Примечания к выпуску для Cisco Cisco IOS Software Release 12.4(2)XB6

To determine the version of Cisco IOS software running on your router, log in to the router and enter the 
show version EXEC command.

The BWG Release 2.4 on the Cisco 7600 hardware platform requires SUP software version SRE. 
However, BWG Release 2.4 will also work with limited features with an earlier SUP software version 
SRD. 

In order to make BWG 2.4 work with an earlier version of SUP-SRD, configure the following hidden 
CLI at the global configuration mode:

With SUP-SRD, BWG Release 2.4 will primarily be used for Cisco-R6, PMIP, and other BWG1.x 
features.

If you use the SUP-SRD image, the following features in BWG Release 2.4 are not supported:

SLB Stickiness Support 

NWG R6 in SLB-mode.

No new features introduced in BWG 2.4 for Cisco IOS Release 12.4(24)YG4.

The following features were introduced and supported on the BWG before Cisco IOS 
Release 12.4(24)YG4:

Intersector controlled handoff.

Flow accounting starts after the subscriber gets the IP address correctly.

NULL Chargeable User Identity (CUI) attribute in the new access requests to authentication, 
authorization, and accounting (AAA) server.

Support for Proxy Mobile IPv4 (PMIPv4)

AAA-Based Hot-lining (CoA)

DSCP Marking

WiMAX NWG Specification (1.2.2) Compliance

Accounting Start Response

SLB Stickiness Support

router(config)# wimax agw sup-backward-compatible

Specifies that the BWG will work with an earlier 
version of the SRD Supervisor image.