Re: multicast routing on 3750 switch

Hi Paul,

"multicast routing dist" is enabled.

I have just tried two different IOSs with no luck.

P.S :) not cousin, he was my neighbor and he used to work hard for his
ccie, when he failed in exam he started dress in black .... :)

On Tue, May 5, 2009 at 3:31 PM, Paul Cosgrove <paul.cosgrove_at_gmail.com>wrote:

> Hi ZZ,
>
> Could be that the 3750 does not have 'ip multicast routing distributed'.
> If that is not the issue, then I would check the igmp memberships and
> multicast routing table on SW2 and SW4. Debug ip mpacket & debug ip icmp
> may also help.
> Multicast bugs are not unknown, so if your configuration is good then check
> the known bug list for your software version. I seem to recall hearing that
> in one release the join group command only causes the router to issue a
> membership report once - after that it was said to remain silent and not
> respond to queries.
>
> Paul.
>
> p.s. Are you Zorro's ambidextrous cousin? Strange kind of hero that man.
> Dresses in black, wears a mask, carries a sword in public and has no
> respect for other people's soft furnishings. :-)
>
>
> ZZ wrote:
>
>> Hi Experts,
>>
>> I'm trying to lab out very simple scenario using IE LAB workbook 1 Ver 5,
>> task 8.3
>>
>> Sparse-mode.
>>
>> R4<---->R5 (RP) <---> SW2 <---->SW4
>>
>> SW4
>> interface Vlan10
>> ip address 155.1.10.10 255.255.255.0
>> ip pim sparse-mode
>> ip igmp join-group 224.1.2.3
>>
>> when I tried to ping 224.1.2.3 from R5 SW4 never replied. SW4 is 3750,
>> when
>> I replaced it with 3550 or 3560 everything was perfect.
>>
>> Is there any caveat here or I'm missing something?
>>
>> Thanks in advance,
>> ZZ
>>
>>
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>>
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Received on Tue May 05 2009 - 18:06:55 ART