Switchport Backup Interface - Cisco Nexus 5500 Series Command Reference Manual
Nx-os layer 2 interfaces command reference
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Also See for Nexus 5500 Series:
- Hardware installation manual (142 pages) ,
- Command reference manual (378 pages) ,
- Configuration manual (160 pages)
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Chapter
S Commands
switchport backup interface
To configure Flex Links, which are two interfaces that provide backup to each other, on a Layer 2
interface, use the switchport backup interface command. To remove the Flex Links configuration, use
the no form of this command.
Syntax Description
ethernet slot/[QSFP-module/]port
port-channel channel-no
multicast
fast-convergence
preemption
delay delay-time
mode
bandwidth
forced
off
Command Default
None
Command Modes
Interface configuration mode
Command History
Release
6.0(2)N1(1)
5.2(1)N1(1)
OL-27880-02
switchport backup interface {ethernet slot/[QSFP-module/]port| port-channel channel-no}
[multicast fast-convergence | preemption {delay delay-time | mode [bandwidth | forced |
off]}]
no switchport backup interface {ethernet slot/[QSFP-module/]port| port-channel channel-no}
[multicast fast-convergence | preemption {delay delay-time | mode [bandwidth | forced |
off]}]
Modification
Support for the QSFP+ GEM was added.
This command was introduced.
Specifies the backup Ethernet interface. The slot number is from
1 to 255. The QSFP-module number is from 1 to 4. The port
number is from 1 to 128.
The QSFP-module number applies only to the QSFP+
Note
Generic Expansion Module (GEM).
Specifies the port channel interface. The interface number is
from 1 to 4096.
(Optional) Specifies to configure the multicast parameters.
(Optional) Configures fast convergence on the backup interface.
(Optional) Specifies to configure a preemption scheme for a
backup interface pair.
(Optional) Specifies a preemption delay. The range is from 1 to
300 seconds.
(Optional) Specifies the preemption mode.
(Optional) Specifies that the interface with the higher available
bandwidth always preempts the backup.
(Optional) Specifies the interface that always preempts the
backup.
(Optional) Specifies no preemption occurs from backup to
active.
Cisco Nexus 5500 Series NX-OS Layer 2 Interfaces Command Reference
switchport backup interface
1225
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