Coyote Point Systems E350GX, Руководство по установке и администрированию

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Equalizer Installation and Administration Guide 207
Chapter 8:
Using Match Rules
This chapter tells you all you need to know to create Layer 7 Match Rules that load balance requests based on the
content in the payload of the requests, as well as the header information and other request characteristics.
Why Match Rules? ................................................................................................................................208
Match Rules Overview ....................................................................................................................208
Match Rule Processing ...................................................................................................................209
Match Rules, the Once Only Flag, and Cookies .............................................................................210
General Match Expressions and Match Bodies ..................................................................................211
Match Expressions ..........................................................................................................................211
Match Bodies ...................................................................................................................................212
Match Rule Definitions ....................................................................................................................213
Managing Match Rules .........................................................................................................................214
The Match Rules Table ...................................................................................................................214
The Default Match Rule ...................................................................................................................215
Creating a New Match Rule ............................................................................................................216
Modifying a Match Rule ...................................................................................................................219
Removing a Match Rule ..................................................................................................................219
Match Functions ....................................................................................................................................219
Match Function Notes .....................................................................................................................224
Match Rule Behavior When Server Status is not ‘Up’ ............................................................. 224
Considering Case in String Comparisons ............................................................................... 224
Regular Expressions ............................................................................................................... 225
Supported Headers ................................................................................................................. 225
HTTPS Protocol Matching....................................................................................................... 225
Supported Characters in URIs ................................................................................................ 226
Logical Operators and Constructs in the GUI ..................................................................................226
Using Responders in Match Rules ......................................................................................................227
Example Match Rules ...........................................................................................................................227
Parsing the URI Using Match Rules ................................................................................................227
Changing Persistence Settings Using Match Rules ........................................................................229
Changing the Spoof (SNAT) Setting Using Match Rules ................................................................231
Server Selection Based on Content Type Using Match Rules ........................................................233
Using the Custom Load Balancing Policy with Match Rules ...........................................................235
Match Rules
are not
supported
on E250GX
model
Equalizers