Extreme Networks ExtremeWare 7.3.0, Command Reference Manual

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458 ExtremeWare Software 7.3.0 Command Reference Guide
SLB Commands
configure slb failover unit
configure slb failover unit <number> remote-ipaddress <ip address>
local-ipaddress <ip address> {L4-port <port number>}
Description
Configures the switch for active-active operation.
Syntax Description
Default
The default L4-port is 1028.
Usage Guidelines
You must configure both active switches. You must use the actual IP address of the switches for the
remote-ip
and
local-ip
; you cannot use the IP address of a virtual server.
To enable active-active operation, use the following command:
enable slb failover
Extreme Networks recommends that you use a dedicated layer 2 VLAN to connect the two active-active
switches.
Example
The following command configures the local SLB switch (with an IP address of 10.10.10.22) to direct
unit 2 virtual servers to failover to the SLB switch with an IP address of 10.10.10.21:
configure slb failover unit 2 remote-ipaddress 10.10.10.21 local-ipaddress 10.10.10.22
History
This command was first available in ExtremeWare 6.1.
Platform Availability
This command is available on all platforms.
unit Specifies a unit identifier on a virtual server. The range is 1 to 16.
number Specifies a number from 1 - 16.
remote-ipaddress Specifies the remote peer IP address.
local-ipaddress Specifies the local failover IP address.
ip address Specifies an IP address.
L4-port Specifies the TCP port used for keep alive packets between failover peers.
port number Specifies a port.