Implement EIGRP operations

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These questions are derived from the Self Test Software Practice Test for Cisco exam #642-901 – Building Scalable Cisco Internetworks

 

Objective: Implement EIGRP operations
SubObjective: Verify or troubleshoot EIGRP routing configurations

Single Answer, Multiple Choice

 

Which commands will display the feasible successors, the feasible distance, and the advertised distance for networks learned by a router?

 

 

  1. show ip eigrp topology
  2. show ip route
  3. show bgp neighbors
  4. show ip bgp
  5. show ip route eigrp

 

Answer:
A. show ip eigrp topology

 

Tutorial:
To view the feasible successors, the feasible distance and the advertised distance, you would use the show ip eigrp topology command. A sample output of this command is below.

 

Router2#show ip eigrp topo
IP-EIGRP Topology Table for process 100

 

Codes: P – Passive, A – Active, U – Update, Q – Query, R – Reply,
r – Reply status

 

P 10.10.0.0/16, 1 successors, FD is 2169856
via Connected, Serial0
P 10.0.0.0/8, 1 successors, FD is 2169856
via Summary (2169856/0), Null0
P 10.20.0.0/16, 1 successors, FD is 2169856
via Connected, Serial1
P 65.0.0.0/8, 1 successors, FD is 2297856
via 10.20.0.1 (2297856/128256), Serial1
P 192.168.10.0/24, 1 successors, FD is 2297856
via 10.10.0.1 (2297856/128256), Serial0
P 130.10.0.0/16, 1 successors, FD is 2297856
via 10.20.0.1 (2297856/128256), Serial1
P 150.10.0.0/16, 1 successors, FD is 2297856
via 10.10.0.1 (2297856/128256), Serial0
P 200.10.10.0/24, 1 successors, FD is 128256
via Connected, Loopback1

 

The show ip route command and the show ip route eigrp command simply display the routing table which does not display the advertised distance.

 

Feasibile distance and advertised distance are EIGRP terms, and, therefore, do not apply to any BGP commands.

 

 

 

Reference:
For more information on the show ip eigrp topology command, go to the following web page:

http://www.cisco.com/en/US/products/sw/iosswrel/ps5187/products_command_reference_chapter09186a008017d02d.html#wp1042641

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