Re: comments on MIBCOM-MIB

"Bob Penfield" <[email protected]> Thu, 5 Aug 2004 12:26:14 -0400
Newsgroups gmane.ietf.midcom
Message-ID <003301c47b08$edcf7f10$08428182@BPenfield>
A bit of clarification for the non-VOIP folks.

----- Original Message ----- 
From: "Bob Penfield" <[email protected]>


> 1) The midcomRuleEntry has only a single interface identifier
> (midcomRuleInterface). It needs to identify the inside interface and the
> outside interface. The corresponding interface can only be inferred when
the
> middlebox has 2 or fewer interfaces. The semantics document includes both
an
> inside and an outside interface.
>
> 2) Step 3 of the PRR (section 6.4) states that the SNMP manager sets the
> internal endpoint address components. This is correct if the signaling
> (going thru the MIDCOM client) is outbound. If the signaling is inbound,
it
> contains the external endpoint addresses.
>
What I am talking about here is the case where the signaling protocol (e.g.
SIP) carries the endpoint media addresses for a media session (e.g. in SDP).
A SIP INVITE coming from the external network will hve SDP that contains the
address of the external endpoint. The internal endpoint media addresses
won't be know until the 200 OK response comes from the internal endpoint.


> cheers,
> (-:bob
>
> Robert F. Penfield
> Chief Software Architect
> Acme Packet, Inc.
> 130 New Boston Street
> Woburn, MA 01801
> [email protected]
>
>
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