From: Atif Awan (atifawan@xxxxxxxxxxx)
Date: Sun Jan 21 2001 - 16:35:11 GMT-3
<html><DIV>
<P><BR><BR></P></DIV>
<P>R2 does not have to join that group explicitly. Send us the output of the co
mmand show ip mroute, show ip pim neighbors, and show ip igmp groups for both r
outers. </P>
<P> </P>
<P>Regards</P>
<P>Atif</P>
<P> </P>
<DIV></DIV>
<DIV></DIV>>From: "tv" <TVARRIALE@TELOCITY.COM>
<DIV></DIV>>Reply-To: "tv" <TVARRIALE@TELOCITY.COM>
<DIV></DIV>>To: "Steve Clubb" <SCLUBB@CATTECH.COM>
<DIV></DIV>>CC: <CCIELAB@GROUPSTUDY.COM>
<DIV></DIV>>Subject: Re: ip multicasting and ping
<DIV></DIV>>Date: Sun, 21 Jan 2001 10:13:07 -0600
<DIV></DIV>>
<DIV></DIV>>I think you are not telling r2 to join anything. Recommendations
:
<DIV></DIV>>
<DIV></DIV>>Try to make a loopback on r1 the rp.
<DIV></DIV>>Have r2 join the multicast address.
<DIV></DIV>>do a show ip mroute on r2 before you ping.
<DIV></DIV>>
<DIV></DIV>>Let us know how it works.
<DIV></DIV>>
<DIV></DIV>>tv
<DIV></DIV>>
<DIV></DIV>>----- Original Message -----
<DIV></DIV>>From: "Steve Clubb" <SCLUBB@CATTECH.COM>
<DIV></DIV>>To: <CCIELAB@GROUPSTUDY.COM>
<DIV></DIV>>Sent: Sunday, January 21, 2001 2:15 AM
<DIV></DIV>>Subject: ip multicasting and ping
<DIV></DIV>>
<DIV></DIV>>
<DIV></DIV>> > For all you multi-cast wizards out there, I have 2 routers
configured as
<DIV></DIV>> > such:
<DIV></DIV>> >
<DIV></DIV>> > r2 cannot ping multicast 224.2.2.2-4 on r1's e0.
<DIV></DIV>> >
<DIV></DIV>> > Any reasons why?
<DIV></DIV>> >
<DIV></DIV>> > Thanks,
<DIV></DIV>> >
<DIV></DIV>> > Steve
<DIV></DIV>> >
<DIV></DIV>> >
<DIV></DIV>> > r1#
<DIV></DIV>> > ip multicast-routing
<DIV></DIV>> > ip dvmrp route-limit 20000
<DIV></DIV>> > !
<DIV></DIV>> > interface Ethernet0
<DIV></DIV>> > ip address 137.20.10.1 255.255.255.0
<DIV></DIV>> > ip pim sparse-mode
<DIV></DIV>> > ip igmp join-group 224.2.2.2
<DIV></DIV>> > !
<DIV></DIV>> > interface Serial0.2 point-to-point
<DIV></DIV>> > ip address 137.20.12.1 255.255.255.0
<DIV></DIV>> > ip pim nbma-mode
<DIV></DIV>> > ip pim sparse-mode
<DIV></DIV>> >
<DIV></DIV>> > r2#
<DIV></DIV>> > ip multicast-routing
<DIV></DIV>> > ip dvmrp route-limit 20000
<DIV></DIV>> > !
<DIV></DIV>> > interface Serial0
<DIV></DIV>> > ip address 137.20.12.2 255.255.255.0
<DIV></DIV>> > ip pim nbma-mode
<DIV></DIV>> > ip pim sparse-mode
<DIV></DIV>> > !
<DIV></DIV>> > interface TokenRing0
<DIV></DIV>> > ip address 137.20.22.1 255.255.255.240
<DIV></DIV>> > ip multicast use-functional
<DIV></DIV>> > ip pim sparse-mode
<DIV></DIV>> > !
<DIV></DIV>> > ip pim rp-address 137.20.12.1
<DIV></DIV>> >
<DIV></DIV>> >
<DIV></DIV>> > r2#ping 224.2.2.2
<DIV></DIV>> >
<DIV></DIV>> > Type escape sequence to abort.
<DIV></DIV>> > Sending 1, 100-byte ICMP Echos to 224.2.2.2, timeout is 2
seconds:
<DIV></DIV>> > ..
<DIV></DIV>> > r2#
<DIV></DIV>> >
<DIV></DIV>> >
<DIV></DIV>> >
<DIV></DIV>> >
<DIV></DIV>> >
<DIV></DIV>> >
<DIV></DIV>> >
<DIV></DIV>> >
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