http://mars.merhot.dk/w/index.php?action=history&feed=atom&title=CCNP_TSHOOT_642-832%2FChapter_4
CCNP TSHOOT 642-832/Chapter 4 - Revision history
2026-04-30T16:21:49Z
Revision history for this page on the wiki
MediaWiki 1.29.0
http://mars.merhot.dk/w/index.php?title=CCNP_TSHOOT_642-832/Chapter_4&diff=12313&oldid=prev
Heth: New page: {{Template:In progress}} __TOC__ =VLAN Troubleshooting= ==Layer 2 reviewing== ===ARP=== *show mac-addresses <source lang=cli> SW1#<input>show mac-address-table</input> Mac Addre...
2010-06-15T05:31:59Z
<p>New page: {{Template:In progress}} __TOC__ =VLAN Troubleshooting= ==Layer 2 reviewing== ===ARP=== *show mac-addresses <source lang=cli> SW1#<input>show mac-address-table</input> Mac Addre...</p>
<p><b>New page</b></p><div>{{Template:In progress}}<br />
<br />
__TOC__<br />
=VLAN Troubleshooting=<br />
==Layer 2 reviewing==<br />
===ARP===<br />
*show mac-addresses<br />
<source lang=cli><br />
SW1#<input>show mac-address-table</input><br />
Mac Address Table<br />
-------------------------------------------<br />
<br />
Vlan Mac Address Type Ports<br />
---- ----------- -------- -----<br />
All 0100.0ccc.cccc STATIC CPU<br />
All 0100.0ccc.cccd STATIC CPU<br />
<notice>...OUTPUT OMITTED...</notice><br />
1 001b.0cba.4f99 DYNAMIC Gi0/9<br />
1 001b.2a32.2e99 DYNAMIC Gi0/5<br />
1 0021.5a7c.5549 DYNAMIC Gi0/4<br />
1 00a0.d1e6.60b4 DYNAMIC Gi0/22<br />
41 0014.f273.96c0 DYNAMIC Gi0/7<br />
<notice>...OUTPUT OMITTED...</notice><br />
41 001b.0cb6.9141 DYNAMIC Gi0/7<br />
41 001b.0cba.4fc1 DYNAMIC Gi0/9<br />
41 001b.2a32.2ec1 DYNAMIC Gi0/5<br />
12 001f.297d.3460 DYNAMIC Gi0/2<br />
20 00a0.c543.035d DYNAMIC Gi0/6<br />
22 0003.47ca.d67c DYNAMIC Gi0/7<br />
22 000c.296c.1120 DYNAMIC Gi0/12<br />
24 0016.769f.ff4e DYNAMIC Gi0/8<br />
28 0013.2085.a1fe DYNAMIC Gi0/9<br />
28 0013.2085.c447 DYNAMIC Gi0/9<br />
<notice>...OUTPUT OMITTED...</notice><br />
</source><br />
===Troubleshooting layer 2===<br />
*Hardware issues (move cable to good port)<br />
*VLAN configuration.<br />
**Inter-VLAN traffic must be routed<br />
*Trunk configuration<br />
**Same trunkprotocol (DOT1Q,ISL)<br />
**Same Native VLAN<br />
==Layer 2 Troulshooting techniques== <br />
{{Source cli}}</div>
Heth