Chapter 12 Configuring EtherChannels
Configuring EtherChannels
Router# show interfaces fastethernet 5/6 etherchannel
Port state | = Down |
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Channel group | = 12 | Mode = | Gcchange = 0 | ||
= | null | GC = | 0x00000000 | Pseudo | |
2 |
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Port index | = | 0 | Load = | 0x00 | Protocol = PAgP |
Flags: S - Device is sending Slow hello. A - Device is in Auto mode.
d - PAgP is down.
Timers: H - Hello timer is running.
S - Switching timer is running.
Local information:
C - Device is in Consistent state. P - Device learns on physical port.
Q - Quit timer is running.
I - Interface timer is running.
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| Hello | Partner | PAgP | Learning | Group |
Port | Flags | State | Timers Interval | Count | Priority | Method | Ifindex |
Fa5/2 | d | U1/S1 | 1s | 0 | 128 | Any | 0 |
Age of the port in the current state: 04d:18h:57m:19s
This example shows how to verify the configuration of port channel interface 2 after the LAN ports have been configured:
Router# show etherchannel 12 port-channel
Age of the | = 04d:18h:58m:50s | ||
Logical slot/port | = 14/1 | Number of ports = 0 | |
GC | = 0x00000000 | HotStandBy port = null | |
Port state | = | ||
Protocol | = | PAgP |
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Router#
Configuring the LACP System Priority and System ID
The LACP system ID is the combination of the LACP system priority value and the MAC address of the router.
To configure the LACP system priority and system ID, perform this task:
| Command | Purpose |
Step 1 |
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Router(config)# lacp | (Optional for LACP) Valid values are 1 through 65535. | |
| priority_value | Higher numbers have lower priority. The default is 32768. |
| Router(config)# no lacp | Reverts to the default. |
Step 2 |
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Router(config)# end | Exits configuration mode. | |
Step 3 |
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Router# show lacp | Verifies the configuration. | |
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This example shows how to configure the LACP system priority:
Router# configure terminal
Router(config)# lacp
Router(config)# end
| Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX |
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