[Isis-wg] Help on ISIS

Rajesh Saluja rsaluja@nortelnetworks.com
Wed, 22 Dec 1999 09:29:49 -0500


navaneeth K wrote:

> Hi all,
> I'm new to the ISIS protocol.I am currentlyin the process of studying and understanding the protocol .
> In this regard, I would like to have a clear understanding of the various types of PDUs and who sends them and when.
> I basically would like to know the functionality of the ESH,ISH and IIH PDUs,who sends what and when.
> Which od these PDUs are associated with ES and which with IS.
> Also I would like to know,if the associated ISO standards like iso 9542 etc. are available for download from some place on the net.If so can you please pass me the website address.
>
> Thanx and Regards
> Navaneeth.
>

ESH - sent by end system
ISH - sent by Intermediate system to end system
IIH- sent by Intermediate system to Intermediate system

Thanks,
Rajesh