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analyse ping results

analyse ping results

analyse ping results

(OP)
Hello,

I picked two well known websites to ping and just wondered if anybody could explain what the data is after the IP. why is one 55 and the other 245?

thanks

jono


reply from 212.4.208.123: bytes=32 time=18ms ttl=55

reply from 217.12.3.11: bytes=32 time=25ms ttl=245

A good fortune may forbode a bad luck, which may in turn disguise a good fortune.

RE: analyse ping results

The TTL is the Time-to-Live.  Many products will set the TTL to 64 when pinging, so your response of 55 means that there are 9 devices between you and the end point.

A response of 245 would be from a device that uses 255 as its default value for the TTL.  This indicates that there are 10 devices between you and the endpoint.

The TTL is 8-bits, so it has a maximum value of 255.  As a packet passes through a network node (like a router) that device will decrement the TTL by 1.  If the TTL reaches 0, then an ICMP unreachable message is returned by the device that received the packet with a TTL of 1.  Traceroute works by sending packets with a TTL of 1, then 2, then 3.  Each time it records the source IP address of the ICMP unreachable message.


pansophic

RE: analyse ping results

Just for jollies, try a pathping to a website.  

C:\pathping www.google.com

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