how to get root access on android 2.3 emulator

Question

i am trying to get root access on my android emulator to run iptables. i went through many forums and tried many methods but nothing seems to work. the following is my device specification and i try everything on emulator.

version - 2.3 kernel version - 2.6.29-00261-g0097074-dirtydigit@digit #20

build number - sdk-eng 2.3 GRH55 79397 test-keys

so how to become root in the android. please help.