Reference Guide

476 | IPv4 Routing
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debug ip packet
z
View a log of IP packets sent and received.
Syntax
debug ip packet [access-group name] [count value] [interface]
To disable debugging, use the no debug ip packet [access-group name] [count value] [interface]
command.
Parameters
Command Mode
EXEC Privilege
Command History
Example
Figure 21-3. debug ip packet Command Example (Partial)
IP: s=10.1.2.62 (local), d=10.1.2.206 (Ma 0/0), len 54, sending
TCP src=23, dst=40869, seq=2112994894, ack=606901739, win=8191 ACK PUSH
IP: s=10.1.2.206 (Ma 0/0), d=10.1.2.62, len 40, rcvd
TCP src=0, dst=0, seq=0, ack=0, win=0
IP: s=10.1.2.62 (local), d=10.1.2.206 (Ma 0/0), len 226, sending
TCP src=23, dst=40869, seq=2112994896, ack=606901739, win=8192 ACK PUSH
IP: s=10.1.2.216 (Ma 0/0), d=10.1.2.255, len 78, rcvd
UDP src=0, dst=0
IP: s=10.1.2.62 (local), d=10.1.2.3 (Ma 0/0), len 1500, sending fragment
IP Fragment, Ident = 4741, fragment offset = 0
ICMP type=0, code=0
IP: s=10.1.2.62 (local), d=10.1.2.3 (Ma 0/0), len 1500, sending fragment
IP Fragment, Ident = 4741, fragment offset = 1480
IP: s=40.40.40.40 (local), d=224.0.0.5 (Gi 4/11), len 64, sending broad/
multicast proto=89
IP: s=40.40.40.40 (local), d=224.0.0.6 (Gi 4/11), len 28, sending broad/
S6000
access-group name
Enter the keyword access-group followed by the access list name
(maximum 16 characters) to limit the debug output based on the defined rules
in the ACL.
count value (OPTIONAL) Enter the keyword count followed by the count value.
Range: 1 to 65534
Default: Infinity
interface
(OPTIONAL) Enter the following keywords and slot/port or number
information:
• For a 1-Gigabit Ethernet interface, enter the keyword
gigabitethernet
followed by the slot/port information.
• For the management interface on the RPM, enter the keyword
managementethernet followed by the slot/port information. The slot
range is 0-1 and the port range is 0.
• For a Port Channel interface, enter the keyword
port-channel followed
by a number:
S-Series Range: 1-128
• For a 10-Gigabit Ethernet interface, enter the keyword
tengigabitethernet followed by the slot/port information.
• For a VLAN, enter the keyword
vlan followed by a number from 1 to
4094.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE
followed by the slot/port information.
Version 9.0.2.0 Introduced on the S6000.
Version 8.3.11.1 Introduced on Z9000
Version 6.3.1.0 Added the count option