 TCP: sent packet (len=24) 2001:DB8::192:111:101:111:8178 ->
2001:DB8::192:111:101:25:179