Nokia IP100 Series, Руководство по установке

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Troubleshooting
86 IP100 Series Installation Guide
The following example hides WWW traffic for the interface:
tcpdump -i eth-s1p1c0 not port 80
Viewing a Portion of the Packet
tcpdump -i
logical interface name
-s
packet size
-vv
The following example shows 320 bytes of the packet:
tcpdump -i eth-s1p1c0 -s 320 -vv
Viewing a Specific IP Address
tcpdump -i
logical interface name host IP address
The following example shows only packets with IP address 10.10.10.1:
tcpdump -i eth-s3p1c0 host 10.10.10.1
Saving
tcpdump
Results to Local File
Generate a trace file by using
tcpdump
with the -w flag. This stores
the packets in a local file for later viewing with
tcpdump
. Use this
feature when you want to send a copy of the
tcpdump
results to Nokia
Customer Support.
The
-w
flag copies the first 68 bytes of every packet, unless you
increase the capture size.
For users running without data encryption, passwords are stored in the
file.
NOTE:
The file grows very quickly on a busy network. We
recommend creating this file in the
/var
partition.