[c-nsp] Enabling multicast routing on 3750G platform

[Blake Dunlap]

Also please post the show mroute. This is kind of blind troubleshooting...

On Wed, Jan 28, 2015 at 10:14 AM, Scott Voll <svoll.voip at gmail.com> wrote:
> and, remember that VLC only has a TTL of one I think..... so in your VLC
> config change your TTL to something like 10 (depending on the size of the
> whole network).
>
> Scott
>
>
> On Wed, Jan 28, 2015 at 9:55 AM, Antonio Soares <amsoares at netcabo.pt> wrote:
>
>> Enable PIM on the loopback.
>>
>>
>> Regards,
>>
>> Antonio Soares, CCIE #18473 (RS/SP)
>> amsoares at netcabo.pt
>> http://www.ccie18473.net
>>
>> -----Original Message-----
>> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
>> Lobo
>> Sent: quarta-feira, 28 de Janeiro de 2015 17:38
>> To: cisco-nsp at puck.nether.net
>> Subject: [c-nsp] Enabling multicast routing on 3750G platform
>>
>> Hi everyone.  I've been trying to get multicast routing to work on a single
>> 3750G switch between two vlans but for the life of me it just doesn't work.
>> When the host and receiver are on a single vlan the streaming works but
>> then
>> you don't even need multicast routing enabled for it to work.
>> When I split the two hosts onto separate vlans that's where the problem
>> begins.
>>
>> This is what I've configured so far and I'm sure it's just some extra
>> commands I'm missing or something:
>>
>> ip multicast-routing distributed
>> !
>> ip pim rp-address 3.3.3.3
>> !
>> interface Loopback0
>>  ip address 3.3.3.3 255.255.255.255
>> !
>> interface GigabitEthernet1/0/1
>> switchport access vlan 100
>> !
>> interface GigabitEthernet1/0/2
>> switchport access vlan 200
>> !
>> interface Vlan100
>> ip address 1.1.1.2 255.255.255.0
>> ip pim sparse-dense-mode
>> !
>> interface Vlan200
>> ip address 2.2.2.2 255.255.255.0
>> ip pim sparse-dense-mode
>> ip igmp join-group 239.0.0.1
>> !
>>
>> The server streaming via VLC is 1.1.1.1 and is using 239.0.0.1 for the
>> multicast address. The receiver is 2.2.2.1 and using VLC to stream.  I can
>> see the traffic coming in on port 1 but no traffic leaving the switch's
>> other port.
>>
>> BTW, I tried dense-mode and sparse-mode as well with similar results.
>>
>> Any thoughts?
>>
>> Jose
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