arie, thank you for the explanation.
I have seen the PXF engine on the 7304/nse-100 cause out-of-order packet
for L2 protocols like VTP (and disabling PXF did remedied this), however
I was told that by TAC this was a bad idea. What we ended doing was use
VTP transparent mode (so VTP updates are not neeed) and enabling PXF.
Thanks again.
--
Regards,
Ge Moua
Network Design Engineer
University of Minnesota | OIT - NTS
2218 University Ave SE
--
On 01/19/2011 02:00 PM, Arie Vayner (avayner) wrote:
The comment for disabling PXF was meant specifically for 7401, as I am
quite sure there are no PXF enhancements for the AToM functionality on
this platform (it is an old end of life box).
The 7304 is a different animal, and you should not consider this comment
relevant (I am not really sure what is implemented on 7304 in PXF, but
again - a different kind of animal)
Arie
-----Original Message-----
From: Ge Moua [mailto:[email protected]]
Sent: Wednesday, January 19, 2011 20:29
To: Arie Vayner (avayner); cisco_nsp
Subject: Re: [c-nsp] EoMPLS on 7401ASR
the comment about
"disable PXF when testing"
I thought the PXF engine was suppose to allow more cef-like switching
for things like xconnect pseudowires. Is it generally a bad idea to
disable this? I'm asking because we have 7304 w/NSE-100 engines (with
PXF enabled).
Any feedback would be appreciated.
--
Regards,
Ge Moua
Network Design Engineer
University of Minnesota | OIT - NTS
2218 University Ave SE
--
On 01/19/2011 12:02 PM, Arie Vayner (avayner) wrote:
Jeroen,
The 7400 has reached Last Day of Support on December 2009, so I do not
really believe it is on any support contract with Cisco...
http://www.cisco.com/en/US/prod/collateral/routers/ps354/prod_end-of-lif
e_notice0900aecd8010d319.html
Anyway, I can see on the download tool that 12.4(15)T is available for
this platform. I am quite sure it would have at least basic AToM
functionality (not 100% sure)...
Don't forget to disable PXF when testing...
Arie
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Jeroen van
Ingen
Sent: Wednesday, January 19, 2011 18:35
To: [email protected]
Subject: [c-nsp] EoMPLS on 7401ASR
Hi,
I've been experimenting with AToM (mainly EoMPLS) in a lab situation
and
I'd like to make my test network a bit larger, but the only extra
hardware that I have available are old 7400 boxen (7401ASR).
Now according to the Software Advisor and the docs on AToM, the 7400
should support this feature starting from IOS 12.2(14)S. However the
images that Software Advisor lists can't be downloaded.
I understand that it this old stuff might be full of bugs (considering
the track record of 7400/PXF and the age of this image), but does
anyone
happen to have a compatible IOS image in their archives? Preferably
c7400-k91p-mz.12.2-14.S8 but I guess any c7400-*12.2*.S* will do.
By the way, our 7400 are still under a maintenance contract, but the
distributor is having a hard time getting this image (TAC couldn't
find
it for them, if I understood correctly). Since the reach of this list
is
much greater I was hoping that someone would happen to have this image
in their archives...
Regards,
Jeroen van Ingen
ICT Service Centre
University of Twente, P.O.Box 217, 7500 AE Enschede, The Netherlands
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