From: Scott M Vermillion (scott_ccie_list@it-ag.com)
Date: Fri Mar 13 2009 - 20:01:43 ARST
>Maybe some of the 3x - 5x CCIEs on here know more.
David Prall (at least 3xCCIE last I knew but perhaps more by now) has
already confirmed what you've stated below...
On Mar 12, 2009, at 4:49 , Travis Niedens wrote:
> I think that 179 UDP is reserved by default for BGP as it already
> uses the TCP
> 179 port. I've looked through RFCs for BGP and didn't see anything
> - even
> BGMP uses TCP.
>
>
>
> http://www.rfc-archive.org/getrfc.php?rfc=4271&tag=A-Border-Gateway-Protocol-
> 4-%28BGP-4%29
>
>
>
> I did not touch every single RFC, but the ones that matter state
> that it is
> TCP. Maybe some of the 3x - 5x CCIEs on here know more.
>
>
>
> Travis
>
>> Date: Thu, 12 Mar 2009 22:09:50 +0000
>> Subject: BGP Port Numbers
>> From: ccieaz@googlemail.com
>> To: ccielab@groupstudy.com; cisco@groupstudy.com
>>
>> Hi,
>>
>> Looking at the DocCD here:
>>
>>
> http://www.cisco.com/en/US/docs/ios/qos/configuration/guide/clsfy_traffic_nba
> r_ps6350_TSD_Products_Configuration_Guide_Chapter.html#wp1056828
>>
>> It says BGP Port number "TCP/UDP 179".
>>
>> I always thought that BGP was purely TCP. Is it also UDP and i have
>> missed
>> something in my studies?
>>
>> Thanks
>>
>> Nick
>>
>>
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