RE: ping broadcast

From: Brian Dennis (brian@xxxxxx)
Date: Thu Aug 22 2002 - 11:59:37 GMT-3


   
He is pinging from a DOS prompt so the debug commands won't work ;-)

As far as a Cisco router goes the router will automatically display the
output.

R1#ping 172.16.255.255

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.255.255, timeout is 2 seconds:

Reply to request 0 from 172.16.2.254, 4 ms
Reply to request 0 from 172.16.2.253, 5 ms
Reply to request 1 from 172.16.2.254, 4 ms
Reply to request 1 from 172.16.2.253, 5 ms
Reply to request 2 from 172.16.2.254, 8 ms
Reply to request 2 from 172.16.2.253, 5 ms
Reply to request 3 from 172.16.2.254, 4 ms
Reply to request 3 from 172.16.2.253, 5 ms
Reply to request 4 from 172.16.2.254, 4 ms
Reply to request 4 from 172.16.2.253, 5 ms
R1#

Brian Dennis, CCIE #2210 (R&S/ISP Dial)

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Colin Barber
Sent: Thursday, August 22, 2002 7:22 AM
To: ccielab@groupstudy.com
Subject: RE: ping broadcast

debug ip packet will tell you

-----Original Message-----
From: Luis Miguel Gil [mailto:lmgil@intecno.net]
Sent: 22 August 2002 15:12
To: ccielab@groupstudy.com
Subject: ping broadcast

hi all,
when I ping to a broadcast address, i.e. 10.255.255.255, I receive the
normal response:

U:\>ping 10.255.255.255

Pinging 10.255.255.255 with 32 bytes of data:

Reply from 10.255.255.255: bytes=32 time=80ms TTL=255
Reply from 10.255.255.255: bytes=32 time<10ms TTL=60
Reply from 10.255.255.255: bytes=32 time<10ms TTL=255
Reply from 10.255.255.255: bytes=32 time<10ms TTL=60

Ping statistics for 10.255.255.255:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 80ms, Average = 20ms

Who is replying me ?



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