Re: Cisco Traceroute and UDP src port range.

Google "cisco traceroute port site:cisco.com"

http://www.cisco.com/en/US/tech/tk364/technologies_tech_note09186a00801ae32a.shtml

A max isn't listed, so I suppose it would depend on how many probes you
sent out!

*Scott Morris*, CCIE/x4/ (R&S/ISP-Dial/Security/Service Provider) #4713,

JNCIE-M #153, JNCIS-ER, CISSP, et al.

JNCI-M, JNCI-ER

smorris_at_internetworkexpert.com

Internetwork Expert, Inc.

http://www.InternetworkExpert.com

Toll Free: 877-224-8987

Outside US: 775-826-4344

Knowledge is power.

Power corrupts.

Study hard and be Eeeeviiiil......

CCIE RS wrote:
> HI Guys,I am wondering if you came across any document form
> CISCO which talks about UDP src ports being used by the router traceroute.
>
> I have turned on router debugs and noticed it uses src ports starting form
> 33434 and keeps incrementing it.
> I even came across docs on the internet that the range is 33434-33534, but i
> need a Cisco document to confirm this.
> Any ideas will be appreciated.
> Thanks!
> CC13RS.
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Thu Apr 30 2009 - 23:32:31 ART