Version 7.2 385 Mediant 800B Gateway & E-SBC
User's Manual 17. Control Network
Parameter Description
Redundancy Mode
proxy-redundancy-mode
[ProxySet_ProxyRedundancy
Mode]
Determines whether the device switches from a redundant proxy to
the primary proxy when the primary proxy becomes available again.
[-1] = Not configured (Default). Proxy redundancy method is
according to the settings of the global parameter,
ProxyRedundancyMode.
[0] Parking = The device continues operating with the redundant
(now active) proxy even if the primary proxy returns to service. If
the redundant proxy subsequently becomes unavailable, the
device operates with the next configured redundant proxy.
[1] Homing = The device always attempts to operate with the
primary proxy. The device switches back to the primary proxy
whenever it becomes available.
Note:
To enable this functionality, you must also enable the Proxy
Keep-Alive feature (see the 'Proxy Keep-Alive' parameter in this
table).
The Homing option can only be used if the 'Proxy Keep-Alive'
parameter is set to Using Options.
Proxy Hot Swap
is-proxy-hot-swap
[ProxySet_IsProxyHotSwap]
Enables the Proxy Hot-Swap feature, whereby the device switches
to a redundant proxy upon a failure in the primary proxy (no
response is received).
[0] Disable = (Default) Disables the Proxy Hot-Swap feature. If a
failure occurs in te primary proxy, the device does not connect
with any other address (proxy) configured for the Proxy Set.
[1] Enable = The device sends SIP INVITE/REGISTER
messages to the first address listed in the Proxy Address table
that is configured for the Proxy Set. If a SIP response is received
and this response code is configured in the Alternative Routing
Reasons table (see Configuring SIP Response Codes for
Alternative Routing Reasons on page 544) for SBC, or in the
Reasons for Tel-to-IP Alternative Routing table (see Alternative
Routing Based on SIP Responses on page 728
device assumes that the proxy is down and sends the message
to the next available proxy (address) in the list.
Proxy Load Balancing Method
proxy-load-balancing-method
[ProxySet_ProxyLoadBalancin
gMethod]
Enables load balancing between proxy servers of the Proxy Set.
[0] Disable = (Default) Disables proxy load balancing.
[1] Round Robin = A list of all possible proxy IP addresses is
compiled. This list includes all IP addresses of the Proxy Set
after DNS resolutions (including NAPTR and SRV, if configured).
After this list is compiled, the Proxy Keep-Alive feature (enabled
by the 'Proxy Keep-Alive' and 'Proxy Keep-Alive Time'
parameters in this table) tags each entry as "offline" or "online".
Load balancing is only performed on proxy servers that are
tagged as "online". All outgoing messages are equally distributed
across the list of IP addresses. REGISTER messages are also
distributed unless a RegistrarIP is configured. The IP address list
is refreshed every user-defined interval (see the
ProxyIPListRefreshTime parameter). If a change in the order of
the IP address entries in the list occurs, all load statistics are
erased and balancing starts over again.
[2] Random Weights = The outgoing requests are not distributed
equally among the Proxies. The weights are received from the
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