From: Chris Riling (criling@gmail.com)
Date: Wed Oct 31 2007 - 17:29:21 ART
The v6 protocols seem to like to use the link local addresses for next hop,
so I'd make sure there's a way for resolve the link locals... Take a look at
the v6 routing table when you get OSPF up and you'll see why you need it...
Chris
On 10/31/07, hadek.el-ayachi@nsn.com <hadek.el-ayachi@nsn.com> wrote:
>
> You need this when running ospf in hub-and-spoke topology using
> broadcast or non-broacast network type. Match like ipv4.
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> ext sirus MOGHADASIAN
> Sent: mercredi 31 octobre 2007 14:44
> To: Cisco certification
> Subject: is it necessary to map L3 to L2 add of IPv6 in frame-relay
> spoke-to-spoke connection?
>
> Hi Gs,
>
> R5 ------R1---------R2
>
> R1 ,R2 ,R5 run frame-relay on their main serial interface.
>
> I ran Ipv6 and Ripng on them.
>
> I have v6 routes is each routers table
>
> R5:
>
> interface Serial1/0
>
> ipv6 address 2001:CC1E:1:125::5/64
> ipv6 address FE80::5 link-local
> ipv6 rip 1 enable
> frame-relay map ipv6 FE80::CE00:15FF:FE2C:0 501 broadcast frame-relay
> map ipv6 2001:CC1E:1:125::1 501 broadcast frame-relay map ipv6
> 2001:CC1E:1:125::2 501 broadcast
>
>
>
> R1 :
>
> interface Serial1/0
> ipv6 address 2001:CC1E:1:125::1/64
> ipv6 address FE80::1 link-local
> ipv6 rip 1 enable
> frame-relay map ipv6 FE80::CE01:15FF:FE2C:0 102 broadcast frame-relay
> map ipv6 FE80::CE04:15FF:FE2C:0 105 broadcast frame-relay map ipv6
> 2001:CC1E:1:125::2 102 broadcast frame-relay map ipv6
> 2001:CC1E:1:125::5 105 broadcast
>
>
> R2 :
>
> interface Serial1/0
> ipv6 address 2001:CC1E:1:125::2/64
> ipv6 address FE80::2 link-local
> ipv6 rip 1 enable
> frame-relay map ipv6 FE80::CE00:15FF:FE2C:0 201 broadcast frame-relay
> map ipv6 2001:CC1E:1:125::1 201 broadcast frame-relay map ipv6
> 2001:CC1E:1:125::5 201 broadcast
>
>
>
> Question is : Is there any nedd to L3 to L2 link-local mapping for R2 on
> R5 s1/0 ??? I see this solution with L3 to L2 mapping in some
> workbooks.
>
> As I said every thing is right ,I think this L3->L2 mapping will be
> redundant.
>
>
> any idea?
>
>
> Cyrus
>
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