From: Farhan Anwar (farhan.anwar@gmail.com)
Date: Thu Jan 17 2008 - 14:37:43 ARST
First, Broadcast keyword is there to allow Multicasts and Broadcasts both,
since there are no B/Casts in IPv6, it should be given to allow multicasts
which are a requirement for running routing protocols.
Second, whether you give the broadcast keyword on Global or Link Local it
doesn't matter, what you are actually doing is permitting Frame-Relay to
allow Broadcasts and Multicasts on the specified DLCI. But since only Link
Local will be used for routing updates and multicast traffic its a best
practice to give broadcast on the link local.
Regards,
Farhan.
On Jan 16, 2008 6:49 AM, Jack Flash <jack.flash@inbox.com> wrote:
> Hmmm, a quick look at google suggests no.
>
> Back to the books for me.
>
> -----Original Message-----
> From: Jack Flash [mailto:jack.flash@inbox.com]
> Sent: 16 January 2008 01:45
> To: 'Mick Vaites'; 'ccielab@groupstudy.com'
> Subject: RE: IPv6 Frame-relay map's
>
> Aren't broadcasts done away with in IPV6?
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Mick
> Vaites
> Sent: 15 January 2008 00:25
> To: ccielab@groupstudy.com
> Subject: IPv6 Frame-relay map's
>
> Hi all,
>
> I am puzzling over which is correct and which is not.
>
> It is necessary to put in L2 / L3 mappings for both the actual IPv6
> addressing as well as the lnik local addresses but which gets the
> broadcast
> statement?
>
> Senario: two routers connected for IPv6, R1 and R5 over a frame-relay
> cloud,
> network is 2001:cc1e:5:15::x/64 and the DLCI's are 105 and 501
> respectively.
> This are the possible snippets for R1. (apologies for any obvious typos).
>
> I am wondering which is right
>
> !R1
> Interface Serial 1/0
> ipv6 address 2001:cc1e:5:15::1/64
> ipv6 address fe80::1 link-local
> frame-relay map ipv6 fe80::5 105 broadcast <---- broadcast on the
> link-local
> frame-relay map ipv6 2001:cc1e:5:15::5 105
>
> or
>
> !R1
> Interface Serial 1/0
> ipv6 address 2001:cc1e:5:15::1/64
> ipv6 address fe80::1 link-local
> frame-relay map ipv6 fe80::5 105
> frame-relay map ipv6 2001:cc1e:5:15::5 105 broadcast <----- broadcast on
> the main IP
>
> I have tried both of these senarios and both work okay ?
>
> Best regards
>
> Mick
>
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-- Farhan Anwar www.farhananwar.com
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