[Linux-ATM-General] Re: ILMI: data recognition

[Eric K. (contractor) <ek...@cm...>]

On Thu Apr 15 17:24:51 +0530 2004, Raghunathan K wrote:
> How do we acutally recognise incoming data to be ILMI data ? Would it be by
> -
> 
> a) VPI/VCI value : 0,16 is used by ILMI. So any data on 0,16 will be ILMI
> data. But ILMI data can be passed on other VPI/VCI's also , isn't it ?
> 
> b) AAL5 parsing : Is there some flag in AAL5 that says that the payload is
> ILMI ?
> 
> c) SNMP parsing : After AAL5 parsing and checking the community string to be
> "ILMI".
> 
> d) all of the above : if all of the above are true then the data is ILMI
> else no

Ilmid binds to 0.16 and so all traffic that arrives on that vc is
assumed to be ILMI.  Nothing in the aal5 trailer describes the
format of the payload.