Hi Abhishek, See inline. I've also copied the editors of the document.
On Dec 27, 2010, at 1:23 AM, Abhishek Bhalotia wrote:
> Hi,
>
> I have one query related to OSPFv3 MIB (rfc5643)
>
> For the below field the range is defined from 1 to 1800
> Ospfv3UpToRefreshIntervalTC
> SYNTAX Unsigned32 (1..1800)
>
> And below is one of the many entries that are using this Syntax
>
> ospfv3NbrRestartHelperAge OBJECT-TYPE
> SYNTAX Ospfv3UpToRefreshIntervalTC
> UNITS "seconds"
> MAX-ACCESS read-only
> STATUS current
> DESCRIPTION
> "Remaining time in current OSPF Graceful restart
> interval, if the router is acting as a restart
> helper for the neighbor."
> ::= { ospfv3NbrEntry 14 }
>
> So now If Process is not HELPER enabled, and Current state of Helper is NONE.
> So what value must be displayed for “ospfv3NbrRestartHelperAge” ?
> Value 0 can not be displayed as it is not in range.
Since the ospfv3NbrRestartHelperStatus clearly indicates whether or not this
value is applicable, I don't see a real harm in returning 1.
>
> This problem does not exist in OSPFv2, as no such range is specified
>
>
> Similar issues are present in other table entires too where the minimum value
> is 1 instead of 0.
>
> For eg:
> ospfv3NbrIfId OBJECT-TYPE
> SYNTAX InterfaceIndex
> MAX-ACCESS read-only
> STATUS current
> DESCRIPTION
> "The interface ID that the neighbor advertises
> in its Hello Packets on this link, that is, the
> neighbor's local interface index."
> ::= { ospfv3NbrEntry 12 }
>
> Here InterfaceIndex range start from 1
> But in case of NBMA nbr which is created due to configuration, this field
> will be 0. So how to display this field ?
There is no problem here. Configured neighbors should be returned in
ospfv3CfgNbrTable as opposed to ospfv3NbrTable.
Hope this helps,
Acee
>
> Other similar fields are ROUTER-Id, [Interface DR/BDR values refer to Router
> id, and for P2P interface how to display value 0 ]
>
>
> Thanks and regards
> Abhishek
>
>
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