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TOPIC: Different between PING & File Transfer?

Different between PING & File Transfer? 10 years 1 week ago #28111

  • apit
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What is the different between PING & File transfer?

IF we ping between two stations, we are using ICMP protocol is it? If we are transferring files between two stations , is it started with hello packet like PING method and then communicate using TCP protocol?

Re: Different between PING & File Transfer? 10 years 1 week ago #28112

- Ping uses ICMP protocol, it is generally used to check network connectivity.
- where as the file transfer uses other protocols like tcp to transfer data. ICMP is not used as hello packet.

Generally if you want to transfer files from host A to host B with FTP, you generally check the reachability by pinging host B and then use application layer protocol FTP that uses TCP to transfer the files .

Thanks
Patiot

Re: Different between PING & File Transfer? 10 years 1 week ago #28113

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ICMP is not used as hello packet.


Is TCP using "hello packet" ?

Generally if you want to transfer files from host A to host B with FTP, you generally check the reachability by pinging host B and then use application layer protocol FTP that uses TCP to transfer the files .

Thanks
Patiot


Before we transfer files, we still have to check the destination host live or dead...So we still using PING to transfer file is it?

Re: Different between PING & File Transfer? 10 years 1 week ago #28115

no no not necessarily . TCP uses three way handshake and not hello packets and that too not ping .

Thanks
Patiot

Re: Different between PING & File Transfer? 10 years 1 week ago #28116

Have a look at the articles under the 'networking' menu at the top left of the Firewall.cx page for a good introduction to ICMP, TCP and other protocols

Re: Different between PING & File Transfer? 10 years 1 week ago #28126

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Before we transfer files, we still have to check the destination host live or dead...So we still using PING to transfer file is it?


For FTP, If the destination is NOT alive. It will not respond. So the file transfer connection will time out and will not begin. No ping/icmp is done here. However, if the destination is not reachable (For example when a router cant find a route for a network) the connection will also time out, but as a side effect, the router can send an ICMP (Destination Unreachable) packet back to the initiator of the connection informing it of the failure. But those ICMP packets are not necessarily looked at or processed.

I'd go with TheBishop on checking the guides under the "networking" menu.
Studying CCNP...

Ammar Muqaddas
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