How router devices distinguish between real goods and fakes

Cisco router:

1. There is a yellow sticker inside, can't cheat.

2. Security stickers touch a sense of concave and convex, for real.

3. The Cisco logo on the sealed case is clear and the fakes are blurred.

H3C Router:

1, can consult 800-810-0504 free hotline, to find out the true and false serial number.

2, 3COM products on the outer packaging have anti-counterfeiting blue label.

D-link Router:

In order to fully protect the rights and interests of users, since May 1, 2005, D-link products chassis and packaging will be the use of new High-tech color Laser anti-counterfeiting logo, the original security label will be discontinued. The new anti-counterfeiting identification function description is as follows: The original product sequence query system remains until April 30, 2006.