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

[Scott Voll]

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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