Re: FR mapping of IPv6 address and broadcast keyword

Yeah after re reading. What Marko and Joe siad for tehcnicals. My advice is
to only put on link local as this is only one that requires it.

Regards,

Marc

On Wed, Apr 18, 2012 at 12:44 PM, marc edwards <renorider_at_gmail.com> wrote:

> Just like in IPv4 routing, IPv6 IGPs send neighbor discovery with ttl=1
> over link local. Broadcast is required on FE80 (link local mapping)
> for adjacency to form. Exceptions to the rule are
> when uni-cast hello's/updates are being sent with neighbor statements...
>
> Broadcast isn't required for global address. There needs to be a
> corresponding mapping for any IPv6 address to a DLCI. IPv6 does not perform
> inverse arp. It isn't supported.
>
> HTH
>
> Marc
>
>
> On Wed, Apr 18, 2012 at 11:47 AM, Joe Astorino <joeastorino1982_at_gmail.com>wrote:
>
>> What Marko said...the broadcast keyword on the map just says "If I have
>> broadcast multicast traffic, send it out this DLCI". The L3 address you
>> have in the map makes no difference in that case.
>>
>> On Wed, Apr 18, 2012 at 1:22 PM, Marko Milivojevic <markom_at_ipexpert.com
>> >wrote:
>>
>> > It doesn't matter where you put it. On frame maps, the "broadcast"
>> > keyword is a parameter to the DLCI number and the protocol, not the
>> > address.
>> >
>> > I highly recommend *not* putting broadcast on multiple instances of
>> > the same DLCI for the same protocol, as that will multiply the traffic
>> > generated as the result of pseudobroadcast replication.
>> >
>> > --
>> > Marko Milivojevic - CCIE #18427 (SP R&S)
>> > Senior CCIE Instructor - IPexpert
>> >
>> > On Wed, Apr 18, 2012 at 03:54, Ivan Hrvatska <ivanzghr_at_gmail.com>
>> wrote:
>> > > Hi,
>> > > just one short question about FR mapping and IPV6 addresses. Since
>> > > OSPFv3, EIGRPv6 and RIPng uses link-local FE80:: addresses for
>> > > protocol communication and next-hop, what seems to be correct:
>> > > a) putting broadcast keyword on static mapping of link-local
>> > > b) putting broadcast keyword on static mapping of "actual" IPv6
>> address
>> > >
>> > > In Cisco literature they put it only on link-local mapping. I followed
>> > > that and routing protocols work fine. In some vendors WBs broadcast
>> > > keyword is put on mapping with non-link-local address and on some labs
>> > > on both mapping.
>> > >
>> > > So, what would be the appropriate way to do it on lab?
>> > >
>> > >
>> > > Blogs and organic groups at http://www.ccie.net
>> > >
>> > >
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>> >
>> >
>> >
>> >
>> >
>> >
>> >
>>
>>
>> --
>> Regards,
>>
>> Joe Astorino
>> CCIE #24347
>> http://astorinonetworks.com
>>
>> "He not busy being born is busy dying" - Dylan
>>
>>
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>>
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Received on Wed Apr 18 2012 - 16:42:44 ART