Showing posts with label router hardware. Show all posts
Showing posts with label router hardware. Show all posts

Sunday, January 16, 2011

Routers

Cisco IOS will not allow two active interfaces on the same router to belong to the same network.

LAN Interfaces

  • Ethernet interface also has a Layer 2 MAC address and participates in the Ethernet LAN in the same way as any other hosts on that LAN. For example, a router Ethernet interface participates in the ARP process for that LAN.
  • When two routers are connected directly through the Ethernet interfaces, or when a PC NIC is connected directly to a router Ethernet interface, a crossover cable is used.