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Hosts do not reply back to ping packets designated to 255.255.255.255

Hey there,


I  am trying to make "HOST-A" (10.10.40.10/24) ping all hosts of "Network  B" (10.10.60.255) which resides on another network/subnet using the help  of "directed-broadcast".


(HOST A)======R1=====(fa 0/0)R2=====(Network B)

10.10.40.10/24                                           10.10.60.0/24


According to wireshark, one of the hosts in Network B, HOST-B, actually receives an icmp request packet


Source IP= 10.10.40.10    Destination IP=255.55.255.255


but it does not generate an icmp reply back to 10.10.40.10


So, HOST-A gets a reply back from R2 interface 0/0 only which has an ip address of 10.10.10.2/30.

Why is that?

According  to many cisco documentations and tutorials, HOST-A should get a reply  back from both 10.10.10.2 and HOST-B (10.10.60.10)



Abdul,

1 REPLY
Cisco Employee

Hosts do not reply back to ping packets designated to 255.255.25

Abdulla,

Please refer this below video it might help:

http://www.youtube.com/watch?v=cYlz0h5NHbA

HTH

Regards

Inayath

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