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List: ms-ospf
Subject: Re: [OSPF] OSPF Digest, Vol 68, Issue 8
From: Acee Lindem <acee.lindem () ericsson ! com>
Date: 2011-10-29 17:35:47
Message-ID: 2EE3C4F7-25D0-4747-9966-1DFBC9CEF86A () ericsson ! com
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Hi Thiru,
You are not precluded from using the OSPFv2 Instance ID for this purpose. However, we \
already have RFC 5185 to allow a single interface to be in multiple areas (note that \
no secondary IP address is necessary):
http://www.rfc-editor.org/rfc/rfc5185.txt
The primary application is supporting multiple OSPF instances using the same link. \
One application is OSPF Transport Instance:
http://www.ietf.org/id/draft-ietf-ospf-transport-instance-07.txt
Thanks,
Acee
On Oct 29, 2011, at 1:04 PM, thiruma valavan wrote:
Hi OSPF group members,
Is this the objective of using Instance Id in OSPFv2.
Instance id will be used If interface having more than one addresses, so we need to \
configure different subnets in router interface (Using secondary address cli \
command).
So we can connect multiple areas on single link, No need different physical \
connection for each area.
Thanks,
Thiru
On Fri, Oct 28, 2011 at 12:30 AM, \
<ospf-request@ietf.org<mailto:ospf-request@ietf.org>> wrote: If you have received \
this digest without all the individual message attachments you will need to update \
your digest options in your list subscription. To do so, go to
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Click the 'Unsubscribe or edit options' button, log in, and set "Get
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Today's Topics:
1. New Version Notification -
draft-ietf-ospf-auth-trailer-ospfv3-08.txt (Acee Lindem)
2. Re: New Version Notification -
draft-ietf-ospf-auth-trailer-ospfv3-08.txt (Acee Lindem)
----------------------------------------------------------------------
Message: 1
Date: Wed, 26 Oct 2011 19:48:42 -0400
From: Acee Lindem <acee.lindem@ericsson.com<mailto:acee.lindem@ericsson.com>>
To: OSPF List <ospf@ietf.org<mailto:ospf@ietf.org>>
Subject: [OSPF] New Version Notification -
draft-ietf-ospf-auth-trailer-ospfv3-08.txt
Message-ID: <21C419E2-D51A-40FD-816B-4DC3D2BD98AB@ericsson.com<mailto:21C419E2-D51A-40FD-816B-4DC3D2BD98AB@ericsson.com>>
Content-Type: text/plain; charset="us-ascii"
This version includes changes in response to the external reviews that have taken \
place since we completed WG last call. A few things have been clarified and the \
following two items have been added:
1. Mitigation of Cross Protocol Attacks by appending a protocol specific byte to \
the key. This will prevent replay attacks when the same key is used by multiple \
protocols (and the sets of valid input packets intercept). See sections 4.4 and 4.5.
2. Recommendations for authentication key selection have been added to the \
"Security Considerations". See section 6.
Links to be the new version and a nicely annotated diff with the previous version are \
included in the forwarded E-mail below.
Thanks,
Acee
Begin forwarded message:
From: "internet-drafts@ietf.org<mailto:internet-drafts@ietf.org><mailto:internet-drafts@ietf.org<mailto:internet-drafts@ietf.org>>" \
<internet-drafts@ietf.org<mailto:internet-drafts@ietf.org><mailto:internet-drafts@ietf.org<mailto:internet-drafts@ietf.org>>>
Date: October 26, 2011 6:19:35 PM EDT
To: "ospf-chairs@tools.ietf.org<mailto:ospf-chairs@tools.ietf.org><mailto:ospf-chairs@tools.ietf.org<mailto:ospf-chairs@tools.ietf.org>>" \
<ospf-chairs@tools.ietf.org<mailto:ospf-chairs@tools.ietf.org><mailto:ospf-chairs@tools.ietf.org<mailto:ospf-chairs@tools.ietf.org>>>, \
"draft-ietf-ospf-auth-trailer-ospfv3@tools.ietf.org<mailto:draft-ietf-ospf-auth-traile \
r-ospfv3@tools.ietf.org><mailto:draft-ietf-ospf-auth-trailer-ospfv3@tools.ietf.org<mailto:draft-ietf-ospf-auth-trailer-ospfv3@tools.ietf.org>>" \
<draft-ietf-ospf-auth-trailer-ospfv3@tools.ietf.org<mailto:draft-ietf-ospf-auth-traile \
r-ospfv3@tools.ietf.org><mailto:draft-ietf-ospf-auth-trailer-ospfv3@tools.ietf.org<mailto:draft-ietf-ospf-auth-trailer-ospfv3@tools.ietf.org>>>, \
"stbryant@cisco.com<mailto:stbryant@cisco.com><mailto:stbryant@cisco.com<mailto:stbryant@cisco.com>>" \
<stbryant@cisco.com<mailto:stbryant@cisco.com><mailto:stbryant@cisco.com<mailto:stbryant@cisco.com>>>
Subject: New Version Notification - draft-ietf-ospf-auth-trailer-ospfv3-08.txt
New version (-08) has been submitted for draft-ietf-ospf-auth-trailer-ospfv3-08.txt.
http://www.ietf.org/internet-drafts/draft-ietf-ospf-auth-trailer-ospfv3-08.txt
Diff from previous version:
http://tools.ietf.org/rfcdiff?url2=draft-ietf-ospf-auth-trailer-ospfv3-08
IETF Secretariat.
------------------------------
Message: 2
Date: Wed, 26 Oct 2011 19:53:33 -0400
From: Acee Lindem <acee.lindem@ericsson.com<mailto:acee.lindem@ericsson.com>>
Cc: OSPF List <ospf@ietf.org<mailto:ospf@ietf.org>>
Subject: Re: [OSPF] New Version Notification -
draft-ietf-ospf-auth-trailer-ospfv3-08.txt
Message-ID: <0CE91E74-8EFF-45FE-B241-BF0012B5E0F3@ericsson.com<mailto:0CE91E74-8EFF-45FE-B241-BF0012B5E0F3@ericsson.com>>
Content-Type: text/plain; charset="us-ascii"
Of course, I meant "intersect" rather than "intercept" below. In other words, a \
packet from one protocol could potentially also represent a valid packet in another \
protocol and be replayed. Thanks,
Acee
On Oct 26, 2011, at 7:48 PM, Acee Lindem wrote:
> This version includes changes in response to the external reviews that have taken \
> place since we completed WG last call. A few things have been clarified and the \
> following two items have been added:
> 1. Mitigation of Cross Protocol Attacks by appending a protocol specific byte to \
> the key. This will prevent replay attacks when the same key is used by multiple \
> protocols (and the sets of valid input packets intercept). See sections 4.4 and \
> 4.5.
> 2. Recommendations for authentication key selection have been added to the \
> "Security Considerations". See section 6.
> Links to be the new version and a nicely annotated diff with the previous version \
> are included in the forwarded E-mail below.
> Thanks,
> Acee
>
>
>
>
> Begin forwarded message:
>
> From: "internet-drafts@ietf.org<mailto:internet-drafts@ietf.org><mailto:internet-drafts@ietf.org<mailto:internet-drafts@ietf.org>>" \
> <internet-drafts@ietf.org<mailto:internet-drafts@ietf.org><mailto:internet-drafts@ietf.org<mailto:internet-drafts@ietf.org>>>
>
> Date: October 26, 2011 6:19:35 PM EDT
> To: "ospf-chairs@tools.ietf.org<mailto:ospf-chairs@tools.ietf.org><mailto:ospf-chairs@tools.ietf.org<mailto:ospf-chairs@tools.ietf.org>>" \
> <ospf-chairs@tools.ietf.org<mailto:ospf-chairs@tools.ietf.org><mailto:ospf-chairs@tools.ietf.org<mailto:ospf-chairs@tools.ietf.org>>>, \
> "draft-ietf-ospf-auth-trailer-ospfv3@tools.ietf.org<mailto:draft-ietf-ospf-auth-trai \
> ler-ospfv3@tools.ietf.org><mailto:draft-ietf-ospf-auth-trailer-ospfv3@tools.ietf.org<mailto:draft-ietf-ospf-auth-trailer-ospfv3@tools.ietf.org>>" \
> <draft-ietf-ospf-auth-trailer-ospfv3@tools.ietf.org<mailto:draft-ietf-ospf-auth-trai \
> ler-ospfv3@tools.ietf.org><mailto:draft-ietf-ospf-auth-trailer-ospfv3@tools.ietf.org<mailto:draft-ietf-ospf-auth-trailer-ospfv3@tools.ietf.org>>>, \
> "stbryant@cisco.com<mailto:stbryant@cisco.com><mailto:stbryant@cisco.com<mailto:stbryant@cisco.com>>" \
> <stbryant@cisco.com<mailto:stbryant@cisco.com><mailto:stbryant@cisco.com<mailto:stbryant@cisco.com>>>
>
> Subject: New Version Notification - draft-ietf-ospf-auth-trailer-ospfv3-08.txt
>
> New version (-08) has been submitted for \
> draft-ietf-ospf-auth-trailer-ospfv3-08.txt. \
> http://www.ietf.org/internet-drafts/draft-ietf-ospf-auth-trailer-ospfv3-08.txt
>
> Diff from previous version:
> http://tools.ietf.org/rfcdiff?url2=draft-ietf-ospf-auth-trailer-ospfv3-08
>
> IETF Secretariat.
>
> _______________________________________________
> OSPF mailing list
> OSPF@ietf.org<mailto:OSPF@ietf.org>
> https://www.ietf.org/mailman/listinfo/ospf
------------------------------
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End of OSPF Digest, Vol 68, Issue 8
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