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Cisco Connected Grid Modules for CGR 1000 Series—WiMAX Installation and Configuration Guide
OL-26236-03
Configuring the Module
• CS specification—This parameter defines convergence sublayer which should be used for this
service flow
Additional QoS Commands
• (config-scan-list)# nap id nap-id priority priority channel-index channel-index
• (config-scan-list)# nsp id nsp-id {home | priority priority channel-index channel-index}
Configuring the Module
The module is configured using the system software. This section covers the following topics:
• Prerequisites, page 17
• Guidelines and Limitations, page 17
• WiMAX Interface Security, page 18
• Step 1–WiMAX Scan-list Configuration, page 20
• Step 2–WiMAX Interface Configuration, page 20
• Step 3–Enable Security Parameters, page 20
• Enabling an Interface, page 21
• Additional WiMAX Configuration Commands, page 21
• WiMAX show Command Examples, page 21
Prerequisites
The MTU size of the WiMAX module default is set to 1500 bytes. The WiMAX module is configured
with a default MTU size of 1500 in order to provide for roaming of a WiMAX mobile device in an IP
sub-convergence layer deployment where an access service network gateway (ASN-GW), such as a
Cisco ASR 5000, is used. However, when an MTU size of 1500 bytes is configured on an Ethernet
interface such as in a sub-convergence deployment of a private WiMAX infrastructure that also runs
Distribution Automation as Ethernet Layer 2 traffic (as for a utility company), then it is possible that
OSPFv2 adjacency goes down due to the WiMAX MTU size not matching that of the Ethernet.
Guidelines and Limitations
The following guidelines and limitations apply to configuring the WiMAX module:
• Data connection can be originated only by the module.
• Throughput: Due to the shared nature of wireless communications, the experienced throughput
varies depending on the number of active users or congestion in a given network.
• Any restrictions that are a part of the terms of service from your carrier.