Nortel Networks NN46110-602 manual CES#capture test-trigger start

Chapter 5 Packet capture 123

To create and use this capture object, you run commands like the ones illustrated in this example. These commands do the following:

1Create a capture object called test-trigger on Fast Ethernet interface 0/1.

2Enter Capture Configuration mode for the object.

3Set the start trigger to permit FTP.

4Set the stop trigger to permit Telnet.

5Exit Capture Configuration mode.

6Start the capture.

CES#capture add test-trigger fastethernet 0/1 CES#capture test-triggerCES(capture-ethernet)#trigger start "permit FTP" CES(capture-ethernet)#trigger stop "permit Telnet" CES(capture-ethernet)#exit

CES#capture test-trigger start

CES#

To view the status of the running capture object, as well as its configuration, use the show capture command. In this example, you can see that:

•The captured frames field indicates that the capture was triggered by the receipt of FTP traffic.

•The start trigger discards field shows the number of packets discarded before the start trigger was activated by the receipt of FTP traffic.

CES#show capture test-trigger

Capture state:	RUNNING
Capture buffer size:	1048576
Capture type:	ETHERNET
Capturing on interface:	FastEthernet 0/1
Promiscuous mode is:	DISABLED
Capturing MAX octets per frame:	4096
Captured frames:	107
Capture buffer utilization:	0%
Capturing direction:	BIDIRECTIONAL
Capture buffer wrapping:	DISABLED
Capture buffer wrapped:	FALSE
Start trigger applied:	permit FTP
Start trigger discards:	362
Stop trigger applied:	permit Telnet
CES#

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