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200-101 · Question #123

An administrator is troubleshooting a problem between routers that are using different versions of RIP. Which two commands would provide information about which version of RIP was being sent and recei

The correct answer is A. show ip protocols E. debug ip rip. Diagnosing a RIP version mismatch requires both a configuration-level view and a real-time packet-level view. 'show ip protocols' shows configured send/receive versions per interface, while 'debug ip rip' captures the actual version field in exchanged packets.

Troubleshoot Basic Connectivity

Question

An administrator is troubleshooting a problem between routers that are using different versions of RIP. Which two commands would provide information about which version of RIP was being sent and received on an interface? (Choose two.)

Options

  • Ashow ip protocols
  • Bshow ip route rip
  • Cshow interfaces
  • Ddebug ip rip routing
  • Edebug ip rip

How the community answered

(26 responses)
  • A
    88% (23)
  • C
    8% (2)
  • D
    4% (1)

Why each option

Diagnosing a RIP version mismatch requires both a configuration-level view and a real-time packet-level view. 'show ip protocols' shows configured send/receive versions per interface, while 'debug ip rip' captures the actual version field in exchanged packets.

Ashow ip protocolsCorrect

'show ip protocols' displays the RIP version configured to send and receive on each interface, directly revealing any mismatch between neighboring routers that could prevent route exchange.

Bshow ip route rip

'show ip route rip' lists only the routes installed in the routing table via RIP and contains no information about the RIP version in use on any interface.

Cshow interfaces

'show interfaces' reports Layer 1 and Layer 2 counters such as input errors and bandwidth but does not expose any routing protocol version information.

Ddebug ip rip routing

'debug ip rip routing' is not a valid Cisco IOS command - the correct commands are 'debug ip rip' and 'debug ip rip events'.

Edebug ip ripCorrect

'debug ip rip' outputs real-time RIP update messages including the version number carried in each packet, confirming whether the version advertised on the wire matches what the neighbor expects to receive.

Concept tested: RIP version troubleshooting using show and debug commands

Source: https://www.cisco.com/c/en/us/support/docs/ip/routing-information-protocol-rip/13788-3.html

Topics

#RIP versions#debug ip rip#show ip protocols#troubleshooting commands

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