Brocade Communications Systems 12.4.00 manual Global server load balancing for IPv6 overview

Displaying GSLB information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165 Displaying site information . . . . . . . . . . . . . . . . . . . . . . . . . . . .165 Displaying real server information . . . . . . . . . . . . . . . . . . . . . .168 Displaying DNS zone and hosts . . . . . . . . . . . . . . . . . . . . . . . .170 Displaying metric information . . . . . . . . . . . . . . . . . . . . . . . . . . 174 Displaying the default GSLB policy . . . . . . . . . . . . . . . . . . . . . .175 Displaying the user-configured GSLB policy. . . . . . . . . . . . . . . 177 Displaying RTT information . . . . . . . . . . . . . . . . . . . . . . . . . . . .178 Displaying GSLB resources . . . . . . . . . . . . . . . . . . . . . . . . . . . .180 Displaying dynamic server information . . . . . . . . . . . . . . . . . .181 Specifying the source IP of probes . . . . . . . . . . . . . . . . . . . . . .184 Displaying information in the prefix cache . . . . . . . . . . . . . . . .184

SNMP traps and syslog messages. . . . . . . . . . . . . . . . . . . . . . . . . .186 Syslog messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .187 Disabling and re-enabling traps . . . . . . . . . . . . . . . . . . . . . . . .188

GSLB error handling for unsupported DNS requests . . . . . . . . . . .188 Default settings for GSLB error handling . . . . . . . . . . . . . . . . .189 Error handling response format . . . . . . . . . . . . . . . . . . . . . . . .190 Disable or re-enabling GSLB error handling. . . . . . . . . . . . . . .190 Configuring the return code . . . . . . . . . . . . . . . . . . . . . . . . . . .190 Viewing error handling statistics . . . . . . . . . . . . . . . . . . . . . . . .191 Clearing the error handling statistics . . . . . . . . . . . . . . . . . . . .191

Chapter 2	Global Server Load Balancing for IPv6
	Global server load balancing for IPv6 overview	193
	GSLB for IPv6 feature support	194
	GSLB for IPv6 example	195

Basic GSLB for IPv6 configuration . . . . . . . . . . . . . . . . . . . . . . . . . .196 Configuring the GSLB controller . . . . . . . . . . . . . . . . . . . . . . . .197 Site ServerIron ADX configuration. . . . . . . . . . . . . . . . . . . . . . .201 Basic configuration example. . . . . . . . . . . . . . . . . . . . . . . . . . .201

Advanced GSLB configuration for IPv6 . . . . . . . . . . . . . . . . . . . . . .203 Configuring GSLB policy metrics for IPv6 . . . . . . . . . . . . . . . . .204 Server (host) health metric . . . . . . . . . . . . . . . . . . . . . . . . . . . .208 Weighted IP metric. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .209 Weighted site metric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .211 Session capacity threshold metric . . . . . . . . . . . . . . . . . . . . . .213 Active bindings metric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214 Geographic location metric . . . . . . . . . . . . . . . . . . . . . . . . . . . .216 Available session capacity metric . . . . . . . . . . . . . . . . . . . . . . .218 FlashBack speed metric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .219 Administrative preference metric . . . . . . . . . . . . . . . . . . . . . . .220 Least response selection metric. . . . . . . . . . . . . . . . . . . . . . . .221 Round robin selection metric . . . . . . . . . . . . . . . . . . . . . . . . . .221 Sticky persistence for IPv6 . . . . . . . . . . . . . . . . . . . . . . . . . . . .222 Hash-based persistence for IPv6 . . . . . . . . . . . . . . . . . . . . . . .225 Weighted hash-based persistence for IPv6 . . . . . . . . . . . . . . .226 Configuring DNS response parameters . . . . . . . . . . . . . . . . . .229 GSLB of ANY queries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .230

vi	ServerIron ADX Global Server Load Balancing Guide
	53-1002437-01