Acopia Adaptive Resource Switch, Руководство по обслуживанию CLI

Страница: 195 / 324

Troubleshooting Network Connections
Capturing IP Traffic in a File
CLI Maintenance Guide 7-21
Capturing IP Traffic in a File
This feature is not supported on the ARX®500.
From priv-exec mode, you can use the
capture session
command to start capturing IP
traffic and streaming it into a file:
capture session session-id ip ip-address [vlan vlan-id ] file prefix
where
session-id (1-4) identifies this capture session, so that you can close it later.
ip-address is the address to match against. The capture includes all packets
whose source IP or destination IP matches this address.
vlan vlan-id (optional, 1-4095) specifies the VLAN. If you omit this, it
defaults to VLAN 1 (or no specified VLAN).
prefix (1-255 characters) is the prefix you choose for the filename. Each file
is named as follows:
prefix _ nnnnn _ yyyymmddHHMMSS .cap
where prefix is what you choose here, nnnnn is a file number for this session
(there can be multiple files for each capture session, as explained later), and
yyyymmddHHMMSS is the date and time the file was created.
A capture session begins when you invoke the command and ends when the capture
file reaches its maximum size, or when you stop it with
no capture session
. The
maximum filesize and the
no capture session
command are both described below.
For example, the following command sequence exits to priv-exec mode, captures
traffic to and from 172.16.100.183, and places it in a file with the prefix, “clientCap.”
This only captures packets on VLAN 25.
bstnA6k(cfg)# end
bstnA6k# capture session 1 ip 172.16.100.183 vlan 25 file clientCap
bstnA6k# ...