these colon indicates the port no. which is assigned by the window automat

R1#sh ip nat translations
Pro Inside global Inside local Outside local
Outside global
icmp 15.1.1.1:11 10.1.1.1:11 30.1.1.1:11
30.1.1.1:11
icmp 15.1.1.1:12 10.1.1.1:12 20.1.1.1:12
20.1.1.1:12
icmp 15.1.1.1:13 10.1.1.1:13 21.1.1.1:13
21.1.1.1:13
icmp 15.1.1.1:14 10.1.1.1:14 31.1.1.1:14
31.1.1.1:14
R1#

So my question is that after every ip address [:] is used &
some number. 15.1.1.1{:11}... what is this colon & number
indicate.

Can anyone tel me this..!!!

Thanking you advance.
Shahin

Question Posted / jatin

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Answer Posted / jatin

these colon indicates the port no. which is assigned by the
window automaticaly for example 10.1.1.1:14 in this ip
address 14 is the source port no.

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