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Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
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Chapter 12 Configuring LRE
Displaying LRE Status
LRE Upgrade Example
This example shows how an LRE upgrade occurs:
Switch# hw-module slot 0 upgrade lre force remote longreachethernet 0/1
You are about to start an LRE upgrade on CPE Lo0/1.
Users on LRE links being upgraded will experience a temporary
disruption of Ethernet connectivity.
Start LRE upgrade ? [yes]:
Starting remote upgrade on CPE Lo0/1
Switch#
00:21:51: %LINEPROTO-5-UPDOWN: Line protocol on Interface
LongReachEthernet0/1, changed state to down
The CPE device is reset and the link is down. Ethernet connectivity is unavailable at this point.
00:22:37: %LINK-3-UPDOWN: Interface LongReachEthernet0/1, changed state to up
00:22:39: %LINEPROTO-5-UPDOWN: Line protocol on Interface
LongReachEthernet0/1, changed state to up
The CPE device finishes resetting. Ethernet connectivity is available but at low speeds. Upgrade data
transfer begins.
00:23:55: %LINEPROTO-5-UPDOWN: Line protocol on Interface
LongReachEthernet0/1, changed state to down
Upgrade data transfer is complete. Reset the CPE device.
00:23:56: %LINK-3-UPDOWN: Interface LongReachEthernet0/1, changed state to up
The CPE device has finished resetting. The desired profile is applied.
00:23:58: %LRE_LINK-3-UPDOWN: Interface Lo0/1, changed state to UP
00:23:59: %LINK-3-UPDOWN: Interface LongReachEthernet0/1, changed state to up
00:24:02: %LINEPROTO-5-UPDOWN: Line protocol on Interface
LongReachEthernet0/1, changed state to up
Operation resumes in the profile link up state.
Switch#
Displaying LRE Status
To display the LRE information, use one or more of the privileged EXEC commands in Table 12-10.
For detailed information about the fields in the command outputs, see the command reference for this
release.
Table 12-10 Commands for Displaying LRE Information
Command Purpose
show controllers ethernet-controller Display the Ethernet link send and receive statistics on a Fast Ethernet port.
show controllers lre profile details Display information about the LRE profiles.
show controllers lre status Display the LRE link statistics and profile information on an LRE switch port.
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