Administrator Guide

Version Description
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000-ON.
9.2(1.0) Introduced on the Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.5.1.0 Added support for 4-port 40G line cards on the E-Series.
8.3.7.0 Introduced on the S4810.
8.2.1.0 Added support for 4094 VLANs on the E-Series (the prior limit was 2094).
8.1.1.0 Introduced on the E-Series.
7.6.1.0 Added the access-group option.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
6.3.1.0 Added the count option.
Usage
Information
The following describes the debug ip packet command in the following example.
Field Description
s= Lists the source address of the packet and the name of the interface (in
parentheses) that received the packet.
d= Lists the destination address of the packet and the name of the interface (in
parentheses) through which the packet is being sent out on the network.
len Displays the packet’s length.
sending, rcvd,
fragment,
sending broad/
multicast proto,
unroutable
The last part of each line lists the status of the packet.
TCP src= Displays the source and destination ports, the sequence number, the
acknowledgement number, and the window size of the packets in that TCP
packets.
UDP src= Displays the source and destination ports for the UDP packets.
ICMP type= Displays the ICMP type and code.
IP Fragment States that it is a fragment and displays the unique number identifying the
fragment (Ident) and the offset (in 8-byte units) of this fragment (fragment
offset) from the beginning of the original datagram.
Example
IP: s=10.1.2.62 (local), d=10.1.2.206 (Ma 1/1), len 54, sending
TCP src=23, dst=40869, seq=2112994894, ack=606901739, win=8191 ACK
PUSH
IP: s=10.1.2.206 (Ma 1/1), 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 1/1), len 226, sending
TCP src=23, dst=40869, seq=2112994896, ack=606901739, win=8192 ACK
PUSH
IP: s=10.1.2.216 (Ma 1/1), 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 1/1), len 1500, sending fragment
IP Fragment, Ident = 4741, fragment offset = 0
ICMP type=0, code=0
720 IPv4 Routing