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Webcast-Catalyst9k
New Member

Limiting number of PPPoE login requests

Hi, we are using a 7206 for terminating PPPoE users. We got a problem that when there is outage at telco's concentrators, our radius can't handle all authenticate request as all the PPPoE users re-dial together. Is there any way to limit the number of PPPoE login request in centain time interval? Say 100 login request in 5 seconds. Thanks.

3 REPLIES
Hall of Fame Super Gold

Re: Limiting number of PPPoE login requests

Hi,

I'm not sure if there is such a feature (quite possible), but you could try to traffic-shape radius traffic to server, to some lower value.

Hall of Fame Super Gold

Re: Limiting number of PPPoE login requests

I should have looked before answering. Here's the feature you are looking for:

http://cisco.com/en/US/docs/ios/12_2t/12_2t15/feature/guide/ftpppthr.html

New Member

Re: Limiting number of PPPoE login requests

Thanks a lot for the answer. Unfortunately we are using L2TP between Telco and our router (sorry I should mention it in my first post):

vpdn-group vpdn--Telco

! Default L2TP VPDN group

accept-dialin

protocol l2tp

virtual-template 1

local name xxxx

lcp renegotiation on-mismatch

l2tp hidden

l2tp tunnel password xxxxxx

!

Anyway I will try to see if this feature still works in my case. And I know the keyword "throttling" to search for now. :) Thanks.

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