Mailing List Archive: PPPOE/PPPOA Duplicated address issue

PPPOE/PPPOA Duplicated address issue

Feb 25, 2007, 6:56 AM

Post #1 of 4 (3651 views)

Dear All,

I have one Cisco gear (7204-VXR NPE-300)used to terminate around 1500 PPPOA
and PPPOE ADSL customers, but Decide to replace it by Cisco7206-VXR NPE-G1
for more bandwidth and sessions, but we faced a very weird behavior, the
customers login and authenticated with the Radius but they assigned the same
IP address!!!!! and there is nothing wrong appears on the Radius log, so any
advice??

Note: i had change the IOS to different releases

12.3-8-T11
12.3-22
12.4-T10

G1#sh users
Line User Host(s) Idle Location
* 0 con 0 admin idle 00:00:00

Interface User Mode Idle Peer Address
Vi4 test3 PPPoE 00:07:40 x.x.x.102
Vi5 test2 PPPoE 00:07:39 x.x.x.173
Vi6 test1 PPPoE 00:07:36 x.x.x.102
--
Best Reagrds,
Mounir Mohamed

Re: PPPOE/PPPOA Duplicated address issue [ In reply to ]

gaurav at inwire

Feb 25, 2007, 7:38 AM

Post #2 of 4 (3500 views)

Permalink

Mounir,

debug radius

and see what the router is getting from the radius server? If the IP
address assigment is coming from the radius server, the router won't
interfere until and unless it has been configured to do so.

Regards,
- Gaurav
on 02/25/2007 03:56 PM Mounir Mohamed said the following:
> Dear All,
>
> I have one Cisco gear (7204-VXR NPE-300)used to terminate around 1500
> PPPOA and PPPOE ADSL customers, but Decide to replace it by
> Cisco7206-VXR NPE-G1 for more bandwidth and sessions, but we faced a
> very weird behavior, the customers login and authenticated with the
> Radius but they assigned the same IP address!!!!! and there is nothing
> wrong appears on the Radius log, so any advice??
>
> Note: i had change the IOS to different releases
>
> 12.3-8-T11
> 12.3-22
> 12.4-T10
>
> G1#sh users
> Line User Host(s) Idle Location
> * 0 con 0 admin idle 00:00:00
>
> Interface User Mode Idle Peer Address
> Vi4 test3 PPPoE 00:07:40 x.x.x.102
> Vi5 test2 PPPoE 00:07:39 x.x.x.173
> Vi6 test1 PPPoE 00:07:36 x.x.x.102
> --
> Best Reagrds,
> Mounir Mohamed
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Re: PPPOE/PPPOA Duplicated address issue [ In reply to ]

mounir.mohamed at gmail

Feb 25, 2007, 8:22 AM

Post #3 of 4 (3512 views)

Permalink

Dear Gaurav,

The router doesn't interfere in the Address assigment, but the main issue is
the that the old router (VXR-NPE300) working fine with the Radius since 2
years, the problem only appears when replace it with the new one!!!

On 2/25/07, Gaurav Sabharwal <gaurav@inwire.net> wrote:
>
> Mounir,
>
> debug radius
>
> and see what the router is getting from the radius server? If the IP
> address assigment is coming from the radius server, the router won't
> interfere until and unless it has been configured to do so.
>
> Regards,
> - Gaurav
> on 02/25/2007 03:56 PM Mounir Mohamed said the following:
> > Dear All,
> >
> > I have one Cisco gear (7204-VXR NPE-300)used to terminate around 1500
> > PPPOA and PPPOE ADSL customers, but Decide to replace it by
> > Cisco7206-VXR NPE-G1 for more bandwidth and sessions, but we faced a
> > very weird behavior, the customers login and authenticated with the
> > Radius but they assigned the same IP address!!!!! and there is nothing
> > wrong appears on the Radius log, so any advice??
> >
> > Note: i had change the IOS to different releases
> >
> > 12.3-8-T11
> > 12.3-22
> > 12.4-T10
> >
> > G1#sh users
> > Line User Host(s) Idle Location
> > * 0 con 0 admin idle 00:00:00
> >
> > Interface User Mode Idle Peer Address
> > Vi4 test3 PPPoE 00:07:40 x.x.x.102
> > Vi5 test2 PPPoE 00:07:39 x.x.x.173
> > Vi6 test1 PPPoE 00:07:36 x.x.x.102
> > --
> > Best Reagrds,
> > Mounir Mohamed
>

--
Best Reagrds,
Mounir Mohamed

Re: PPPOE/PPPOA Duplicated address issue [ In reply to ]

ariev at vayner

Feb 25, 2007, 8:50 AM

Post #4 of 4 (3516 views)

Permalink

Try running "debug radius" and see what you get... Try to compare the same
debug between the two versions/platforms Arie