Hi Jerry,By default, 1841 only has two ports.I think 10.10.10.1 is the internet router's, is this top ?If so ,you should use nat in your router.

hello      You should announce 192.168.1.0 255.255.255.248 in every router

Hello,First you should config the dhcp on the 3945.And on the Nexus3048 you should:n7000(config)feature dhcp                    Enable the “dhcp” feature first!n7000(config)ip dhcp relay                   Enable the “relay” functionality in global co...

Hi,I have done this experiment. Such as:R1#show runBuilding configuration...Current configuration : 1441 bytes!version 12.4service timestamps debug datetime msecservice timestamps log datetime msecno service password-encryption!hostname R1!boot-start...