Chapter 59 Maintenance Tools - ZyXEL Communications ZYWALL USG Series Reference Manual

Use the maintenance tool commands to check the conditions of other devices through the ZyWALL
/ USG. The maintenance tools can help you to troubleshoot network problems.
Here are maintenance tool commands that you can use in privilege mode.
Table 229 Maintenance Tools Commands in Privilege Mode
COMMAND
packet-trace [interface interface_name]
[[ip-proto|ipv6-proto] | protocol_name
| any}] [src-host {ip | hostname |
any}] [dst-host {ip | hostname | any}]
[port {<1..65535> | any}] [file]
[duration <1..3600>] [extension-filter
filter_extension]
traceroute {ip | hostname}
traceroute6 {ipv6 | hostname}
[no] packet-capture activate
packet-capture configure
duration <0..300>
ZyWALL / USG (ZLD) CLI Reference Guide
C
HAPTER
Maintenance Tools
DESCRIPTION
Sniffs traffic going through the specified interface with the specified
protocol, source address, destination address, and/or port number.
If you specify , the ZyWALL / USG dumps the traffic to
file
packet_trace/packet_trace_interface
the files (see Section 53.7 on page
If you do not assign the duration, the ZyWALL / USG keeps dumping traffic
until you use Ctrl-C.
Use the extension filter to extend the use of this command.
protocol_name: You can use the name, instead of the number, for some IP
protocols, such as , ,
tcp udp
alphanumeric characters or dashes (-). The first character cannot be a
number.
hostname: You can use up to 252 alphanumeric characters, dashes (-), or
periods (.). The first character cannot be a period.
filter_extension: You can use 1-256 alphanumeric characters, spaces,
or '()+,/:=?;!*#@$_%.- characters.
Displays the route taken by packets to the specified destination. Use
to return to the prompt.
Ctrl+c
Displays the route taken by packets to the specified destination. Use
to return to the prompt.
Ctrl+c
Performs a packet capture that captures network traffic going through the
set interface(s). Studying these packet captures may help you identify
network problems.
The no command stops the running packet capture on the ZyWALL / USG.
Note: Use the packet-capture configure command to configure the
packet-capture settings before using this command.
Enters the sub-command mode.
Sets a time limit in seconds for the capture. The ZyWALL / USG stops the
capture and generates the capture file when either this period of time has
passed or the file reaches the size specified using the files-size
command below. 0 means there is no time limit.
. Use FTP to retrieve
345).
, and so on. The names consist of 1-16
icmp
5 9
/
379