Chapter 6

1: Which IOS command clears all BGP sessions on a Cisco router?
A1: clear ip bgp *.
2: Which IOS command is used to enable BGP4 on a Cisco router?
A2: router bgpas.
3: Example 6-82 displays the output from the show tcp brief command. How many BGP sessions are in use?
Example 6-82. show tcp brief
R2>show tcp brief
TCB       Local Address           Foreign Address        (state)
613EE508  131.108.255.6.11009     131.108.255.5.179      ESTAB
613ED584  131.108.255.2.11008     131.108.255.1.179      ESTAB
611654BC  161.108.1.1.23          131.108.255.1.11051    ESTAB
A3: There are two BGP TCP sessions (the foreign TCP port number is 179). Port 23 (local port) is used by Telnet.
4: Which path is chosen to the remote network 131.108.1.0/24 in Example 6-83?

Use Example 6-83 to answer questions 4-6. ...

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