Cisco
200-301 · Question #566
Refer to the exhibit. An engineer assumes a configuration task from a peer. Router A must establish an OSPF neighbor relationship with neighbor 172.1.1.1. The output displays the status of the adjacen
The correct answer is A. Configure router A to use the same MTU size as router B.. In Exstart/Exchange State, when attempting to run OSPF between a Cisco router and another vendor's router. If the router with the higher MTU sends a packet larger that the MTU set on the neighboring router, the neighboring router ignores the packet.
Submitted by ricky.ec· Mar 5, 2026IP Connectivity
Question
Refer to the exhibit. An engineer assumes a configuration task from a peer. Router A must establish an OSPF neighbor relationship with neighbor 172.1.1.1. The output displays the status of the adjacency after 2 hours. What is the next step in the configuration process for the routers to establish an adjacency?
Options
- AConfigure router A to use the same MTU size as router B.
- BSet the router B OSPF ID to a nonhost address.
- CConfigure a point-to-point link between router A and router B.
- DSet the router B OSPF ID to the same value as its IP address
How the community answered
(45 responses)- A60% (27)
- B11% (5)
- C22% (10)
- D7% (3)
Explanation
In Exstart/Exchange State, when attempting to run OSPF between a Cisco router and another vendor's router. If the router with the higher MTU sends a packet larger that the MTU set on the neighboring router, the neighboring router ignores the packet.
Topics
#OSPF adjacency#OSPF troubleshooting#MTU settings
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