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RE: lug-bg: stranen ping


  • Subject: RE: lug-bg: stranen ping
  • From: boukov@xxxxxxxxxxx (Petko Boukov)
  • Date: Sun, 15 Apr 2001 13:31:41 -0700

 ('binary' encoding is not supported, stored as-is)
"ping is able to calculate the round-trip time by storing the time at
which it sends the echo request in the data portion of the ICMP
message. When the reply is returned it subtracts this value from the
current time. Notice that on the sending system, bsdi, the round-trip
times are all calculated as 0 ms. This is because of the
low-resolution timer available to the program. The BSD/386 Version
0.9.4 system only provides a IO-ms timer."

Citatyt e ot TCP/IP Illustrated pyrvi tom. Ima go v docs.online.bg na
Networking, glava 7.

Mezdu drugoto, 'fyodor' ne mozha da razpoznae tipa na OS-a :) Mozhe bi mi e stara versiqta.

Petko

>Date: Sun, 15 Apr 2001 02:28:48 +0300 (EEST)
>From: Chaos Channeler <chaos@xxxxxxxxxxxx>
>To: lug-bg@xxxxxxxxxxxxxxxxxx
>Subject: lug-bg: stranen ping
>Reply-To: lug-bg@xxxxxxxxxxxxxxxxxx
>
>Niakoi da me svetne zashto time=0ms??
>
>---
>slave:/home/chaos# ping FR.GBB.UU.NET
>PING FR.GBB.UU.NET.pzonline.net (212.116.152.62): 56 data bytes
>64 bytes from 212.116.152.62: icmp_seq=0 ttl=255 time=0.0 ms
>64 bytes from 212.116.152.62: icmp_seq=1 ttl=255 time=0.0 ms
>64 bytes from 212.116.152.62: icmp_seq=2 ttl=255 time=0.0 ms
>
>--- FR.GBB.UU.NET.pzonline.net ping statistics ---
>3 packets transmitted, 3 packets received, 0% packet loss
>round-trip min/avg/max = 0.0/0.0/0.0 ms

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