Cisco 7206VXR Configuration Guide - Page 149
Sample Configuration, negotiation auto, no negotiation, media-type, ip address, speed - page issues
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Chapter 4 Observing System Startup and Performing a Basic Configuration Configuring a Cisco 7200 VXR Router Step 2 When using the GBIC media, there is also the additional negotiation auto command that is used to enable the IEEE 802.1z Gigabit Ethernet (1000 Mbps) autonegotiation protocol. To turn the autonegotiation feature off (it is on by default), issue the interface command no negotiation auto. This is useful for connecting to other Gigabit Ethernet equipment that does not support 802.1z autonegotiation. Note The autonegotiation feature is not supported when using the rj-45 media type and will be ignored if implementation is attempted If you change from the GBIC or SFP to the RJ-45 media type, you must set speed and duplex after you have executed the media-type command to ensure the interface will operate in the correct mode. The media-type GBIC or media-type SFP mode will always default to 1000 Mbps. Both full-duplex and half-duplex operation are supported in this mode. Sample Configuration The following shows a typical configuration for the three Gigabit Ethernet interfaces on the NPE-G1. In this example, the first interface is configured for the GBIC media type, the second interface is configured for the RJ-45 media type, and the third interface is not used. interface GigabitEthernet0/1 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. OL-5013-09 Cisco 7200 VXR Installation and Configuration Guide 4-9