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Community Member

Ping Trivia

Hello fellow netpros!

Just want to ask if anyone recalls the technical reason why, in a point-to-point WAN connection between two routers - RouterA and RouterB, pinging the remote WAN IP (say, of RouterB) returns a lower round-trip time than when pinging the local WAN interface (of RouterA) from RouterA itself. I knew that this is normal but I sort of have forgotten the exact explanation.

Appreciate anyone's reply! Many thanks.

RICO

1 REPLY
Community Member

Re: Ping Trivia

Hi

When u ping the remote end packet travels from one end to remote end similary when u ping your own interface packet goes to the remote end serial interface and then pings your interface back so the time taken for this is twice when compared to the earlier one.

I hope this explain well CU.

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