[c-nsp] L2TP IP TOS Reflect

Fri May 4 07:49:07 EDT 2012

Hi,

I found the bug below but have struggled to find the previous
information relating specifically to the 7200 and 7300 platforms:

CSCtj37698 

Symptoms: Cisco IOS 10000 Series routers that are acting as VPDN
multihop, reset the TOS value to 0 when the ip tos reflect command is
applied to the VPDN tunnel to LAC. This occurs downstream from LNS to
the LAC. 

Conditions: This symptom occurs under a normal VPDN configuration. 

Workaround: There is no workaround. 

From: ar [mailto:ar_djp at yahoo.com] 
Sent: 04 May 2012 10:12
To: Steve McCrory; sledge121 at gmail.com
Cc: cisco-nsp
Subject: Re: [c-nsp] L2TP IP TOS Reflect

7206 Version 12.2(31)SB16

7206 Version 12.2(31)SB14

Any suggestion on best/updated 7200 IOS for L2TP/MPLS functionality?

________________________________

From: Steve McCrory <smccrory at gcicom.net>
To: ar <ar_djp at yahoo.com>; sledge121 at gmail.com 
Cc: cisco-nsp <cisco-nsp at puck.nether.net> 
Sent: Friday, May 4, 2012 1:43 AM
Subject: RE: [c-nsp] L2TP IP TOS Reflect

Hi,

What models are you using in your platform?

I believe that there is a limitation with this feature on 7200/7300
routers in an LTS/LNS environment 

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of ar
Sent: 03 May 2012 15:24
To: sledge121 at gmail.com
Cc: cisco-nsp
Subject: Re: [c-nsp] L2TP IP TOS Reflect

Thanks Richard.

This is at the LAC level right?
What about at LNS for the inbound (Client download) traffic?

________________________________
From: Richard Clayton <sledge121 at gmail.com>
To: ar <ar_djp at yahoo.com> 
Cc: cisco-nsp <cisco-nsp at puck.nether.net> 
Sent: Thursday, May 3, 2012 6:11 PM
Subject: Re: [c-nsp] L2TP IP TOS Reflect

This is my config and it works fine

vpdn-group 1
request-dialin
protocol l2tp
domain me.com
initiate-to ip 192.168.50.50
local name me
l2tp tunnel password 0 password
l2tp tunnel receive-window 10
ip tos reflect

On 3 May 2012 10:54, ar <ar_djp at yahoo.com> wrote:

 Anyone tried this in l2tp?
>"ip tos reflect" seems to be not working....
>
>sample config:vpdn-group 1
>accept-dialin
>protocol l2tp
>virtual-template 1
>terminate-from hostname althea
>local name bertha
>l2tp ip tos reflect
>
>any workarounds?
>_______________________________________________
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