From: rafael.valiente@bt.es
Date: Mon Feb 03 2003 - 11:21:39 GMT-3
Look next example:
Router A------ ethernet0/0------RouterB----ether0/1
Router A:
ip multicast-routing
interface Ethernet0/0
description VLAN162_port_1
ip address 172.16.2.1 255.255.255.0
ip pim dense-mode
RouterB:
ip multicast-routing
interface Ethernet0/0
description VLAN162-port3
ip address 172.16.2.2 255.255.255.0
ip pim dense-mode
interface Ethernet0/1
description VLAN166-port4
ip address 172.16.6.1 255.255.255.0
ip pim dense-mode
ip igmp join-group 239.2.2.8
Ping from router A:
C3620-A#ping 239.2.2.8
Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 239.2.2.8, timeout is 2 seconds:
Reply to request 0 from 172.16.2.2, 8 ms
debug ip mpacket on router B
4d05h: IP: s=172.16.2.1 (Ethernet0/0) d=239.2.2.8 (Ethernet0/1) len 114,
mforward
show ip mroute on router B
(172.16.2.1, 239.2.2.8), 00:00:51/00:02:08, flags: CLT
Incoming interface: Ethernet0/0, RPF nbr 0.0.0.0
Outgoing interface list:
Ethernet0/1, Forward/Dense, 00:00:51/00:00:00
As you can see, with ip pim join-group command data stream is forwarded over
the interface, so clients will receive it.
Regards
Rafa
-----Mensaje original-----
De: Joe Chang [mailto:changjoe@earthlink.net]
Enviado el: lunes 3 de febrero de 2003 13:31
Cc: ccielab@groupstudy.com
Asunto: Re: Clients without Multicast Capabilities
"ip igmp join-group" places a specific router interface in a multicast
group, but not its attached clients.
Check out:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/ip_c
/ipcprt3/1cdmulti.htm#1033622
As mentioned before, "ip multicast helper-map" is what Oscar is looking for.
----- Original Message -----
From: "Valiente, Rafael" <rafael.valiente@bt.es>
To: "'Sscar Dmaz Poveda'" <Oscar.Diaz@azlan.com>
Cc: <ccielab@groupstudy.com>
Sent: Monday, February 03, 2003 6:20 AM
Subject: RE: Clients without Multicast Capabilities
> Hello
>
> If you wish that your clients in VLANX recieve multicast traffic from your
> server you need that router 1 be always joined to the group . To get this
> you has two options:
>
>
> ip igmp join-group a.b.c.d
>
> or
>
> ip igmp static-group a.b.c.d
>
> Both are interface command, you must configure it under lan interface and
> a.b.c.d is the multicast address used by your server.
>
> Static-group is better than join-group. With join-group the router
proccess
> the multicast stream, with static simply do forward.
>
> Regards
>
> Rafa
>
>
> -----Mensaje original-----
> De: Sscar Dmaz Poveda [mailto:Oscar.Diaz@azlan.com]
> Enviado el: lunes 3 de febrero de 2003 10:01
> Para: ccielab@groupstudy.com
> Asunto: Clients without Multicast Capabilities
>
>
> Dear colleagues,
>
> How can I do that clients in VLAN X without Multicast capabilities are
able
> to reach the Multicast Servers?:
>
> VLAN X ------ Router 1 ------ PIM Dense Mode ------ Router 2 -------
> Multicast Servers
>
> Thanks a lot in advance.
>
> Best regards,
>
> Oscar.
>
>
>
This archive was generated by hypermail 2.1.4 : Sat Mar 01 2003 - 11:06:01 GMT-3