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Which show command displays detailed information about a router’s BGP connections to neighboring routers?
- show ip bgp
- show ip bgp summary
- show ip bgp neighbors
- show ip bgp connections
Explanation:
The show ip bgp neighbors command will show you detailed information about all of the router’s neighbors or peers. A sample of the show ip bgp neighbors output is shown below. The sample utilizes the ip address parameter, which is optional, but can used to limit the output to display information about only one neighbor:
In the above example, router15 has sent out a BGP open packet to the peer at 10.5.1.6 and is listening for a connection request from the peer. This can be determined by the line that says BGP state = Active. It can also be determined that router has established a TCP connection two times, as evidenced by the line Connections established 2.
The show ip bgp command displays the contents of the BGP routing table. It will not display detailed information about a router’s BGP connections to neighboring routers.
The show ip bgp summary command displays a summary of the status of BGP connections. It will not display detailed information about a router’s BGP connections to neighboring routers.
There is no show ip bgp connections command.
Objective:
Layer 3 Technologies
Sub-Objective:
Describe, configure, and verify BGP peer relationships and authentication
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