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18-8 Preliminary May 9, 2000 APX 8000/MAX TNT/DSLTNT Physical Interface Configuration Guide
Signaling System 7 (SS7)
Configuring an SS7 signaling gateway
For some sites, administrative policy or other constraints introduce a requirement to use the
system address for some purposes, but to use a separate source address for communication
with the signaling gateway. For example, although a site might require a certain system address
for compatibility with other routers, this requirement might cause an address space conflict, or
might cause delays and time-outs in the receipt of acknowledgements from signaling
gateways. Or, a site might decide to separate the signaling control network from the Internet
for security purposes.
To enable sites to integrate TAOS units into their infrastructure and at the same time
communicate efficiently with signaling gateways, the following parameter (shown with its
default value) was introduced:
[in SS7-GATEWAY]
use-system-ip-address-as-source = yes
When this parameter is set to no, the TAOS unit does not use the system address as its source
address for signaling packets. Instead, it uses the IP address of the Ethernet interface on which
the signaling packets are sent. When the parameter is set to yes, the TAOS unit uses the same
system address for signaling packets as for all other packets generated by the system.
Example of a basic configuration
The following commands configure an SS7-Gateway profile for a single TCP connection to a
signaling gateway running IPDC:
admin> read ss7-gateway
SS7-GATEWAY read
admin> set enabled = yes
admin> set primary-ip-address = 1.1.1.1
admin> set primary-tcp-port = 5000
admin> write
SS7-GATEWAY written
Note: For the link to become active, the signaling gateway must have a matching entry for the
TAOS unit. For information about configuring the signaling gateway, see the documentation
that came with the unit.
T1 lines as SS7 data trunks
T1 lines:signaling system 7 (SS7) data trunks;To configure T1 lines for SS7, you must set the
following parameters, shown with sample settings:
[in T1/{ shelf-1 slot-1 7 }:line-interface]
signaling-mode = ss7-data-trunk
incoming-call-handling = internal-processing