RE: [pim] Unicast BSMs and forwarding

["Venu Hemige" <venu.hemige at alcatel.com>]

Stig,

I had our test engineers verify this again.

Alcatel Routers support unicast BSMs. We do not see unicast BSMs get
dropped on our box and we do not expect them to get dropped on our
router.

We also forward unicast BSMs. We do not see them get dropped downstream
either due to RPF checks. We certainly have never seen a BSM storm in
the last couple of years of having this.

Regards,
-Venu

> -----Original Message-----
> From: Stig Venaas [mailto:stig.venaas at uninett.no]
> Sent: Wednesday, April 12, 2006 5:36 AM
> To: pim at ietf.org
> Subject: [pim] Unicast BSMs and forwarding
> 
> The current BSR draft and also RFC 2362 are not very clear whether
> unicast BSMs should be forwarded or not. My interpretation of 2362 is
> that they should not be forwarded, while the new draft is not so
clear...
> 
> So, I would be interested in hearing your opinion, in particular what
> current implementations do. We should clarify this in the new draft,
> question is whether to forward or not to forward...
> 
> You've probably also seen the discussion on replacing unicast BSMs. We
> should figure out whether forwarding is good or not, independently of
> that. If we choose to replace unicast BSMs, then I think we should
> forward iff we think forwarding unicast BSMs is a good idea.
> 
> Also, there are several implementations not supporting unicast BSMs at
> all. So I would also be very interested in hearing whether you have
> implemented it, or if there are any restrictions. It would be
> interesting to know why it isn't implemented.
> 
> Stig
> 
> PS, if possible I would like to focus this thread on forwarding and
> whether unicast BSMs are implemented, not discussing possible
> replacements. I'll start a separate thread on that, in addition to the
> ongoing thread (BSR update).
> 
> 
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> pim at ietf.org
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