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Sun Ethernet Fabric Operating System

SLB Administration Guide

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Document Information

Using This Documentation

Product Notes

Related Documentation

Acronyms and Abbreviations

CLI Command Modes

Feedback

Support and Accessibility

SLB Overview

Configuring the SLB Topology Example

SLB Description

SLB Topology Example

SLB Configuration Guidelines and Prerequisites

Default Settings

Configuring the SLB-L2 Topology Example

SLB-L2 Description

SLB-L2 Topology Example

SLB-L2 Configuration Guidelines and Prerequisites

Default Settings

Conditions for a Member Participating in Load Distribution

Configuring SLB Entries

Create SLB Server Members

Remove SLB Server Members

Set the Traffic Distribution Policy

Restore the Default Traffic Distribution Policy

Create Multiple LBGs

Set the ICMP Parameters

Set the Health-Monitor Parameters

Server Health-Check Function

Configuring SLB-L2 Entries

Create SLB-L2 Server Members

Remove SLB-L2 Port Members

View the Traffic Distribution Policy

Restore the Default Traffic Distribution Policy

Set the Failover Method

Restore the Default Failover Method

Create Multiple SLB-L2 Groups

Creating Example SLB Configurations

Creating a Basic SLB Configuration

Basic SLB Configuration

Basic SLB Configuration Steps

Set Up the Switch (Basic SLB)

Set Up the Client (Basic SLB)

Set Up the Server (Basic SLB)

Enable the Switch Ports (Basic SLB)

Save the Current Configuration (Basic SLB)

Creating a Separate VLAN SLB Configuration

Separate VLAN SLB Configuration

Configuration With Separate VLANs Steps

Set Up the Switch (Separate VLAN SLB)

Set Up the Client (Separate VLAN SLB)

Set Up the Server (Separate VLAN SLB)

Enable the Switch Ports (Separate VLAN SLB)

Save the Current Configuration (Separate VLAN SLB)

Creating a Multiple SLB Group Configuration

Multiple-SLB-Group Configuration

Configuration With Multiple SLB Groups Steps

Set Up Switch A

Set Up Switch B

Set Up the Client (Multiple SLB Group)

Set Up the Servers in SLB Group 1

Set Up the Servers in SLB Group 2

Enable the Switch Ports (Multiple SLB Group)

Save the Current Configuration (Multiple SLB Group)

Creating a Failover Example

Failover Example

Trigger a Failover

Restart the Server Following Failure

Creating SLB-L2 Configuration Examples

Bump-In-The-Wire Configuration

Creating a Single-Switch Configuration

Basic Single-Switch Configuration

Create a Single-Switch Configuration

Creating a Dual-Switch Configuration

Dual-Switch Configuration

Create a Dual-Switch Configuration

Creating an SLB-L2 Failover Example

SLB-L2 Failover Example

Trigger a Failover

Restart the Interface Following Failure

Trigger a Failover

You can simulate a link failure by shutting down one of the switch ports. This example shuts down port 16.

  1. Shut down a switch port.
    SEFOS# configure terminal
    SEFOS(config)# interface extreme-ethernet 0/16
    SEFOS(config-if)# shutdown
    SEFOS(config-if)# end
  2. After a few seconds, examine the SLB-L2 output.
    SEFOS# show slb l2
     
    L2 SLB Group #1
    Failover Method: Failover to All ports
     
    Members:
    Port   State     Comments
    ====   =====     =================
     15    ACTIVE
     16    FAILED     Failover to All ports
     17    ACTIVE
     18    ACTIVE

    This output shows that port 16 has failed. The port's state changed from active to failed. The traffic hashed to the server for port 16 will be rehashed to all remaining active ports.