Huawei espace 7810 Administrator's Manual page 158

Huawei IP Phone eSpace
7810&7820&7830&7850&7870&7803X
Administrator Guide
Packet Analysis
1.
Figure 5-24 Packets that are not filtered
Issue 01 (2011-12-31)
Before capturing packets, you can filter packets. The expression used to filter packets is
host<IP address>.Only the packets with the specified IP address are captured. Common
expressions used to filter packets are as follows:
[src|dst] host <host>
ether [src|dst] host <ehost>
gateway host <host>
[src|dst] net <net>[{mask <mask>}|{len <len>}]
[tcp|udp] [src|dst] port <port>
less|greater <length>
ip|ether proto <protocol>
ether|ip broadcast|multicast
<expr>relop<expr>
Packet Filtering
In actual applications, there is a large amount of data in packet capture. To rapidly locate
the required packets, you need to use the packet filtering function.
To filter packets, enter the expression in the Filter text box and click Apply. For
example, to filter TCP packets, enter tcp in the Filter text box and click Apply.
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