Well.. I'm on a MAC though I run Parrallels so I can use MickeySoft
Visio....
So with WinXP I'm not sure as all three of my boxes are Mac OS 10.5.8
(all patches applied meaning current).
I have been using my primary machine (MacBook Pro 15) to do SU work
and I move from one ISP uplink to another quite often in my work
(Rarely Paid Consultant)...
For some vague reason I think this is related to which DNS server in
my Mac's network settings is used.. which knowing Google uses lots of
cache servers might be the root cause of my problem.
In two of the three ISP's sketchup.google.com resolves to
64.233.189.100. However in the last case it resolves to 64.233.189.101.
These cache servers generally are hooked up via geo dns databases and
direct you to the *closest cache*.. since sketchup.google.com uses
"cookies" the information contained in the "cookie" might not match..
and the error message is a run home to momma "check your internet
settings"...
Note below that in each case as my machine gets its DNS server from a
different provider the IP address of sketchup.google.com changes.. and
the route to that *virtual* device (being sketchup.google.com seems to
have multiple IP addresses (probably an F5 Load balancer involved here
as well)..
*sigh*
So.. from home using PLDT AS9299 my route to sketchup.google.com is:
1 210.14.0.29 [AS 9299] 0 msec 0 msec 0 msec
2 58.71.0.93 [AS 9299] 0 msec 0 msec 4 msec
3 210.14.2.146 [AS 9299] 32 msec 32 msec 36 msec
4 209.85.254.166 32 msec 68 msec 28 msec
5 209.85.241.217 60 msec 60 msec 96 msec
6 66.249.94.34 64 msec
66.249.94.6 64 msec
66.249.94.34 60 msec
7 sketchup.l.google.com (64.233.189.100) 64 msec 64 msec 64 msec
From home using Sky Internet AS23944 :
*** note warning ****
traceroute: Warning: sketchup.google.com has multiple addresses; using
66.102.7.101
traceroute to sketchup.l.google.com (66.102.7.101), 64 hops max, 40
byte packets
1 192.168.100.1 (192.168.100.1) 1.246 ms 0.963 ms 0.801 ms
2 114.108.226.1 (114.108.226.1) 8.267 ms 50.464 ms 11.709 ms
3 ge-1-4.MND1.skybroadband.com.ph (111.68.59.141) 11.027 ms
10.144 ms 15.837 ms
4 10GE0-3-3.MND1.skybroadband.com.ph (111.68.59.137) 14.953 ms
12.217 ms 32.949 ms
5 202.78.101.1 (202.78.101.1) 11.969 ms 12.493 ms 10.976 ms
6 po1.gw1.rsv.bayan.net.ph (202.78.96.185) 27.172 ms 14.569 ms
22.749 ms
7 google3-10G.hkix.net (202.40.161.10) 54.954 ms 50.029 ms
44.707 ms
8 209.85.241.58 (209.85.241.58) 44.292 ms 56.003 ms 48.762 ms
9 72.14.239.68 (72.14.239.68) 114.869 ms 98.784 ms 99.067 ms
10 209.85.242.251 (209.85.242.251) 231.437 ms * 213.633 ms
11 72.14.232.84 (72.14.232.84) 210.169 ms 206.227 ms 226.366 ms
12 209.85.249.188 (209.85.249.188) 208.923 ms 207.222 ms 228.625 ms
13 72.14.239.246 (72.14.239.246) 215.277 ms 230.577 ms 223.068 ms
14 lax04s01-in-f101.1e100.net (66.102.7.101) 227.099 ms 224.247 ms
213.904 ms
From My customer site who's upstream is Globe AS4775
Tracing the route to sketchup.l.google.com (66.102.7.100)
1 124.6.180.117 4 msec 8 msec 8 msec
2 120.28.0.137 4 msec 8 msec 8 msec
3 120.28.0.94 28 msec 24 msec 24 msec
4 72.14.196.29 20 msec 24 msec 25 msec
5 209.85.241.58 24 msec 24 msec 20 msec
6 72.14.239.68 76 msec 80 msec 80 msec
7 209.85.242.251 168 msec 172 msec 168 msec
8 72.14.232.84 192 msec 192 msec 192 msec
9 209.85.249.188 189 msec 188 msec 188 msec
10 72.14.239.246 201 msec 188 msec 192 msec
11 sketchup.l.google.com (66.102.7.100) 189 msec 188 msec 188 msec
So at the end of the day I will take my *other laptop* with me
tomorrow (as it has WireShark installed) and sniff the transaction..
My hope is Googles network engineers won't have big egos will pooh
paaah me regardless of what I find.. I just want to use sketchup..
*sigh*
Do good stuff
Daniel
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