Re: FR mapping of IPv6 address and broadcast keyword

No, it doesn't :-). Only DLCI requires it and it doesn't matter on
which of the lines you put it. It's all the same.

--
Marko Milivojevic - CCIE #18427 (SP R&S)
Senior CCIE Instructor - IPexpert
On Wed, Apr 18, 2012 at 16:42, marc edwards <renorider_at_gmail.com> wrote:
> 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)
>> forB adjacencyB to form. Exceptions to the rule are
>> whenB uni-castB 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". B 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
>>>
>>>
>>> Blogs and organic groups at http://www.ccie.net
>>>
>>> _______________________________________________________________________
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