From: Richard Dumoulin (richard.dumoulin@vanco.es)
Date: Tue Jun 01 2004 - 05:49:53 GMT-3
The best example I have seen with testing that demonstrates how the
helper-map works is in the InterneworkExpert book.
By the way I believe you do not need "ip directed-broadcasts" on R1 ethernet
interface but it does not hurt if it is there,
--Richard
-----Original Message-----
From: hma [mailto:hma@fromru.com]
Sent: martes, 01 de junio de 2004 8:52
To: ccielab@groupstudy.com
Subject: Re: Multicast helper-map example in doc CD.
I think, that the best example of multicast helper-map configuration is in
free Cisco Multicast Course (Module 7, p. 49). This course you can find at
CCO, sorry i can't rememeber where exactly.
e0--R1--s0------s0--R2--e0
R1
Interface Ethernet0
ip address 10.1.1.1 255.255.255.0
ip directed-broadcasts
ip multicast helper-map broadcast 224.1.1.1 100 ttl 15 access-list 100
permit any any udp 2000 ip forward-protocol udp 2000
R2
Interface Serial0
ip address 172.16.255.2 255.255.255.252
ip multicast helper-map 224.1.1.1 10.2.2.255 100
ip igmp join-group 224.1.1.1
interface Ethernet0
ip address 10.2.2.1 255.255.255.0
ip directed-broadcast
access-list 100 permit any any udp 2000
ip forward-protocol udp 2000
Karim <karim_ccie@hotmail.com>:
> Hi all,
>
> I need someone help confirming that the multicast helper-map scenario
> in the doc CD is configured the right way with no mistakes.
>
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipr
_
> c/ipcpt3/1cfmulti.htm#1003511
>
> (Details in the link and the config. was as follows):
> Router A-First Hop Router Configuration
> interface ethernet 0
> ip directed-broadcast
> ip multicast helper-map broadcast 224.5.5.5 120
> ip pim dense-mode
> !
> access-list 120 permit udp any any 4000
> access-list 120 deny udp any any
> ip forward-protocol udp 4000
> Router C-Last Hop Router Configuration
> interface ethernet 1
> ip directed-broadcast
> ip multicast helper-map 224.5.5.5 178.21.34.255 135
> ip pim dense-mode
> !
> access-list 135 permit udp any any 4000
> access-list 135 deny udp any any
> ip forward-protocol udp 4000
>
> Thanks in advance....
> Karim.
M.
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