[nsp] Dynamically changing virtual-access interface configuration

[Dennis Peng]

leon.c at staff.ihug.co.nz [leon.c at staff.ihug.co.nz] wrote:
> We have a couple of 7301s terminating PPPoE sessions. We are using RADIUS
> to apply per-user rate limit sessions on each virtual-interface.
> 
> Eg:
> interface Virtual-Access9
>  ip unnumbered Loopback0
>  rate-limit input 256000 16000 16000 conform-action transmit exceed-action
> drop
>  rate-limit output 256000 16000 16000 conform-action transmit
> exceed-action drop
>  no logging event link-status
> 
> The question is, is there a way at all to change the rate-limit for
> individual virtual-access interfaces without having to disconnect the
> users to apply another RADIUS profile.

Not right now.

> We are currently using Version 12.3(5). The older 12.2 version we were
> testing on a 7200 used to allow manual changing of virtual-access
> interface configurations just like any other interfaces. However, this
> seems to have been disabled in 12.3.
> 
> #int virtual-access 16
> % Please use virtual template to configure your virtual access
> 
> This is what I see every time this is attempted. Is there a way around
> this? Since which version was this feature disabled?

We are supposed to prevent direct configuration changes to the
virtual-access interface. There must be a bug in the version you
tested before.

Dennis

> Regards,
> 
> 
> --
> Leon Chang, CCNP, CCDP
> Senior Network Engineer
> The Internet Group Ltd. (IHUG), Auckland, New Zealand  AS7657
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