Coyote Point Systems E350GX, Руководство по установке и администрированию

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Managing Match Rules
Equalizer Installation and Administration Guide 215
The Default Match Rule
All Layer 7 clusters created via the Equalizer Administration Interface start with a single match rule (named
Default
) that matches all requests and selects all servers.
match Default {
any()
} then {
servers = all;
}
The default rule specifies that all servers defined in the cluster should be used for load balancing the request, and
that all flag settings for the request will be inherited from the cluster flag settings. This rule is always the last match
rule in the ordered list of match rules for a cluster. You cannot modify, delete, or move this match rule.
The Default rule can be viewed by clicking in the left frame on
match Default
for any Layer 7 cluster. (If you have
not created a Layer 7 cluster, see “Working with Virtual Clusters” on page 112). Figure 45 shows the default match
rule for an HTTPS cluster on an E650GX with two servers.
Figure 45 A Default match rule shown in the Match Rule dialog box
Note that although the Default match rule cannot be modified or deleted, it can be overridden. Do this by creating a
new rule
immediately before the Default that uses
any()
as the matching expression, so that the Default match rule