From: Wu, Jiang (wujiang@xxxxxxxxx)
Date: Sat Dec 16 2000 - 01:02:12 GMT-3
r2 can ping 239.1.1.1 but r1 cannot ping 239.2.2.2
Regards,
Wu Jiang
----- Original Message -----
From: zhangxianqi <xianqizhang@sina.com>
To: <ccielab@groupstudy.com>
Sent: Friday, December 15, 2000 1:04 PM
Subject: cgmp question
> hi,
> if the switch have cgmp open,but a router have not open the cgmp,the router c
an still receive and send multicast?because no switch,could you try it and tell
me the answer?
>
> ------(e1)r1(e0)-----------cat--------------(e0)r2(e1)----------
> r1: int e 1
> ip add 10.0.1.1 255.255.255.0
> ip pim dense-mode
> ip igmp join-group 239.1.1.1
> int e 0
> ip add 20.0.1.1 255.255.255.0
> ip pim dense-mode
> ip cgmp enable
>
> cat : set cgmp enable
>
> r2: int e 0
> ip add 20.0.1.2 255.255.255.0
> ip pim dense-mode ----------------------->>but r2 have not open cgmp
> int e 1
> ip add 30.0.1.1 255.255.255.0
> ip pim dense-mode
> ip igmp join-group 239.2.2.2
> the igp between r1 and r2 is any,so r1 and r2 have all the route.
>
> question: can r2 ping 239.1.1.1? can r1 ping 239.2.2.2?
>
> TIA
>
> Regards
> xianqi
>
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