I have a problem about block syncing, in the answer Ethereum Node Stuck, Can't Sync I didn't find a answer to my problem. I follow @BokkyPooBah answers, it shows my network is successful.

it shows my result follow the guides

But geth still did not start sync and stop at

geth just stop there

From the pic I am sure my network is correct, but I don't know what's the problem. Any Ideas, I appreciate it. My OS is centos 6.6.