Monday, 20 March 2023
Job Opportunities in CCNA Networking for the Textile Industry in Faisalabad
Friday, 6 January 2023
Verify and Troubleshoot EtherChannel
To verify EtherChannel configuration on a Cisco router or switch, you can use the following commands:
show etherchannel summary
: Displays a summary of the EtherChannels in the system, including the port-channel interface number, load-balancing method, and the interfaces that are part of each EtherChannel.show etherchannel port-channel
: Displays detailed information about the specified port-channel interface, including the status of the port-channel, the interfaces that are part of the channel, and the channel group mode.show interfaces port-channel {port-channel number}
: Displays detailed information about the specified port-channel interface, including the status of the port-channel, the interfaces that are part of the channel, and the channel group mode.
To troubleshoot EtherChannel issues on a Cisco router or switch, you can try the following:
Check the status of the EtherChannel and the individual interfaces that are part of the channel using the
show etherchannel port-channel
andshow interfaces
commands.Make sure that the EtherChannel is configured correctly, including the correct load-balancing method and the correct interfaces that are part of the channel.
Check for any errors or discrepancies on the interfaces that are part of the EtherChannel.
Check for any physical issues with the interfaces or cables, such as damaged cables or faulty ports.
If the EtherChannel is configured correctly but is still not functioning as expected, you may need to try disabling and re-enabling the channel or individual interfaces to reset them.
If these steps do not resolve the issue, you may need to consult the documentation or seek further assistance.
There are several keywords that are commonly used when configuring EtherChannels on Cisco routers and switches:
channel-group
: Specifies the channel group number for the interface.mode
: Specifies the mode of the channel group. There are two modes available:active
andpassive
. In active mode, the interface actively tries to form an EtherChannel. In passive mode, the interface will only form an EtherChannel if it receives a request from another interface.load-balance
: Specifies the load-balancing method for the EtherChannel. There are several options available, includingsrc-dst-ip
,src-dst-mac
, andsrc-dst-port
.port-channel
: Specifies the port-channel interface number for the EtherChannel.switchport
: Enables the interface for switching.switchport mode trunk
: Configures the interface as a trunk interface.switchport trunk allowed vlan
: Specifies the VLANs that are allowed on the trunk interface.no shutdown
: Enables the interface.description
: Adds a description to the interface.
Friday, 30 December 2022
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Thursday, 17 November 2022
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