From: Packet Man (ccie2b@hotmail.com)
Date: Sat Mar 20 2004 - 09:57:41 GMT-3
Thanks for your responses. They been very helpful.
If possible could you also show me a sample config for your answer to Q1,
using "protocol ppp virtual-template" and "protocol ppp dialer"?
>From: "SANCHEZ-MONGE,ANTONIO (HP-France,ex2)"
><antonio.sanchez-monge@hp.com>
>To: 'Packet Man' <ccie2b@hotmail.com>, ccielab@groupstudy.com
>Subject: RE: PPP over ATM
>Date: Sat, 20 Mar 2004 13:06:00 +0100
>
>Hi,
>
>-> 1) Is this the only way to config ppp aver ATM? If not, what other ways
>are there?
>
>You can also use aal5snap encapsulation and use the "protocol ppp
>virtual-template" or "protocol ppp dialer" command.
>
>-> 2) Is there an example of this way somewhere on the Doc CD or should I
>just memorize this?
>
>Dunno (never looked for it).
>
>-> 3) In the above example, will broadcast and multicast, by default
>transit
>over this interface or are there additional config commands which are
>necessary for that type of traffic? If so, what?
>
>This is controlled by the virtual access interface, which by default will
>allow broadcast and multicasts.
>
>-> 4) What are the pro's and con's of config ppp over ATM?
>
>Authentication, multilink, etc...
>
>-> 5) Could someone explain the underlying logic of the above config or
>point me to where I can find out and learn what's going on here?
>
>I think it is a proprietary Cisco encapsulation optimized for PPP (unlike
>aal5snap which is used to transport other kinds of traffic, like IP
>directly).
>
>Just trying to help, I am no ATM guru at all.
>
>Cheers,
>Ato.
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