[AusNOG] Cisco ASR 1K as a low-end LNS

[Tony Wicks]

One last but important detail with using the ASR1K as a BNG is that load balancing on 1G port groups doing PPPoE and L2TP does not work. I spent three frustrating months working with TAC to be informed eventually that actually that is a feature that is working as designed. So if you only want n+1 redundancy you can use a port group, but load balancing you are out of luck. Load balancing on non PPPoE/L2TP port groups works fine. For me that meant moving to 10G interfaces earlier than anticipated.

 

cheers

 

From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Tony Wicks
Sent: Sunday, 15 June 2014 5:00 p.m.
To: 'Skeeve Stevens'
Cc: ausnog at ausnog.net
Subject: Re: [AusNOG] Cisco ASR 1K as a low-end LNS

 

OH, and FYI the licences are all “paper” licences, not activation keys. I.e. if you start with the base 500 licence and exceed it, the box won’t blow up waiting for you to buy more.

 

From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Tony Wicks
Sent: Sunday, 15 June 2014 4:55 p.m.
To: 'Skeeve Stevens'
Cc: ausnog at ausnog.net <mailto:ausnog at ausnog.net> 
Subject: Re: [AusNOG] Cisco ASR 1K as a low-end LNS

 

1002 with ESP10 can be readily obtained refurbished and will do the job. I recommend “advancedipservices”. You can buy the BBRTU licence (with 500) then the additional user licence as needed separately. The 1002/10G should be good be good for 10k+ users if you need to scale. You can also buy smartnet separately if you want proper access to IOS updates etc (recommended). I highly recommend at least the ESP10, anything lower and it really won’t last you long. I use asr1k6/esp40 as my primary LNS with some 1x2/esp10 for smaller tasks. The 1k6/esp40 are good for up to about 32k users. They seem to do the job ok, I use “Cisco IOS XE Software, Version 03.10.02.S - Extended Support Release” I would not recommend anything older than this. Oh and don’t bother trying to use the LI feature, it’s really bad.

 

 

From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Skeeve Stevens
Sent: Sunday, 15 June 2014 4:27 p.m.
To: ausnog at ausnog.net <mailto:ausnog at ausnog.net> 
Subject: [AusNOG] Cisco ASR 1K as a low-end LNS

 

Hey all,

 

I am looking at using some ASR1k's for some low-end LNS's.... but not used the 1K before.

 

I presume buying refurb ASR1002's hardware means you can just buy the licences?

 

Anyone got any thoughts/advice on the suitability of the ASR1K as an LNS - I am thinking maybe 1000 or so NBN related speeds... seems like the throughput will be fine for those sorts of numbers.

 

Looks like the BB licensing is RTU (500 users) then 4K users... but much than what I need... annoying. Pricing isn't too bad though.

 

Any comments on licensing would be helpful and if you need anything apart from the advanced IOS and the RTU.

 

Any thoughts on or off-list would be welcome.



...Skeeve

 

Skeeve Stevens - eintellego Networks Pty Ltd

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