From: John Jones (acer0001@gmail.com)
Date: Tue Jun 24 2008 - 23:35:26 ART
OK. Maybe I am going nuts.
This is my config. Notice that router says /5. Isn't the range 224-239
supposed to be a /4? And 240+ a /5?
----------------------------
Rack1R4#
ip pim send-rp-announce Loopback0 scope 255 group-list GRP232 interval 5
!
ip access-list standard GRP232
* permit 232.0.0.0 7.255.255.255*
Rack1R5#sh ip pim rp mapp
PIM Group-to-RP Mappings
This system is an RP-mapping agent (Loopback0)
Group(s) 224.0.0.0/4
RP 150.1.2.2 (?), v2v1
Info source: 150.1.2.2 (?), elected via Auto-RP
Uptime: 01:39:05, expires: 00:00:15
*Group(s) 232.0.0.0/5 * * <<<<< /5?*
RP 150.1.4.4 (?), v2v1
Info source: 150.1.4.4 (?), elected via Auto-RP
Uptime: 00:02:23, expires: 00:00:12
Rack1R5#
Maybe it's mu ignorance. Multicast isn't my strong suit.
John
On Tue, Jun 24, 2008 at 9:19 PM, John Jones <acer0001@gmail.com> wrote:
> You know, you're right Luca. I had a head spin when a lab asked me to
> filter out a 232.0.0.0/5 group from being announced on a RP.
>
> I need to get some sleep. :-/
>
> John
>
>
> On Tue, Jun 24, 2008 at 8:45 PM, Luca Hall <lhall@setnine.com> wrote:
>
>>
>> class e starts at 240 not 248
>>
>>
>> ----- Original Message -----
>> From: John Jones <acer0001@gmail.com>
>> To: ccielab@groupstudy.com
>> Sent: Tue, 24 Jun 2008 21:33:31 -0400 (EDT)
>> Subject: Multicast Range
>>
>> OK, maybe I'm thinking too much.... MC addresses go from 224-239 (/4).
>> Traditionally, experimental class "E" starts at 248 and goes to 255.
>>
>> What happens to the 240-247 range (/5)? Is this also MC or where is this
>> used?
>>
>> John
>>
>>
>> _______________________________________________________________________
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