From: Joseph Brunner (joe@affirmedsystems.com)
Date: Tue Nov 20 2007 - 14:48:42 ART
Hello Joe,
I believe you may find my Unicast to Multicast via Outside Nat helpful.
A regional Transportation bureau in PA used it change many 1mbps unicast
streams into a multicast that was fed to a lan.
ip multicast-routing
!
interface Serial0/0
ip pim sparse-mode
ip nat inside
!
interface FastEthernet0/0
ip nat outside
ip pim sparse-mode
ip igmp static-group 224.168.1.101
!
!
ip nat outside source static 224.168.1.101 10.165.48.101 extendable
!
Where, 10.165.48.101 is the unicast destination IP, and we want the group to
get the data.
-Joe
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Joe
Rinehart
Sent: Tuesday, November 20, 2007 12:24 PM
To: 'Cisco certification'
Subject: Multicast Mapping
I have a weird question...
I am trying to configure paging on a small (under 40) network with a
2811 and 3560 Standard Image network with 7941 phones. With the 10 host
limit on a paging group and no multicast routing on the switch the customer
would need the enhanced image to do this but they have had to deal enough
with cost overruns. The link between the router and switch is currently a
routed port but I have toyed with the idea of making it a trunk to carry the
voice VLAN and just map the paging as a directed broadcast to the voice vlan
(a /24 network).
Is there a simple way to map this and get it to work?
Joe Rinehart, MBA, CCIE #14256, CCNP, CCDP Systems Engineer Cisco Unified
Communications
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