[cisco-bba] VPDN session stuck in wiccn state ?
andy.saykao at staff.netspace.net.au
Thu Mar 26 19:54:49 EDT 2009
Yes we are using lcp renegotiation in the VPDN config (see below).
terminate-from hostname <Provider_Name>
lcp renegotiation on-mismatch
l2tp tunnel password <password>
l2tp tunnel receive-window 100
l2tp tunnel retransmit timeout min 2
This is the same VPDN config we use for a few other Providers which we
aren't seeing the same problem with.
Netspace Online Systems Pty Ltd
Phone : 03 9811 0049
Mobile : 0401 422 406
Fax : 03 9811 0044
E-Mail : andy.saykao at staff.netspace.net.au
<blocked::mailto:andy.saykao at staff.netspace.net.au>
From: raghuram chary [mailto:raghujindia at gmail.com]
Sent: Thursday, 26 March 2009 8:05 PM
To: Andy Saykao
Cc: cisco-bba at puck.nether.net; Tony
Subject: Re: [cisco-bba] VPDN session stuck in wiccn state ?
WICCN is a WAIT ICCN state ,its one of the state in l2tp negotiations.
Have you tried configuring lcp renegotiation ?
Which router are you using?
As you have shifted to more power LNS,I believe there is a configuration
SAVE TREES..GO GREEN
On Thu, Mar 26, 2009 at 7:13 AM, Tony <td_miles at yahoo.com> wrote:
No problems, althought I don't think I actually helped any.
I'd appreciate if you could let us (list) know what the solution
is when you get it sorted.
--- On Thu, 26/3/09, Andy Saykao
<andy.saykao at staff.netspace.net.au> wrote:
> From: Andy Saykao <andy.saykao at staff.netspace.net.au>
> Subject: RE: [cisco-bba] VPDN session stuck in wiccn state ?
> To: "Tony" <td_miles at yahoo.com>, cisco-bba at puck.nether.net
> Date: Thursday, 26 March, 2009, 12:24 PM
> Much appreciate your help Tony.
> Not sure if it's from all their LAC's or a subset, but will
> keep this in
> Andy Saykao
> Systems Administrator
> Netspace Online Systems Pty Ltd
> Phone : 03 9811 0049
> Mobile : 0401 422 406
> Fax : 03 9811 0044
> E-Mail : andy.saykao at staff.netspace.net.au
> -----Original Message-----
> From: Tony [mailto:td_miles at yahoo.com]
> Sent: Thursday, 26 March 2009 12:18 PM
> To: cisco-bba at puck.nether.net;
> Andy Saykao
> Subject: RE: [cisco-bba] VPDN session stuck in wiccn state
> Hi Andy,
> I've pretty much out of ideas now then, sorry :(
> If you've opened a case with TAC, you may just have to wait
> for them to
> sort it out with you. I would press them to find out what
> that state of
> "wiccn" means.. If it's not a valid state, then it's coming
> from within
> the IOS code somewhere and they should be able to trace it
> and find
> where. Keep requesting escalations on your case until it
> gets to someone
> who knows/cares.
> You could try downgrading to a different IOS, unless you
> definitely need
> something in the special release you are using to make it
> If it's only tunnels from one provider, is it from all of
> their LAC, or
> a subset of their LAC ?
> --- On Thu, 26/3/09, Andy Saykao
<andy.saykao at staff.netspace.net.au>
> > From: Andy Saykao <andy.saykao at staff.netspace.net.au>
> > Subject: RE: [cisco-bba] VPDN session stuck in
> wiccn state ?
> > To: "Tony" <td_miles at yahoo.com>,
> cisco-bba at puck.nether.net
> > Date: Thursday, 26 March, 2009, 11:56 AM
> > Hi Tony,
> > Thank you for your reply.
> > > One thing I can see from your output is that all
> > the sessions with
> > this state are on the same tunnel (TunID: 21116). Do
> you have any
> > other sessions that are working on this same tunnel ?
> > Yes there are valid sessions on the tunnel.
> > > Is it happening across all of your LNS, or just
> one ?
> > When you
> > upgraded did you change IOS ? What IOS version are you
> running ? Have
> > you tried a different IOS ? Does a reboot fix the
> problem ?
> > It's happening across all of our LNS's. We've been
> working extensively
> > with Cisco to get these LNS's up and running and using
> a special
> > engineering release from the 12.2(33) train. No, we
> have not tried a
> > different IOS given that we've been working with Cisco
> on getting this
> > far already.
> > A reboot fixes the problem temporarily but when we
> arrive the next
> > day, there's a whole bunch of sessions waiting for us
> stuck in this
> > "wiccn"
> > state.
> > > Did the LAC provider ("T" or "O" ?) have to
> > anything on their
> > > end as part of the changes ? They will always say
> > everything is
> > > ok, doesn't mean it is :)
> > We terminate a few tunnels from a variety of Service
> Providers on
> > these LNS's and are currently only having issues with
> one provider
> > where we encounter this problem.
> > Cheers.
> > Andy
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