RE: Re: Re: MIB Dr. Review ofdraft-ietf-vrrp-unified-mib-05.txt

 Thanks Bert,
	I did go through RFC RFC4181 for this but I was not sure if I
can ignore the new warning that is 
	produced by adding vrrpAssociatedIpAddr to MODULE-COMPLIANCE.

	From your mail, I take it that I can ignore the following.
>    (3) refined object `vrrpAssociatedIpAddr' not listed in a mandatory

> or optional group

	I will go ahead and keep the specifics in compliance section and
also add text to 
	DESCRIPTION indicating the size constraints.

Thanks,
Kalyan

-----Original Message-----
From: ext Wijnen, Bert (Bert) [mailto:[email protected]] 
Sent: Thursday, October 26, 2006 1:40 AM
To: Tata Kalyan (Nokia-ES/MtView); [email protected];
[email protected]; [email protected]
Cc: [email protected]; [email protected]
Subject: RE: [VRRP] Re: Re: MIB Dr. Review
ofdraft-ietf-vrrp-unified-mib-05.txt

RFC4181 is clear about what to do about warnings w.r.t. 
max number of subids in an OID because of INDEX object that (in theory)
can go beyond 128.

See sect 4.6.6 in RFC4181.

And PLEASE DO Keep the specifics in MODULE-COMPLIANCE.
That shows which exact addressTypes and related max lengths MUST be
supported for compliance.

Hope this helps,
Bert

> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> Sent: Wednesday, October 25, 2006 22:00
> To: [email protected]; [email protected]; 
> [email protected]
> Cc: [email protected]; [email protected]
> Subject: RE: [VRRP] Re: Re: MIB Dr. Review 
> ofdraft-ietf-vrrp-unified-mib-05.txt
> 
> 
> Hi Joan,
> I was trying fix the following :
> ===========
> 21)            INDEX    { vrrpOperationsInetAddrType,
> vrrpOperationsVrId,
>                       ifIndex, vrrpAssociatedIpAddr }
> 
> 
> 
>    W: f(VRRP-MIB), (423,8) Row "vrrpAssociatedIpAddrEntry" has
>    indexing that may create variables with more than 128 sub-ids
> 
> The issue here is that the Address (InetAddress) is 0..255 octets, but

> really only need either 4 octets (IPv4 address) or
> 16 octets (IPv6 address).  Please limit the size of this using 
> SIZE(0|4|16) (as an example).
> 
> DIFFSERV-MIB (and others) give an
> example of how to limit the size in the conformance (and also limit 
> the address type).  This needs to be added to the conformance section.
> ===================
> 
> ++ I get the following additional warning if I add
> vrrpAssociatedIpAddr
> to conformance section.
> ++ vrrpAssociatedIpAddr is part of table index and I cannot add it to
> groups. 
> 
> 
> 433    5    warning: index of row `vrrpAssociatedIpAddrEntry' 
> can exceed
> OID size limit by 142 subidentifier(s)
> 1591    3    refined object `vrrpAssociatedIpAddr' not listed in a
> mandatory or optional group
> 
> 
> 1591           OBJECT        vrrpAssociatedIpAddr
>    (3) refined object `vrrpAssociatedIpAddr' not listed in a mandatory

> or optional group
>                SYNTAX  InetAddress (SIZE(0|4|16))
>                DESCRIPTION  "An implementation is only required to 
> support
>                IPv4 and globally unique IPv6 addresses." 
> 
> 
> I am thinking of adding text to description of vrrpAssociatedIpAddr 
> limiting the size and removing
> >From conformance section. This way I will have only level 5
> Warning and
> no level 3 error.
> 
> 
> I was using simplewebs online MIB compiler for validating it.
> 
> Thanks,
> Kalyan
> 
> 
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> 

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