CHAPTER16 Services
Mediant 1000 Gateway & E-SBC | User's Manual
Parameter Description
Note: The NGINX directive for this parameter is "server
ip:port max_conns=n".
'Backup'
backup
[UpstreamHost_Backup]
Enables the host to serve as a backup host. The
backup host does not receive any requests unless all
the primary hosts in the Upstream Group are down.
■ [0] Disable (default)
■ [1] Enable
Note: The NGINX directive for this parameter is "server
ip:port backup".
Configuring HTTP Directive Sets
The HTTP Directive Sets table lets you configure up to 30 HTTP Directive Sets. The table lets you
configure additional custom directives to HTTP Proxy server configuration. These directives are
reflected in the configuration file generated for the NGINX HTTP Proxy. The directives of each
HTTP Directive Set is configured in the HTTP Directives table (see Configuring HTTP Directives
on the next page), which is a "child" of the HTTP Directive Sets table.
Directives are grouped into Directive Sets, which you can then assign to HTTP Proxy Servers (see
Configuring HTTP Proxy Servers on page260), HTTP Locations (see Configuring HTTP Locations
on page262), and TCP/UDP Proxy Servers (see Configuring TCP- UDP Proxy Servers on
page266), using the 'Additional Directive Set' parameter in their respective tables.
For example, to control behavior of specific encoding and communication parameters relating to a
particular location, you can configure the following NGINX directives:
chunked_transfer_encoding off;
keepalive_timeout 50s;
● The device does not validate Directive Sets, which it passes directly to the NGINX
configuration file. If the configured directives are not entered using the correct
syntax, NGINX rejects the new configuration. For more information, refer to the
NGINX documentation at http://nginx.org/en/docs . An alphabetical index to all
directives can be found at http://nginx.org/en/docs/dirindex.html.
● By default, the device is configured with an HTTP Directive Set for rate limiting.
This directive ensures that priority is given to network traffic carrying SIP signaling
and media over HTTP traffic. It is highly recommended to configure these
limitations on the HTTP Proxy. This HTTP Directive Set includes the following
directives:
✔ "limit_conn": Specifies the maximum number of simultaneous client
connections (default 100).
✔ "limit_rate": Specifies the bandwidth limit per connection (bytes per second).
This syntax supports a suffix of "k" for kilobytes and "m" for megabytes. The
default is 0.
The following procedure describes how to configure HTTP Directive Sets through the Web
interface. You can also configure it through ini file [HTTPDirectiveSets] or CLI (configure
network > http-proxy > directive-sets).
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