can't access non-SA sites

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fiftybmg

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This is the third day that I can't access a non-sa site. I'm in the Forest Hill area. google.co.za is fine. I connect to the remote host [ theregister.co.uk ], and the initial reply comes in quite fast [20kbps according to iptraf ] for about 1 second, then stops.

I'm getting especially pissed off that wbs helpdesk staff keep telling me there's no problem, everything's fine. Everything's not $%ck&%$ fine. Yesterday I was told to leave the modem on for 2 hours to download the firmware upgrade. Never seen a modem that needed 12 gigs of firmware till now.

If only this had happened in my trial period I could have told them to ^%$$ off.
 
the helldesk says MTU imust be 1352

Has to be 1352. Unfortunately the firmware patches don't help me much - I'm running the modem thru ethernet on a dedicated linux firewall with pppoE.

I just need to find the reg key with regedt on this win box and set it. The other machines are Linux, so it's easy to change it there.
 
is drtcp.exe accessible on an SA site ?

I can't see the .net's of the world just yet. Found the registry location where the key should go, still need to figure what the right value is for MTU.
 
fifty - I had the exact same problem when I first subscribed to iBurst - and tried the exact same MTU fiddling and packet inspection... to no avail.

The only piece of advice that I can give you is to have a terminal window open constantly pinging star.slashdot.org, and trying to use a local proxy server for the internet.

good luck, the above two solved my problems for about 2 weeks, and then the service started running fine without them... gremlins.
 
can't access the SA download site for drtcp either

Same problem, just hangs. I think the sites I'm seeing are cached on the proxy on the wbs side. We can't see it, because it's transparent.

But, here's an interesting thing : the firewall machine can lynx to anywhere with an mtu of 1492.

Downloading drtcp at work to floppy. Try again tonight.
 
actually they dont cache stuff, they are not a big enough ISP to do that. Its been a gripe with people in the past
 
Then the viewing of selective sites is related to which side of uunet they're on. uunet recently lowered their mtu, and wbs is possibly routing international traffic on the uunet backbone, which could explain why we need to lower our mtu for non-sa sites.
 
i am never touching MTU again. my access seems to be fine for local and intl
 
problem solved

drtcp was duly trekked in on a floppy disk, and mtu set to 1352. I can see ElReg again !

2 gripes :

1. wbs heldesk couldn't tell me the registry key entry to edit manually, or what to set it to
2. wbs did not notify me via email about the mtu resizing requirement, causing me 3 days of headache and half a bottle of grappa [ or maybe that's why I had the headache for 3 days ]
 
well its the first time i've heard of this happening, my default mtu on linux and windows is A OK, btw since you didn't know about the mtu thingy you probably should know that you should run ping -t www.iburst.co.za in your command prompt to lessen the stuttering sometimes felt when iburst think's you're idle and tries looking for more towers to connect to.
 
fiftybmg said:
drtcp was duly trekked in on a floppy disk, and mtu set to 1352. I can see ElReg again !

2 gripes :

1. wbs heldesk couldn't tell me the registry key entry to edit manually, or what to set it to
2. wbs did not notify me via email about the mtu resizing requirement, causing me 3 days of headache and half a bottle of grappa [ or maybe that's why I had the headache for 3 days ]
Click to expand...

excellent dude! did that sa link for drTcp not work for you?
 
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