What is written is correct and what you are saying is correct.
Frame relay is a connection protocol. This is correct.
In terms of peer to peer communication, it then becomes a connectionless
protocol by way of frame relay end to end keep alives.
The Frame Relay End-to-End Keepalive feature works between peer Cisco
communications devices. It is comes from the Frame Relay LMI protocol. The
key difference is that rather than run over the signaling channel, as is the
case with LMI, the End-to-End Keepalive feature runs over individual data
channels.
Encapsulation of keepalive packets is proprietary; which means the feature
is available only on Cisco devices running a software release that supports
the Frame Relay End-to-End Keepalive feature.
Guys, correct me if I am wrong.
Thanks kindly.
On Tue, Oct 27, 2009 at 2:49 PM, Anantha Subramanian Natarajan <
anantha.natarajan_at_gravitant.com> wrote:
> Hi All,
>
> I was going through a book (CCIE Self-study CCIE Security Exam
> Certification Guide,april 2003 print) on a section "Example of Peer-to-peer
> Communication" and under this it has the below sentence
>
> "Frame Relay is connectionless so,if an error occurs,it's up the to upper
> layers to retransmit"
>
> My understanding is, frame-relay is a connection-oriented protocol,is the
> above having a typo or I am missing basic or is it trying to convey
> something different .Kindly clarify me the same.
>
> Thanks for all the help
>
> Regards
> Anantha Subramanian Natarajan
>
>
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-- Mark Jackson, CCIE #4736 Senior Network, Security and Voice Architect 858.705.1861 Blogs and organic groups at http://www.ccie.netReceived on Tue Oct 27 2009 - 15:19:24 ART
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