CCNP TSHOOT 6.0 - Cisco Learning Home
CCNP TSHOOT 6.0 - Cisco Learning Home
CCNP TSHOOT 6.0 - Cisco Learning Home
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<strong>CCNP</strong>v6 <strong>TSHOOT</strong><br />
Section 2 Troubleshooting Reference Information<br />
General Troubleshooting Process<br />
As a general guideline, you can use the following general troubleshooting process described in the course.<br />
1. Define the problem (symptoms).<br />
2. Gather information.<br />
3. Analyze the information.<br />
4. Propose a hypothesis (possible cause).<br />
5. Test the hypothesis.<br />
6. Eliminate or accept the hypothesis.<br />
7. Solve the problem.<br />
8. Document the problem.<br />
Command Summary<br />
The table lists useful commands for this lab. The sample output is shown on following pages.<br />
Command Key Information Displayed<br />
show ip inspect sessions<br />
show ip inspect config<br />
show ip inspect interfaces<br />
show access-lists ACL#/name<br />
show vlan access-map<br />
show vlan filter<br />
show clock<br />
show ntp associations<br />
show ntp status<br />
Displays established sessions with the source IP address and<br />
port number, protocol name, and destination IP address and<br />
port number.<br />
Displays inspection rule configuration information, including<br />
rule name, session parameters, and protocols being<br />
inspected.<br />
Displays interfaces configured for inspection and<br />
inbound/outbound inspection rules, if set, and<br />
inbound/outbound access lists, if applied. Also displays<br />
protocols being inspected.<br />
Displays all ACLs configured on a device, including the ACL<br />
number and name, the type of ACL (standard or extended),<br />
the statements in each ACL, and the number of matches<br />
accumulated for each statement.<br />
Displays the name of any configured VLAN access maps,<br />
including the match clauses in each. An implied deny all<br />
match clause is in effect at the end of the access map.<br />
Displays the name of any configured VLAN access maps and<br />
the VLANs for which they are filtering traffic.<br />
Displays the time and date kept by the device internal clock.<br />
Displays the configured NTP server IP address, reference<br />
clock in use, stratum level, and sync status.<br />
Displays the clock synchronization status, stratum level, and<br />
reference clock IP address. Also shows the number of<br />
seconds since the last update was received from the<br />
reference clock.<br />
All contents are Copyright © 1992–2010 <strong>Cisco</strong> Systems, Inc. All rights reserved. This document is <strong>Cisco</strong> Public Information. Page 9 of 16
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