Disabling An Etherchannel; Displaying Spanning Tree-Related Information For Etherchannels - Cisco WS-C2948G-GE-TX Configuration Manual

Configuring EtherChannel Using LACP

Disabling an EtherChannel

To disable an EtherChannel, perform this task for ports 2/2 to 2/8:
Task
Disable an EtherChannel.
This example shows how to disable an EtherChannel:
Console> (enable) set port lacp-channel 2/2-8 mode off
Port(s) 2/2-8 channel mode set to off.
Console> (enable)

Displaying Spanning Tree-Related Information for EtherChannels

You can display the channel ID and the truncated port list for all ports that are channeling. Ports that are
not channeling are identified by their port number.
To display spanning tree-related information for EtherChannels, perform this task:
Task
Display spanning-tree related information for
EtherChannels.
These examples show how to display spanning tree-related information for EtherChannels:
Console> show spantree 4/6
Port
------------------------ ---- ------------- ----- -------- ---------- ----------
4/6
Console>
Console> show spantree 4/7-8
Port
------------------------ ---- ------------- ----- -------- ---------- ----------
4/7-8
Console>
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
6-22
Chapter 6
Command
set port lacp-channel mod/port mode off
Vlan Port-State Cost
1 not-connected
Vlan Port-State Cost
1 blocking
Configuring Fast EtherChannel and Gigabit EtherChannel
Command
show spantree mod/port
Priority Portfast Channel_id
4 32 disabled 0
Priority Portfast Channel_id
3 32 disabled 770
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