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Nexus Switching 2nd Edition

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switch’s bootflash. This file could then be copied off of the switch for analysis.<br />

The embedded analyzer defaults to capturing 100 frames, but this can be changed by using<br />

the limit-captured-frames comm<strong>and</strong> (refer to Example 7-28).<br />

Example 7-28. Limiting the Number of Captured Frames<br />

Click here to view code image<br />

CMHLAB-N5K1# ethanalyzer local interface inbound-hi<br />

display-filter "stp" limit-captured-frames<br />

20 write bootflash:stp1.pcap<br />

Capturing on eth4<br />

Frame 2 (68 bytes on wire, 68 bytes captured)<br />

Arrival Time: Mar 1, 2010 11:21:39.881854000<br />

[Time delta from previous captured frame: 0.075555000<br />

seconds]<br />

[Time delta from previous displayed frame:<br />

1267442499.881854000 seconds]<br />

[Time since reference or first frame:<br />

1267442499.881854000 seconds]<br />

Frame Number: 2<br />

Frame Length: 68 bytes<br />

Capture Length: 68 bytes<br />

[Frame is marked: False]<br />

[Protocols in frame: eth:vlan:llc:stp]<br />

Ethernet II, Src: 00:0d:ec:d3:86:30 (00:0d:ec:d3:86:30),<br />

Dst: 01:00:0c:cc:cc:cd<br />

(01:00:0c:cc:cc:cd)<br />

Destination: 01:00:0c:cc:cc:cd (01:00:0c:cc:cc:cd)<br />

Address: 01:00:0c:cc:cc:cd (01:00:0c:cc:cc:cd)<br />

.... ...1 .... .... .... .... = IG bit: Group<br />

address (multicast/broadcast)<br />

.... ..0. .... .... .... .... = LG bit: Globally<br />

unique address (factory<br />

default)<br />

Source: 00:0d:ec:d3:86:30 (00:0d:ec:d3:86:30)<br />

Address: 00:0d:ec:d3:86:30 (00:0d:ec:d3:86:30)<br />

.... ...0 .... .... .... .... = IG bit: Individual<br />

address (unicast)<br />

.... ..0. .... .... .... .... = LG bit: Globally<br />

unique address (factory<br />

default)<br />

Type: 802.1Q Virtual LAN (0x8100)<br />

802.1Q Virtual LAN<br />

111. .... .... .... = Priority: 7

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