[nsp] PPPoE xDSL Termination Benefits? (was Total PVC's per router ..)

Rubens Kuhl Jr. rkjnsp at ieg.com.br
Wed Mar 12 02:55:22 EST 2003

I see  benefits on using PPPoX; wether to use PPPoE or PPPoA over an ATM
infrastructure is another issue.

- With PPPoX you have signalling; you know somewhat quicly (keepalive
interval) wether it's up or it's down, in order for activating a
dial-backup, paging someone or any other recovery effort one's find
- With PPPoX you have an username/password, so personalized services can be
provided on the same circuit.
- With PPPoX you have authentication, a requirement if you don't own the DSL
gear or don't trust your provisioning process.
- PPPoX fits better a mixed-media ISP that provides dial, cable and xDSL .

Rubens Kuhl Jr.

----- Original Message -----
From: "Michael Loftis" <mloftis at wgops.com>
To: <cisco-nsp at puck.nether.net>
Sent: Wednesday, March 12, 2003 2:02 AM
Subject: [nsp] PPPoE xDSL Termination Benefits? (was Total PVC's per router

| I've personally always had a hard time understanding what the benefits are
| of using PPPoE for xDSL connectivity.
| Anyoen care to elaborate on why one would prefer that over say static IPs
| or DHCP or say routed?
| I know I probably sound like a bumpkin asking, but I really would like to
| know.  If you feel it's off-topic feel free to respond directly to me
| off-list.  If there is interest I will summarize provided there are no
| objections.
| --On Tuesday, March 11, 2003 10:21 PM -0600 Charles Hardin
| <chardin at centurytel.net> wrote:
| > Hi,
| >
| > We're currently running trial tests for PPPoE connectivity strictly off
| > an ATM DS3 port on a 7206VXR 400. So far, we're hitting the 200
| > subscriber mark and running around 2% on CPU processes. The max VC's per
| > DS3 port, so we've been told, is at 4k. This box will supposedly support
| > "TWO" ATM DS3's with a max total of 8k active VC's. We hope to run up
| > subscriber totals on this box and test its performance. Based on how
| > box preforms, we may be tempted to trial the NPE-G1 in the near future
| > for PPPoE termination. We use Redbacks currently for all production ADSL
| > PPPoE service nodes we manage.
| >
| > Thanks,
| > Charles
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