User's Manual 274 Document #: LTRT-42060
Mediant 2600 E-SBC
Parameter Description
[ProxySet_FailureDetectionRetrans
missions]
device sends to an offline proxy, before the device considers
the proxy as being offline.
The valid range is -1 to 255. The default is -1 (i.e., the settings
of the global parameter SIPMaxRtxis applied).
Note: The parameter is applicable only if the 'Proxy Keep-Alive'
parameter is set to Using Options.
Web: Proxy Load Balancing
Method
EMS: Load Balancing Method
CLI: voip-network proxy-set >
proxy-load-balancing-method
[ProxySet_ProxyLoadBalancing
Method]
Enables the Proxy Load Balancing mechanism per Proxy Set.
[0] Disable = Load Balancing is disabled (default)
[1]
Round Robin = A list of all possible Proxy IP addresses is
compiled. This list includes all IP addresses per Proxy Set
after necessary DNS resolutions (including NAPTR and
SRV, if configured). After this list is compiled, the Proxy
Keep-Alive mechanism (according to parameters
EnableProxyKeepAlive and ProxyKeepAliveTime) 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 addresses list is
refreshed according to ProxyIPListRefreshTime. If a change
in the order of the 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 DNS server, using SRV records. The
device sends the requests in such a fashion that each Proxy
receives a percentage of the requests according to its'
assigned weight. A single FQDN should be configured as a
Proxy IP address. Random Weights Load Balancing is not
used in the following scenarios:
The Proxy Set includes more than one Proxy IP
address.
The only Proxy defined is an IP address and not an
FQDN.
SRV is not enabled (DNSQueryType).
The SRV response includes several records with a
different Priority value.
Web/EMS: Is Proxy Hot Swap
CLI: voip-network proxy-set > is-
proxy-hot-swap
[ProxySet_IsProxyHotSwap]
Enables the Proxy Hot-Swap redundancy mechanism, which
provides real-time switching from the primary Proxy server to
redundant Proxies when no response is received from the
primary.
[0] No (default)
[1] Yes = 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
378) for SBC, the device assumes that the proxy is down
and sends the message to the next available proxy (address)
in the list.
Web/EMS: Proxy Redundancy
Mode
CLI: voip-network proxy-set >
Determines whether the device switches from a redundant
Proxy to the primary Proxy when it becomes available again.
[-1] Not configured = (Default) The global parameter,
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