Multicast Routing

One requirement is for multicast routing on wired network infrastructure. The current CCNP R&S Syllabus has had multicast removed, so there are some gaps that need to be filled for "Configure and Troubleshoot L2/L3 network infrastructure to support WLANs" section of the CCIE wireless blueprint.

PIM - Protocol Independent Multicast
IGMP - Internet Group Management Protocol

PIM Dense Mode

PIM Dense mode is not the most common used.

!configuration requirements
!
ip multicast-routing
!
interface fa0/1
ip pim dense-mode
!
!verification
show ip pim neighbor
!
!##Client Router
int fa0/1
ip igmp join-group 239.4.4.4
!
!##Source Router Interface
ping 239.4.4.4 source fa0/0
!
sh ip mroute

useful source:
http://www.youtube.com/watch?v=zBiEztnKfyw

PIM Sparse Mode

Includes Pull Technology

Rendezvous Point

configuration

!

!enable multicast

ip multicast-routing

!

!enable pim

interface fa0/1

 pim sparse-mode

!

!statically configure rp group (on all routers)

ip pim rp-address 10.10.10.1

!

source

http://www.youtube.com/watch?v=OMRByA64xuA