AW: (RADIATOR) Some users got connected without IP in NAS.

Martin Wallner Martin.Wallner at eunet.co.at
Sat Aug 12 17:03:05 CDT 2006


Are you using dynamic IP pool? If yes, are you using the pool on the router or do you let RADIATOR do the dirty deed of giving out IP-Adresses?
 
IMHO the best way is to let the router deal with the dynamic IP's.... 
 
On a CISCO router it sometimes happens that the user don't get a dynamic IP-Address when the PPP Negotiation takes too long or the client demands an IP Address the router is not willing to give (we had some time ago a 64k dial in demanding our main DNS servers address... brrr :-), so client and router couldn't agree on an address, and the connection stays LCP up/negotiating for a bit.... in the 'show user' on a cisco it's shown as a virtual interface without an IP..... 
 
Another possibility is, that the router runs out of dynamic IP-Adresses... (all used), that is easyly checked by a 'sh ip local pool' ... if yes, just add some more addresses to the pool - you can do that on the fly...)
 
If RADIATOR gives out the (dynamic) addresses, it can be that some addresses are not stored in the database, and RADIATOR dishes out the addresses twice... making a mess on the router... (that's why I don't like the Idea of Radiator giving out the Addresses, makes the router more vulnerable to such errors...)
 
=mw=
 

________________________________

Von: owner-radiator at open.com.au im Auftrag von Nayeem (ZajilCom)
Gesendet: Sa 12.08.2006 22:21
An: radiator at open.com.au
Betreff: (RADIATOR) Some users got connected without IP in NAS.



Dear All,

Presently I'm facing problem that when ever I restart radius then some users
got connected without IP address in NAS, so what could be the reason that
users didn't get IP in NAS?

I check the trace 4 logs also but could not find this problem.

Thanks,

Regards,
Nayeem.

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