[j-nsp] Juniper MX480 BNG Feature ?

[Tom Storey]

f two or more people are trying to share the same IP on an on-demand type
basis, then the router needs to keep some kind of session table to be able
to return traffic to the correct end user should something come by at a
"random" interval.

And this is essentially what NAT is doing anyway, so wouldn't you be better
off just implementing that?


On 4 June 2013 11:51, Thong Hawk Yen <hawk.yen.thong at time.com.my> wrote:

> Hi J-NSP Members,
>
> We are using MX480 with Junos [11.4X27.44] as BRAS and with Juniper policy
> manager SRC with Software version SRC-PE Release 4.2 [V4.2.0.R-16] to
> provide Broadband services over PPPoE.
> The BRAS is the element  that is leasing out IP addresses to the
> subscribers on the ppo interfaces. We notice that there is a high
> percentage of users are actually idling, not sending/receiving any traffic
> but the sessions are taking up ip addresses.
>
> It is not very efficient to time-out their session because customer end
> routers will re-dial. Is there a way to leave the PPPoE session on while
> the BRAS relinquish idling sessions ip address and re-assign when the
> customer traffic is back ?
>
> Please advise. Any feedback from any deployment of other BRAS would be
> helpful. Thanks.
>
> Regards
> thong
>
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