CERTIVIEW

Friday, 10 June 2016

CCNP R&S Question of the Week: Troubleshooting an EIGRP Problem

ccnpQoW01

When troubleshooting an EIGRP problem, you notice that two directly connected EIGRP routers are not forming an EIGRP relationship. A ping shows that the two routers can talk to each other. What is the next item that you should check?

A. Verify that the EIGRP hello and hold timers match.
B. Verify that EIGRP broadcast packets are not being.
C. Verify that EIGRP stub is configured on both routers.
D. Verify that EIGRP is enabled for the appropriate networks.

Reveal Answer

Answer: D.

OSPF requires that the timers match; EIGRP does not.  Also, the stub concept is a local feature to a router and also does not have to match.  EIGRP sends to a multicast or unicast, not broadcast.  We need to verify that the interfaces interconnecting the two routers are part of the EIGRP process.  Use the show ip eigrp interface command to see which interfaces are part of the process.

 

Related Courses
ROUTE – Implementing Cisco IP Routing v2.0
SWITCH – Implementing Cisco IP Switched Networks v2.0
TSHOOT – Troubleshooting and Maintaining Cisco IP Networks v2.0

Related Certification
CCNP Routing and Switching

CCNP R&S Question of the Week Series

  • CCNP R&S Question of the Week: IPv6
  • CCNP R&S Question of the Week: BGP Attribute
  • CCNP R&S Question of the Week: Gateway of Last Resort
  • CCNP R&S Question of the Week: Routing Protocols into OSPF
  • CCNP R&S Question of the Week: BPDU Guard
  • CCNP R&S Question of the Week: Private VLANs
  • CCNP R&S Question of the Week: Blocking to Forwarding State
  • CCNP R&S Question of the Week: FTP to HTTP
  • CCNP R&S Question of the Week: Alerts
  • CCNP R&S Question of the Week: Configuration Sequence
  • CCNP R&S Question of the Week: TCP Traffic
  • CCNP R&S Question of the Week: IPv4 and IPv6
  • CCNP R&S Question of the Week: clear ip route
  • CCNP R&S Question of the Week: IPv6 Traffic Filter Impact
  • CCNP R&S Question of the Week: EtherChannel
  • CCNP R&S Question of the Week: Interface FastEthernet0/1
  • CCNP R&S Question of the Week: Directly Connected CDP Devices
  • CCNP R&S Question of the Week: IPsec Modes
  • CCNP R&S Question of the Week: Troubleshooting an EIGRP Problem


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