7206VXR as BRAS?

Unanswered Question
Sep 1st, 2007

Can i use 7206VXR as BRAS for 3000+ users? I read no. of articles about this, but anyone who have practical experience?

Please explain it in detail.

Thanks in advance

I have this problem too.
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mohammedmahmoud Sun, 09/02/2007 - 00:03


We are using 7206VXR (NPE-G1)as a BRAS (PPPoA and PPPoE), with around 2000+ users, and in my experience i guess that it can take the 3000+ users you need (it supports up to 20050 IDBs, and the CPU is still in the 20-30 range).


Mohammed Mahmoud.

Farhan Jaffer Sun, 09/02/2007 - 00:07

Thanks Mahmood

Can u share what additional h/w or s/w require to use 7206VXR as BRAS? IOS etc?

Thanks for sharing.

mohammedmahmoud Sun, 09/02/2007 - 00:37

Hi Farhan,

You are very welcomed, our DSLAMs are terminated to the VXR and it is running "c7200-js-mz.123-8.T11.bin".


Mohammed Mahmoud.

Farhan Jaffer Sun, 09/02/2007 - 00:44

Thanks Mahomoud,

one more ques please.

DSLAMs are directly connected to 7206VXR or is there any ATM switch in b/w?

And if directly connected, which card are you using in 7206VXR for this support?

And any idea about IP based DSLAM?

mohammedmahmoud Sun, 09/02/2007 - 01:11


The ATM DSLAMs are connected to the VXR through a BPX (Cisco ATM Switch) using PA-A3-OC3MM, and the IP DSLAMs are connected to the VXR through a Cat6k.

I hope that i've been informative.


Mohammed Mahmoud.

Paolo Bevilacqua Mon, 09/03/2007 - 10:57

That reminds me when I was doing scalability testing for exactly this type of application. Numbers of 4000 and even 8000 PVCs were tested satisfactorily with NPE-400. With G1 or G2, it should go like a charm.

Hope this helps, please rate post if it does!


can some one suggest me related to same topic

i have 7206 in network with FE

Internet----FE0/1----7206----FE0/0-------Switch-----hub---lan users ( PC with XP)



Can i use 7206 as a BRAS ?

XP client can directly dial PPPoE with Freeradius support.

can some one confirm me this

what is the IOS required for this,

looking to try 4000 users


Paolo Bevilacqua Thu, 10/18/2007 - 11:11

Yes, it can be done. For an high number of users, please use NPE-G1 or G2.

The recommended release for broadband services is 12.2SB.

Hope this helps, please rate post if it does!


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