found my answer here: http://www.metageek.net/forums/showthread.php?4544-Confusion-over-the-channel-number&p=16231 Thanks.

The 8968 upgrade did wiped all custom settings. Luckily I had a backup.

Region : India Model : TD-W8968 Hardware Version : V1 Firmware Version : ISP : According to inSSIDer the router seems to be using two wifi channels (10+6) and inSSIDer is recommending to move to a...