From the experiment the quality testing network fiber-optic type single mode and type multiple modes were delay not very different. But the current popular the fiber-optic type single mode widespread use may be due to Fiber-optic type single mode With the loss of lower optical fiber type multiple modes. And the cost of equipment cheaper. Testing and performance Huawei router AR 1220E and router Huawei AR 2200 on function, and IPSec NAT ACL.