[rbak-nsp] CLIPS and DHCP

Marcin Kuczera marcin at leon.pl
Thu Oct 13 10:59:22 EDT 2011


Alexandre Chapellon wrote:
> 
> 
> Le 12/10/2011 13:03, Arjan Van Der Oest a écrit :
>> On 12 okt. 2011, at 11:42, Alexandre Chapellon wrote:
>>
>>> Wich leads me to the conclusion the subscriber should not access the
>>> network anymore. Unfortuantely, on the CPE side, I can still ping
>>> internet adresses and browse the web.
>>> How comes? Is it because of CLIPS itself being connection-less? Is there
>>> something special to send in the CoA request? Is there any alternative
>>> to shut network access for a specific subscriber using CLIPS?
>>
>> Maybe a silly question, but did you prevent that subscriber from 
>> re-entering the network before CoA'ing him/her? When you send the CoA 
>> disconnect and have a ping running, do you see an interrupt in the 
>> replies?
>>
> Not that silly :)!
> In fact no I didn't prevent the user from re-entering the network. But I 
> also didn't see any new authentication request following the CoA. The 
> next authentication happens when DHCP release expires (one hour for my 
> tests).

It looks, that on subscriber circuit you have:
service clips
bind interface (where ip interface for clips is running)

Can you drop us your dot1q pvc config and ip interface name ?

After disconnecting subscriber via CoA, what can you see when you do 
show subscriber username 'MAC' ??

Regards,
Marcin


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