Subject: RE: [Isis-wg] draft-ietf-isis-wg-mib-05.txt

From: Jeff Parker <[email-masked]>
Date: Mon, 19 Nov 2001 17:31:36 -0500

> Hi,
> Could someone please explain to me the third sentance of the following
> object definition?
> 
>      isisManAreaAddrExistState OBJECT-TYPE
>          SYNTAX RowStatus
>          MAX-ACCESS read-create
>          STATUS current
>          DESCRIPTION
>              "The state of the isisManAreaAddrEntry. This object
>              follows the Row Status behaviour. If an attempt is
>              made to set this object to the value off when the
>              corresponding isisManAreaAddrEntry is the only valid
>              entry for this instance and when the corresponding ISIS
>              instance has isisSysAdminState set to On then the attempt
>              is rejected."
>          DEFVAL { active }
>      ::= { isisManAreaAddrEntry 2 }

Ken -

RowStatus is something I didn't create.  See Dave Perkins book for
a discussion of this.  Briefly it is used to disambiguate creation
and deletion.  

"If an attempt is made to set this object to the value 
off when the corresponding isisManAreaAddrEntry is 
the only valid entry for this instance and when the 
corresponding ISIS instance has isisSysAdminState 
set to On then the attempt is rejected."

If someone wants to remove an Area Address, at it is the 
only configured address left, you should not allow this to
happen, as the protocol needs to have at least one defined.  

You -can- do this if you turn off the protocol, and then 
remove the Address.    

Suggestions on how to make this clearer are welcome.

- jeff parker
- axiowave networks

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