Multicasting

From: Ahmed Mustafa (ahmed.mustafa@sbcglobal.net)
Date: Thu Mar 11 2004 - 03:46:38 GMT-3


Can someone explain this.

I have configured a join-igmp group on ethernet interface, and now trying to
ping this from the RP itself. First I did the regular ping, and then extended
ping. When I do the regular ping, I get the 0 reply, but went I do the
extending ping I get a respone 0, 1, 2.

Are my pings successfull?

Kindly Explain please.

Thanks,

Ahmed

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Rack1R2#ping 225.25.25.25

Type escape sequence to abort. Sending 1, 100-byte ICMP Echos to 225.25.25.25, timeout is 2 seconds:

Reply to request 0 from 141.1.123.3, 88 ms Reply to request 0 from 141.1.123.3, 132 ms Reply to request 0 from 141.1.123.3, 100 ms

Rack1R2#ping Protocol [ip]: Target IP address: 225.25.25.25 Repeat count [1]: 3 Datagram size [100]: Timeout in seconds [2]: Extended commands [n]: y Interface [All]: Time to live [255]: Type of service [0]: Set DF bit in IP header? [no]: Validate reply data? [no]: Data pattern [0xABCD]: Loose, Strict, Record, Timestamp, Verbose[none]: Sweep range of sizes [n]: Type escape sequence to abort. Sending 3, 100-byte ICMP Echos to 225.25.25.25, timeout is 2 seconds:

Reply to request 0 from 141.1.123.3, 72 ms Reply to request 0 from 141.1.123.3, 124 ms Reply to request 0 from 141.1.123.3, 84 ms Reply to request 1 from 141.1.123.3, 84 ms Reply to request 1 from 141.1.123.3, 100 ms Reply to request 2 from 141.1.123.3, 72 ms Reply to request 2 from 141.1.123.3, 108 ms Rack1R2#



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