Te dejo un metodo sacado de XDA,esta en Ingles pero se entiende bien creo yo,si tienes alguna duda preguntala...
CWM Recovery and Rooting:
- Download this
update.zip for rooting your tab and move it to the root of your tab
- Put your tab into download mode
- Plug it into the computer
- Let the computer install the drivers (Automatic on Win 7 - unsure about other OS's)
- Download and unzip
Odin 1.85
- Download
CWM Touch Recovery & save to same folder as Odin 1.85
- Open up odin
- Click PDA and select the file named recovery.tar.md5
- Click start
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LET ODIN DO IT'S THING & WAIT FOR TAB TO RESTART
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- Put the tab into recovery mode.
- Select install from sd card and select Samsung_Galaxy_Tab_10.1_root.zip
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LET RECOVERY DO IT'S THING
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- Tap go back and then reboot now