CCNP TSHOOT 6.0 - Cisco Learning Home

CCNPv6 TSHOOT
show standby brief
show ip eigrp interfaces
show ip eigrp neighbors
show ip eigrp topology ip-addr
net-mask
debug eigrp packets
debug ip eigrp as# neighbor ip-addr
debug ip eigrp
Lab 5-1 Sample Troubleshooting Flows
Verify active and standby roles and IP addresses for all
VLANs on an HSRP router.
Displays interfaces that are participating in the EIGRP
routing process. An interface does not need to be
operational to be listed in the output.
Displays the EIGRP neighbor table to verify that all
expected neighbor relationships are operational.
Displays the EIGRP topology, which contains all routes
that were received from all neighbors for a particular prefix.
Displays real-time messages exchanged between EIGRP
routers. Caution: Produces large amounts of output.
Displays real-time messages exchanged for a particular
neighbor.
Displays the processing of routing events by the router.
Caution: Produces large amounts of output.
Troubleshooting IP Connectivity
The figure illustrates an example of a method that you could follow to diagnose and resolve problems related to IP
connectivity.
Sample Layer 3 Troubleshooting Flow
No end-toend
Layer 3
connectivity
Verify through ping
and traceroute
Track Layer
3 path
between
devices
Analyze packet
captures
Investigate
points where
routes are
missing
Investigate
points where
packets are
dropped
© 2009 Cisco Systems, Inc. All rights reserved. TSHOOT v1.0—46
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