Hi All,
HostA----------Router1-----------Router2-----------HostB
Ether Serial Ether
If a packet is sent from HostA to HostB and the packet is lost between R1
and R2 - who resends?
I've seen this question before and thought the generally agreed upon answer
was that Host A would resend with the reason being "The data-link layer
protocols in use today on serial lines, including PPP, Frame Relay, and
Cisco HDLC, detect errors but are not responsible for error correction or
retransmission."
The reason I post this is I have found a contradictoring document and wanted
some 2nd and 3rd opinions. The document in questions is the cramsession
from BrainBuzz.com at the link:
http://cramsession.brainbuzz.com/cramsession/cisco/ccie_written/
The statement in question is at the top of Page 13. It states the the
packet would be resent (actually rebroadcast) from Router B.
I'm not using this guide to learn from as much to reinforce what I have
learned and this statement is bringing up an old question.
Thanks to all who answer,
Sean
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=662&t=662
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