Server Health Check Probes
If the page that is returned contains the correct response string (in the first 1024 characters,
including headers) the server is marked “UP”; if
ALL OK
were not present, the server is marked
“DOWN”.
L4 TCP probes (acvd) are performed on servers running TCP protocol only.Verify that the
Probe
Layer 4
option is enabled on server instances on server pools using ACV.
Setting the ACV Query and Response Strings in the CLI
1. Log in to the CLI.
2. Select a server pool on which you will apply ACV Query and Response strings.
3. Enter the ACV query string in the following format using the guidelines above.
eqcli >
srvpool
srvpool
acvq
acv query string
4. Enter the ACV response string in the following format, using the guidelines above.
eqcli >
srvpool
srvpool
acvr
acv response string
The following commands are all examples of valid ACV string commands:
eqcli >
srvpool
srvpool_name
acvr Up
eqcli >
srvpool
srvpool_name
acvr "This is a response string with spaces."
eqcli >
srvpool
srvpool_name
acvr "This is a response string with \"quotes\"."
5. Enter
eqcli >
commit
to save the query and response string.
Testing ACV Probes
You can test the ACV probe configuration in the CLI by entering the following:
eqcli >
srvpool name test acv [
server_name
]
If the
server_name
is specified, only that server is probed. If
server_name
is omitted, all servers
in the server pool are probed. Results are returned for each server by name.
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Copyright © 2014 Coyote Point Systems, A Subsidiary of Fortinet, Inc.
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