Infinite loop in .bat file


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I have to make a batch file for Windows XP to set the IPv6 address and default route for an ethernet card. This batch file should be loaded at every startup.

It looks like this:

ipv6 rtu 2002::/16 4
ipv6 adu 4/3ffe:bc0:174:1::2
ipv6 rtu ::/0 4/3ffe:bc0:174:1::1 pub life 1800

The problem is that when the batch file containing these lines is executed, it just executes the first line infinitly and I have to click the X to close it. I can manually type them in without any loops or problems.

Is there just a problem with my batch file? Are there any IPv6 pimpz :cool: who know that it isn't the batch file, rather just the first line?

Thanks for the help.

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It is supposed to route all IPv6 addresses in the 2002::/16 prefix to network interface 4. It is just a part of the process of setting up IPv6 on Windows XP. rtu is a supported ipv6 switch and it does what it is supposed to do when I type it into the command prompt manually. It is just with the batch file that I have problems. Go figure, I can make UNIX sh or bash scripts, but I can't do a simple DOS batch script. :blush:

"ipv6 install" just lets you use IPv6. You still have to configure the IPs and those IPs get erased every time you reboot, so you have to use a script to reset it, much like all networking in Linux. Right now I am using radvd on my Linux box to set the IPs on all the other boxes dynamically, but it sets a really long IP like: 3ffe:0bc0:0174:0001:0be1:112c:5c92:12ed and it gets on my nerves. I like the shorter 3ffe:bc0:174:1::2, which I have to set manually, but that is besides the point. My point is that my batch file is crappy so I need the smart people on Neowin to help me fix it. :) Do I need something like a semicolon at the end of everyline or maybe some command like STOP or EXIT or END at the end. Am I forgetting something at the beginning like START or BEGIN? (Or at least tell me its a bug so I can get on with my life...man I hate Windows.)

i'm gonna have to get used to these new IPs :wacko:

you don't need semicolons, STOP, EXIT, or END codes or anything (though you can use a cls at the end with no line return)

who knows, it may be a bug. the ipv6 standard isn't even finished yet is it? and i think microsoft's implementation of it is beta, included in xp only for developers. IMO they should have made it a separate download, but who am i to tell them what to do? ;)

if "ipv6" is a .com or .exe file it will execute and not return for further instruction. i think this is your problem. try using the call command to call the ipv6 program outside of the batch file. if you dont know how to use it google it up. :)

cheers and good luck.

p.s. a better solution, but more in depth, might be to create 4 batch files.

download the dos sleep application.

First bat file:

ipv6 rtu 2002::/16 4

exit

Second bat file:

sleep 15

ipv6 adu 4/3ffe:bc0:174:1::2

exit

Third bat file:

sleep 30

ipv6 rtu ::/0 4/3ffe:bc0:174:1::1 pub life 1800

exit

fourth bat file

call first.bat

call second.bat

call third.bat

exit

I used to be jl7c2 but changed my name. Sorry I have been very busy lately and haven't fooled around on my Windows XP :x computer. I just realized that my problem though. My file name was ipv6.bat. So when the line in the batch file called ipv6 rtu...it was calling ipv6.bat, which called it self again and again creating an infinite loop. Jeez I am so ebarassed that I didn't think about that. Now for more Windows bashing...<bash>UNIX sh scripts would never do that! Windows sucks!</bash> I'm only kidding. LOL.

Thanks for all your help though! :)

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