Version 6.4 105 March 2012
SIP User's Manual 10. Network
Parameter Description
[5] Media + Control = Media and Call Control applications.
[6] OAMP + Media + Control = All application types are allowed on
the interface.
Note: For valid configuration guidelines, see 'Multiple Interface Table
Configuration Summary and Guidelines' on page 112.
Web/EMS: IP Address
[InterfaceTable_IPAddres]
The IPv4 IP address in dotted-decimal notation.
Notes:
Each interface must be assigned a unique IP address.
When booting using BootP/DHCP protocols, an IP address is
obtained from the server. This address is used as the OAMP
address for the initial session, overriding the address configured
using the InterfaceTable. The address configured for OAMP
applications in this table becomes available when booting from
flash again. This enables the device to operate with a temporary
address for initial management and configuration while retaining
the address to be used for deployment.
Web/EMS: Prefix Length
[InterfaceTable_PrefixLeng
th]
Defines the Classless Inter-Domain Routing (CIDR)-style
representation of a dotted decimal subnet notation. The CIDR-style
representation uses a suffix indicating the number of bits which are set
in the dotted decimal format (e.g. 192.168.0.0/16 is synonymous with
192.168.0.0 and a subnet of 255.255.0.0. Defines the number of ‘1’
bits in the subnet mask (i.e., replaces the standard dotted-decimal
representation of the subnet mask for IPv4 interfaces). For example: A
subnet mask of 255.0.0.0 is represented by a prefix length of 8 (i.e.,
11111111 00000000 00000000 00000000), and a subnet mask of
255.255.255.252 is represented by a prefix length of 30 (i.e.,
11111111 11111111 11111111 11111100).
The prefix length is a Classless Inter-Domain Routing (CIDR) style
presentation of a dotted-decimal subnet notation. The CIDR-style
presentation is the latest method for interpretation of IP addresses.
Specifically, instead of using eight-bit address blocks, it uses the
variable-length subnet masking technique to allow allocation on
arbitrary-length prefixes (refer to
http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing for more
information).
For IPv4 Interfaces, the prefix length values range from 0 to 31.
Note: Subnets of different interfaces must not overlap in any way
(e.g., defining two interfaces with 10.0.0.1/8 and 10.50.10.1/24 is
invalid). Each interface must have its own address space.
Web/EMS: Gateway
[InterfaceTable_Gateway]
Defines the IP address of the default gateway for this interface.
Notes:
A default gateway can be defined for each interface.
The default gateway's IP address must be in the same subnet as
the interface address.
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