1). HDLC will count bad frames and drop them. It's up to the hosts to
retransmit.
2). LEC could fail to find a LECS because it isn't configured with the
LECS' VCI/VPI, and the LECS isn't operating on a well-known VCI/VPI (there
are other reasons, but that is the most prominent)
3). The * means that this route entry is the last resort route.
4.) No need to worry about STUN. Cisco has all but dropped interest in it
and you won't see it on any tests (not even the CCIE written/lab). In its
place, be sure you know the hell out of DSLSw+ and RSRB.
garyf
----- Original Message -----
From: "Henrique Issamu Terada" <[EMAIL PROTECTED]>
To: "'Schmendrick Dawes'" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Sunday, May 07, 2000 6:04 PM
Subject: RES: CCIE review....
> Answering just one question.
>
> 1) Who handles retransmition is Layer 4 , through TCP flow control.
> I'm not sure if there is also a retransmition in HDLC, but I'm sure
that
> there's no one in Frame Relay , and there is in X25.
>
> Henrique
>
> ----- Mensagem original -----
> De: Schmendrick Dawes [SMTP:[EMAIL PROTECTED]]
> Enviada em: Sunday, May 07, 2000 2:54 AM
> Para: [EMAIL PROTECTED]
> Assunto: CCIE review....
>
> While doing a scan of my review outline, I realized
> there were several points I was unclear on in my weak
> areas....
>
> 1)Who handles retransmission between two ethernet
> hosts
> over HDLC serial links if there is a line hit? Router
> or hosts?
>
> 2)What are some typical reasons that a Lec could fail
> to find a lecs in ATM LANE?
>
> 3)What does a star (asterisk *) next to the S mean in
> a routing table?
>
> 4)How does IPX queuing work with STUN?
>
> Any help on any of these weak areas would be
> appreciated!
> Thanks........
>
>
>
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