ICMP type 14 (:14) is a timestamp response. Type 13 (:13) is a timestamp
request, with 14 being the response.
Hope that helps.
Regards,
Jay McMickle- CCIE #35355 (RS), 3x CCNP (RS,Security,Design)
Sent from my iPhone
On Sep 16, 2012, at 8:31 AM, Ben Shaw <[email protected]> wrote:
> Hi All
>
> I'm curious about something I am seeing with NAT.
>
> I have the following NAT statement configured in IOS translating the entire
> network
>
> ip nat inside source static network 10.45.45.0 10.4.4.0 /24
>
> Now when I perform the following ping from another host it is successful and
> creates the the NAT translations shown further down
>
> R6#ping 10.4.4.4
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 10.4.4.4, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 40/57/68 ms
>
> R4#show ip nat trans
> Pro Inside global Inside local Outside local Outside global
> icmp 10.4.4.4:14 10.45.45.4:14 54.54.54.6:14 54.54.54.6:14
> --- 10.4.4.4 10.45.45.4 --- ---
> --- 10.4.4.0 10.45.45.0 --- ---
>
> What I am curious about is what is the :14 referring to in the above
> translation list. Considering it is ICMP I don't believe it is a port so can
> anyone enlighten me?
>
> Thanks
> Ben
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_______________________________________________
For more information regarding industry leading CCIE Lab training, please visit
www.ipexpert.com
Are you a CCNP or CCIE and looking for a job? Check out
www.PlatinumPlacement.com
