td_miles at yahoo
Feb 22, 2009, 5:46 PM
Post #2 of 2
Re: Help with debug commands to diagnose ADSL subscribers not connecting to a non-existent VRF
[In reply to]
The commands I have used in the past to see which VRF DSL conections are going into are:
deb aaa authentication
deb aaa per-user
deb ppp authentication
deb ppp negotiation
deb vpdn event
They're probably not all required, I suspect VPDN & vtemplate should show you what you need.
--- On Mon, 23/2/09, Andy Saykao <andy.saykao [at] staff> wrote:
> From: Andy Saykao <andy.saykao [at] staff>
> Subject: [c-nsp] Help with debug commands to diagnose ADSL subscribers not connecting to a non-existent VRF
> To: cisco-nsp [at] puck
> Date: Monday, 23 February, 2009, 11:30 AM
> Hi There,
> I'm trying to debug ppp packets on our LNS (NAS) for
> ADSL subscribers
> when the VRF is not yet configured on the LNS.
> When I set a bogus (non-existent) VRF in the Radius flat
> file, I woud
> like to see what debug error messages appear on the LNS (if
> vpntest3 Password = "network"
> Service-Type = Framed-User,
> Framed-Protocol = PPP,
> Framed-Address = 10.15.100.4,
> Framed-Netmask = 255.255.255.255,
> cisco-avpair="ip:route=vrf Avpn-dummy
> 192.168.1.0 255.255.255.0
> Here we've got a VRF Avpn-dummy that has not been
> configured on the LNS
> which results in the ADSL connection failing to connect.
> I've got the follow debug running on the LNS.
> lns5-mel#sh debug
> PPP protocol errors debugging is on
> PPP protocol negotiation debugging is on
> PPP packet display debugging is on
> Radius protocol debugging is on
> Radius packet protocol debugging is on
> Condition 1: username vpntest3 [at] dbtes (0 flags triggered)
> Feb 23 11:12:10.618 AEDT: vpntest3 [at] dbtes Debug: Condition
> 1, username
> vpntest3 [at] dbtes triggered, count 1
> Feb 23 11:12:10.630 AEDT: vpntest3 [at] dbtes Debug: Condition
> 1, username
> vpntest3 [at] dbtes cleared, count 0
> I am seeing the condition being met, but obviously I would
> like more
> information as to what the error is.
> I would have thought a "debug ppp negotiation"
> would help me out, but
> it's not displaying anything.
> Are there any other debug commands I've missed ???
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