bgp

Question 1

what port does bgp use?

Answer 1

tcp 179

Question 2

how do you configure
bgp asn 300
neighbor 2.2.2.2 asn 400

Answer 2

router bgp 300

bgp 2.2.2.2 remote-as 400

Question 3

which show commands can we use for bgp verification?

Answer 3

show tcp brief (neighbor communication)

show ip bgp summary

Question 4

in show ip bgp summary what are the implications of the Idle status?

Answer 4

bgp ip address shutdown is configured or

the router is waiting for the next tcp retry

Question 5

in show ip bgp summary what are the implications of the Connect state?

Answer 5

the tcp connection is being established but is not complete

Question 6

in show ip bgp summary what are the implications of the Active state?

Answer 6

Tcp connection is complete but no BGP messages have been sent yet

Question 7

in show ip bgp summary what are the implications of the Opensent state?

Answer 7

Tcp established and the local router has sent the open message

Question 8

in show ip bgp summary what are the implications of the Openconfirm state?

Answer 8

TCP ia established and an open message has been recieved

Question 9

in show ip bgp summary what are the implications of the Established state?

Answer 9

the routers are bgp neibors and can exchange updates

Question 10

what is the ebgp and ibgp administrative distances?

Answer 10

ebgp: 20
ibgp: 200