Cisco G1 Installation Guide - Page 58
Debugging, Resetting the Interface, GigabitEthernet 0/X
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Configuring the Native Gigabit Ethernet Interfaces Chapter 7 NPE-G1 and NPE-G2 Installation and Configuration Information ip address 10.198.75.35 255.255.255.240 load-interval 30 no keepalive duplex full speed 1000 media-type gbic no negotiation auto no cdp enable no shutdown ! interface GigabitEthernet0/2 ip address 10.179.16.2 255.255.255.240 duplex auto speed auto media-type rj45 no cdp enable no shutdown ! interface GigabitEthernet0/3 no ip address shutdown duplex auto speed auto media-type rj45 no negotiation auto no cdp enable Note At the very minimum, an interface must be configured with the ip address, media-type, and speed commands before it can be enabled using the no shutdown command. Other interface commands might be needed, depending on the nature of the connected network. Debugging Cisco IOS provides two commands to provide information on your interfaces: show interface GigabitEthernet 0/X (where X is 1, 2, or 3) and show controllers GigabitEthernet 0/0. The output of the show interface command is useful for determining the current operating mode of the interface (speed/duplex/media-type) and the current interface statistics. The output of the show controllers command displays more information specific to the I/O controller interface. For example, it shows the detected link status, speed, and duplex, and also determines the current status of autonegotiation and the link partners' abilities (if it is an autonegotiation-capable interface). The show controllers command also displays the current operating state of the driver and the Ethernet controller hardware. The show controllers command is a very powerful debugging aid, especially for Cisco engineers should you need help in debugging a problem. If you have any problems with your Gigabit Ethernet interfaces, you will need to provide the show controllers command output to Cisco for analysis. Resetting the Interface Should you have a problem with your interface and wish to try and reset it, use the command: clear interface GigabitEthernet 0/X (where X is 1, 2, or 3) 7-58 Network Processing Engine and Network Services Engine Installation and Configuration OL-4448-12