Version 6.6 179 October 2014
Installation & Operation Manual 26. Connecting the Media Gateway to the IP Network
26 Connecting the Media Gateway to the IP
Network
The Mediant 8000 must be connected to one or more IP networks to ensure its normal
operation.
IP network architectures may strongly differ from one site to another. Separate
network segments may be used for carrying different types of the traffic (e.g.
dedicated network segments – subnets – may be created to transmit OAM, call control
and media traffic). Subnets may be separated either physically (by using different
network interfaces) or via the use of tagged VLANs. Link aggregation may be used to
achieve engineered data throughput on specific subnet links. Quality of Service
features may be configured to control traffic flow.
The Mediant 8000 provides a very flexible and extensive configuration of its IP
Networking subsystem ensuring that the Mediant 8000 may be deployed in the widest
possible range of IP network environments. This configuration can be easily
implemented in a step-by-step manner as described in this manual.
Perform the Mediant 8000 IP Network configuration in the following order:
Establish connectivity between the Mediant 8000 and EMS server as described in
'Establishing Connectivity with the EMS Server' on page
180. Connect the
Mediant 8000 to the OAM subnet and configure basic network parameters on SC
boards (IP addresses and OAM VLAN tagging, if applicable). The network
configuration at this point in time may differ from the final one – e.g. it will use one
network interface only, while final configuration may use multiple interfaces.
Configure IP network topology as described in 'Configuring Network Topology'
on page
182. Determine the relevant network subnets to which the Mediant 8000
must be connected and connection types (separate network interfaces and/or
VLANs). Configure the Interfaces parameter accordingly and define VLAN Tags
for all applicable VLANs. Configure Link Aggregation for the Media subnet, if
applicable.
Configure IP Network connectivity on SC boards as described in 'Configuring IP
Network Connectivity on SC Boards' on page
195 . Most of the parameters (IP
addresses and OAM VLAN tagging, if applicable) were already configured in th
e
1
st
step. However additional OAM subnet parameters, such as OAM static routes
and quality of service (QoS) settings, may be required.
Configure IP Network connectivity on Media Gateway boards as described in
'Configuring IP Network Connectivity on Media Gateway Boards' on page
197.
Configure Media and Call Control subnet properties. Configure Network Profiles
and attach them to the Media Gateway boards. Configure IP addresses for Media
Gateway boards. Configure additional Media and Control subnet parameters,
such as Media and Control static routes and quality of service (QoS) settings.
Apply the new network configuration. This may require lock/unlock of the ES
boards, which should be performed "one board at a time". Re-connect network
cables (or connect additional network cables) to match the final network
configuration.
In addition to the below description, an example of the IP networking subsystem
configuration for specific scenarios is provided in 'Appendix : Examples of IP Network
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