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TTL

morialpesh008
Level 1
Level 1

Hi,

       When i ping to my network hosts, i got reply from my network hosts and there is a value in reply message and it's is TTL, when i ping to different devices in my network it's showing me different TTL values,even all device is in my same local LAN.

I know ping command work based on ICMP protocol and ICMP is network layer protocol and  when any packet send from destination it's TTL is 255 and decrements by 1 when passing through any device ans same process continue happens when packet pass from every device.

s i want to know what does exactly mean of TTL?

snap is attached of ping command.

 

Thanks

Alpesh.

1 Reply 1

Joseph W. Doherty
Hall of Fame
Hall of Fame

TTL's maximum is 255, but some devices and/or applications default with lower values.

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