Getting some good info here.. So cisco has their own implementation of
HDLC.. is it compatible with other non-cisco devices (nothing particular in
mind here)? What does the control field of a cisco HDLC frame look like?
Thanks!!!
Jeremy
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I think I'm unclear on some of the protocols here... for what purpose
would a protocol detect errors, but not correct them? Maybe QoS?
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Frame relay has no means for packet loss
detection, so a higher layer protocol (probably TCP)
would have to request retransmission of the data.
This would occur between hosts rather than the router.
X.25 and HDLC on the other hand are both reliable
protocols... they would recognize a packet
I actually think it depends on what encapsulation
is running accross the serial link. If you're using
HDLC then it's a connection oriented, reliable
protocol... meaning if a packet is lost in transit
accross the serial link, the router will knw it when
it receives a response from the destina
Anyone know if there's a LAN type out there that
uses LLC type 1 headers?
Thanks,
JD
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