Configures a software-controlled redundant port.
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primaryPort |
Specifies one primary port or slot and port. |
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redundantPort secondaryPort |
Specifies one or redundant port or slot and port. |
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link |
Specifies state of link: on—Specifies keeping the redundant port active, but block trafficoff—Specifies forcing the link down on the redundant portNote: The default value
is off.
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N/A.
The first port specifies the primary port. The second port specifies the redundant port.
A software-controlled redundant port is configured to back up a specified primary port; both ports are on the same device. The redundant port tracks the link state of the associated primary port, and if the link on the primary port fails, the redundant port establishes a link and becomes active. You can back up a specified Ethernet port with a redundant, dedicated Ethernet port.
You configure the redundant link to be always physically up but logically blocked or to be always physically down. The default is off, or the redundant link is down.
You can configure only one redundant port for each primary port.
You cannot have any Layer 2 protocols configured on any of the VLANs that are present on the ports. (You will see an error message if you attempt to configure software redundant ports on ports with VLANs running Layer 2 protocols.)
The primary and redundant port must have identical VLAN memberships.
The master port is the only port of a load-sharing group that can be configured as either a primary or redundant port. (The entire trunk must go down before the software-controlled redundant port takes effect.)
Only one side of the link should be configured as redundant.
The following command configures a software-controlled redundant port:
configure ports 1:3 redundant 2:3
This command was available in ExtremeXOS 11.1.
This command is available on ExtremeSwitching 5320, 5420, 5520, and 5720 series switches.