Version 6.6 215 October 2014
Installation & Operation Manual 26. Connecting the Media Gateway to the IP Network
26.6.1.2 Offline Network Configuration of ES-2
Configuration of network interfaces separation and the OAM VLAN tag must be
performed when the Media Gateway is locked. After you then unlock the Media
Gateway, the OAM VLAN tag is applied immediately to all unlocked ethernet
switches(Locked ethernet switches are not configured).
Note: It is recommended to lock both ethernet switches before changing such a
configuration; however, in the case of expert users the ESs boards can remain
unlocked. In the latter case, when unlocking the Media Gateway board, both ESs
are automatically configured with the new QAM VLAN Tag ID. As a consequence,
connection with the external Switch/Router is lost until the VLAN ID is configured
on the external Switch/Router side.
To activate the OAM VLAN tags:
While both ESs are unlocked (for expert users):
When unlocking the Media Gateway , both ethernet switches are configured with
the new OAM VLAN tag. The user must then separately configure the external
Switch/Router to support the same VLAN ID (the connection with the chassis is
lost until the user configures the external Switch/Route with the new VLAN ID).
While both ES are locked:
1. Lock the ES boards in both slots 9 and 19.
2. Configure the OAM VLAN Tag (see Section 'Configuring VLAN Tags for
OAM Subnet' on page 189).
3. Unlock the ES board in slot 9(variable needed) and wait until it completes
the restart and returns to service.
4. Unlock the ES board in slot 19(variable needed) and wait until it completes
the restart and returns to service.
See Section 'Activating Offline Network Configuration' on page 216 for details.
26.6.1.3 Online Network Configuration
The remainder of the network configuration may be performed online, with minimal
affect on the Media Gateway service. Only the entities to which the modified
configuration applies are affected (and typically must be locked and unlocked to
activate the new configuration). The rest of the Media Gateway entities remain
unlocked and continue to provide the service.
The following examples demonstrate the online network configuration capabilities of
the Mediant 8000:
Changing the IP address of the specific IP subnet – only the Media Gateway
boards, attached to the specific IP subnet are affected.
Modifying static routes table – configuration is performed instantly without the
need to stop service on either the SC or TP boards.
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