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The

Spacevars
0series4
supports configuring up to 14 alternate media addresses using the parameter Alt Media Ip Addresses when configuring IP interfaces. Any combination of IPv4/IPv6 is allowed and applies to all supported protocols (SIP, H.323, GW-GW).

A total of 4,096 IP Addresses are supported. One example of assigning 4,096 IP addresses is to assign 16 IP addresses (one primary IP AddressesAddress, one Alternate IP Addresss Address and 14 Alternate Media IP Addresses) to each of 256 254 interfaces. Another possible combination is to assign eight IP Addresses (one Primary IP Address and seven Alternate Media IP Addresses) to each of the 512 254 interfaces. In the extreme case, each of the 4,096 interfaces are assigned a single primary IP address. Please note that most user configurations will not need to use 4,096 IP addresses.

Alternate Media IP’s are chosen based on Round Robin method (e.g. the first call uses the primary IP and port, the second call uses the first configured alternate Media IP and port, the third call uses the second configured alternate Media IP, etc.). Each alternate Media IP must be unique across all interfaces in the same addressContext. However, the IPs may overlap between SIP, H.323 or Gateway signaling addresses in the same Address Context.

Note
  • Maximum 254 IP addresses are configured on each LIF for IPv4 and/or IPv6 addresses.
  • SBC 7000 series system supports 8192 IP addresses.
  • SBC 5xx0 series system supports 4096 IP addresses.
  • SBC SWe supports maximum number of 64 alternate Media  IP addresses per virtual Network Interface Controller (vNIC).

The following constraints apply:

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1All - Address Context - Ip Interface Group - Ip Interface - Alt Media Ip Addresses Main Field
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The Alt Media Ip Addresses window is displayed.

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1All - Address Context - Ip Interface Group - Ip Interface - Alt Media Ip Addresses
 

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To Edit Alt Media Ip Addresses

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1All - Address Context - Ip Interface Group - Ip Interface - Alt Media Ip Addresses Highlighted
 

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The Edit Selected Alt Media Ip Addresses window is displayed below.

 
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1All - Address Context - Ip Interface Group - Ip Interface - Alt Media Ip Addresses Edit Window
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The object Alt Media Ip Addresses cannot be edited as the fields are read-only.

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1All - Address Context - Ip Interface Group - Ip Interface - Alt Media Ip Addresses Fields
 

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The Create New Alt Media Ip Addresses window is displayed.

 
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1All - Address Context - Ip Interface Group - Ip Interface - Alt Media Ip Addresses Create Window
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The following fields are displayed:

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0Table
1Alt Media Ip Addresses Parameters

 

Parameter

Description

Alt Media IP Addresses

Use this parameter to specify up to 14 additional IPv4 and/or IPv6 media IP addresses on this IP interface. Any combination of IPv4 and IPv6 is allowed. The following rules apply when configuring alternate media IP addresses:

  • An IPv4/IPv6 alternate media IP address is only allowed if an IPv4/IPv6 address is defined in the primary or alternate (main) address.
  • An alternate media IP address must be in the same network as the primary media address (of the same IP version). Hence, CPX needs to determine the subnet based on the primary/alt IP address and primary/alt prefix, and then verify that the given alternate media address is on the same subnet.
  • An alternate media IP address may be added while the IP interface is enabled and in-service. However, the IP can only be deleted when the IP interface state is set to "disabled".
Note

This parameter is only visible on the

Spacevars
0series2
System.

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1All - Address Context - Ip Interface Group - Ip Interface - Alt Media Ip Addresses Highlighted
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Click Delete at the end of the highlighted row. A delete confirmation message appears seeking your decision.

 
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1All - Address Context - Ip Interface Group - Ip Interface - Alt Media Ip Addresses Delete Confirmation
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Click OK Yes to remove the specific Alt Media Ip Addresses from the list.

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