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S9700 Core Routing Switch
Configuration Guide - SPU
The timeout interval of a probe is set.
The timeout interval of a probe must be smaller than the probing interval of a probe and the
interval for a probe to detect that a server member is Down.
By default, the timeout interval of a probe is 10s.
Step 7 (Optional) Run:
retry-count times
The retry count of a probe is set when a server member is in Up state.
By default, the retry count of a probe is 3 when a server member is in Up state.
Step 8 (Optional) Run:
fail-interval interval
The interval for a probe to detect that a server member is Down is set.
The interval for a probe to detect that a server member is Down must be greater than the timeout
interval of a probe.
By default, the interval for a probe to detect that a server member is Down is 60s.
Step 9 (Optional) Run:
fail-retrycount times
The retry count for a probe to detect server recovery is set.
By default, the retry count for a probe to detect server recovery is 3.
Step 10 (Optional) Run the following command as required.
l For a TCP probe or a UDP probe, do as follows:
l For an HTTP probe, do as follows:
Issue 01 (2012-03-15)
NOTE
After a TCP connection is established, if packets of the TCP connection fail to be transmitted, the system
uses the TCP retransmission mechanism. It is recommended that the timeout interval of TCP probes be
greater than the timeout interval of TCP transmission. By default, the timeout interval of TCP transmission
is 6s. If multiple probes are configured, it is recommended that the timeout interval of probes be greater
than or equal to the default value.
– Run:
send-data data
The sent data of a TCP probe or a UDP probe is set.
– Run:
expect-data data
The expected response data of a TCP probe or a UDP probe is set.
A TCP probe or a UDP probe determines whether a server member works normally by
comparing the sent data and the expected response data. If the response data from the server
member is the same as the expected response data, it indicates that the server member works
normally. If the server member does not respond or the response data is different from the
expected response data, it indicates that the server member works abnormally.
By default, the sent data or the expected response data of a TCP probe or a UDP probe is not
set.
– Run:
request method { get | head } url url
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6 Load Balancing Configuration
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