What can be seen by my statement is that the host would re-transmit unless
there was a CRC problem on the serial link that the protocol corrected on
its own. Please read more carefully.
At 11:40 AM 3/26/01 -0700, you wrote:
>Lest we go through all of this again, a few weeks ago there was a great
>thread on this very topic. The resolution was that in just about every
>situation, it is the hosts that do the retransmitting, NOT the routers!
>To find out why, go to the archives and search through the last three
>months for a topic similar to this one. There is a some very useful
>information contained therein.
>
>HTH,
>John
>
> >>> "Brandon Ripper" <[EMAIL PROTECTED]> 3/26/01 11:25:10 AM
> >>>
>Hello,
>
> Well, it depends what type of transmission problem occurs. If
>a
>CRC failure occurs on the serial link depending upon the protocol being
>
>used between devices then that data may or may not be re-transmitted.
>However, if either error checking is not present, or the devices do not
>
>notice a problem, then the sending host will re-transmit packets per
>TCP/IP
>standard. The receiving host will actually request the re-transmission.
>But
>like I said, if a CRC error were to occur in a serial line protocol
>then
>neither host would be the wiser, and it would the routers would
>re-transmit.
>
>Brandon Ripper -ccna
>
>At 10:37 AM 3/26/01 -0700, you wrote:
> >Hi All,
> >
> >I know I should know this, but frankly I can not remember the details
>to
> >save my life...
> >
> >Let's say we have two routers connected over a serial link, they are
>doing
> >routing, not bridging. If the serial line takes a hit who is
>responsible for
> >retransmitting? The sending host or the first router?
> >
> >Now let's say same config but the routers are bridging over the serial
>line.
> >Who retansmits, the sending host or the first bridge?
> >
> >TIA
> >
> >John Hardman
> >
> >
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