RE: Can Ping response give negative response !!!!!

From: Brad Ellis (brad@ccbootcamp.com)
Date: Tue Dec 18 2007 - 04:52:38 ART

Scott,

Because pings aren't as polite as ARPs.
 
thanks,
Brad Ellis
CCIE#5796 (R&S / Security)
CCSI# 30482
CEO / President
CCBOOTCAMP - A Cisco Sponsored Organization (SO)
Email: brad@ccbootcamp.com
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-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Scott Morris
Sent: Tuesday, December 18, 2007 4:57 AM
To: Ben Holko; Vinu; Cisco certification
Subject: RE: Can Ping response give negative response !!!!!
Importance: Low

And here I just thought it was cool enough to respond BEFORE the ping
was
sent.

If you can have gratuituous arp replies, why can't you have gratuituous
ping
replies?

:)

Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
JNCIE-M
#153, JNCIS-ER, CISSP, et al.
CCSI/JNCI-M/JNCI-ER
VP - Technical Training - IPexpert, Inc.
IPexpert Sr. Technical Instructor

A Cisco Learning Partner - We Accept Learning Credits!

smorris@ipexpert.com

 

Telephone: +1.810.326.1444
Fax: +1.810.454.0130
http://www.ipexpert.com

 

 

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Ben
Holko
Sent: Tuesday, December 18, 2007 12:27 AM
To: Vinu; Cisco certification
Subject: RE: Can Ping response give negative response !!!!!

If my memory serves me correctly, this is actually a bug in a dual-core
AMD
CPU instruction set, and has been fixed in OS CPU drivers.

Have a read of this informative post:
http://forums.pcper.com/showthread.php?t=430695

Ben

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Vinu
Sent: Tuesday, 18 December 2007 3:56 PM
To: Cisco certification
Subject: Can Ping response give negative response !!!!!

This is Really Wierd i saw it when pinging from One of our Servers in
DataCentre

Reply from 10.0.4.25: bytes=32 time=-10ms TTL=251 Reply from 10.0.4.25:
bytes=32 time=-10ms TTL=251 Reply from 10.0.4.25: bytes=32 time=-10ms
TTL=251 Reply from 10.0.4.25: bytes=32 time=-10ms TTL=251 Reply from
10.0.4.25: bytes=32 time=-10ms TTL=251 Reply from 10.0.4.25: bytes=32
time=-10ms TTL=251 Reply from 10.0.4.25: bytes=32 time=-10ms TTL=251
Reply
from 10.0.4.25: bytes=32 time=-11ms TTL=251 Reply from 10.0.4.25:
bytes=32
time=-10ms TTL=251 Reply from 10.0.4.25: bytes=32 time=-11ms TTL=251
Reply
from 10.0.4.25: bytes=32 time=-10ms TTL=251 Reply from 10.0.4.25:
bytes=32
time=-10ms TTL=251 Reply from 10.0.4.25: bytes=32 time=-10ms TTL=251
Reply
from 10.0.4.25: bytes=32 time=-10ms TTL=251 Reply from 10.0.4.25:
bytes=32
time=-11ms TTL=251 Reply from 10.0.4.25: bytes=32 time=-10ms TTL=251
Reply
from 10.0.4.25: bytes=32 time=-10ms TTL=251 Ping statistics for
10.0.4.25:
    Packets: Sent = 836, Received = 836, Lost = 0 (0% loss), Approximate
round trip times in milli-seconds:
    Minimum = 5ms, *Maximum = -10ms*, Average = 5137510ms

When did Microsoft Discover Time can be mesures in -ve values too
????......
:-p 

--
Regards,

Vinu Peter

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