Need help about vpn tunnel.. attached are the the configuration...

I would like to ask what is the cause when the LED of the swicthes blinking to fast.....

Hey Folks,I have one question to ask from the expert, I have two building connected together with fiber. Also I have two DHCP server on both building. How can I separate the leasing of IP ADDRESS so that building one will not get IP from Building two...

I have 5 2950G-48 switches and 2 3550 switches, and 1 3508 router. The 7 switches connected to 3508 switch thru 1000base-sx sc-sc fiber. the ethernet0/0 of router 3640 connected to one of the 2950 switch and configure as trunk. Now I create 5 vlan. t...

I have two building which the connectivity is the laser bit wireless network. Now I have also two DHCP servers at both side. I want building A will get the IP leasing at DHCP server(172.20.1.0) at building A. While building B should get also IP leasi...