[c-nsp] Multicast Questions - New Setup

Paul Stewart pstewart at nexicomgroup.net
Thu Dec 7 15:19:17 EST 2006


Hi there...

I've never setup multicast routing before so here goes..;)  This is for
an Occum device that requires IGMP for it's T1 interfaces for
clocking....

Layout of devices:

Cisco 6509 (MSFC2)
Local Occum equipment on VLAN2 (192.168.0.10)
|
|
VLAN104 Lan Extension (10.1.1.1)
|
|
Cisco 6503E (MSFC2) - switching only
|
|
Cisco 2950 Switch - switching only
|
|
Cisco 7206VXR Interface (10.1.1.2)
|
|
Remote Occum equipment (172.16.10.10)


The remote equipment 172.16.10.10 needs to talk to local equipment
192.168.0.10

The 6503E and 2950 "in the middle" are purely transporting the VLAN on
layer2

Here's what I have setup so far:

Cisco 6509

ip multicast-routing

interface Vlan2
 description Occum Voice/Management
 ip address 192.168.0.10 255.255.255.128
 ip access-group 104 out
 ip pim dense-mode

interface Vlan104
 description 100 Meg LAN
 ip address 10.1.1.1 255.255.255.248
 ip pim dense-mode


Cisco 7206VXR

ip multicast-routing

interface GigabitEthernet0/1
 description 100 Meg 
 ip address 10.1.1.2 255.255.255.248
 ip pim dense-mode
 duplex full
 speed 100
 media-type rj45
 no negotiation auto
 no clns route-cache

interface GigabitEthernet0/3
 description Occum Voice/Management
 ip address 172.16.10.10 255.255.255.192
 ip access-group 104 out
 ip pim dense-mode
 duplex full
 speed 1000
 media-type rj45
 no negotiation auto
 no clns route-cache



As I have said, I'm completely new to multicast/IGMP etc.... so any help
would be appreciated... I've read some docs etc. but I'm sure something
is missing in this equation....

I've been reading about Multicast Extensions to OSPF and we use OSPF
everywhere in our networks pretty much including this link.... would
this solve my problem?

Thanks, appreciate any responses ;)

Paul



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