Cisco Cisco IOS Software Release 12.2 Release Notes

This section provides important information about Cisco IOS software releases for DSLAMs.

 shows which line card features are available on the 4xDMT, 4xFlexi, and 8xDMT line cards.

During system startup, the following protocol warning messages display. You can ignore these messages.

If RADIUS is configured:

%AAAA-4-SERVUNDEF: The server-group "radius" is not defined. Please define it. 

If VPN is configured:

% Can't create VRF 

Interleave

yes

yes

yes

Fastpath

no

yes

yes

Min rate blocking

alarm only

yes

yes

SNR margin

alarm only

alarm and retrain capable

alarm and retrain capable

Trellis encoding

no

yes

Disable on ADI based CPEs.

yes

Ignores profile setting. The 
line card firmware 
automatically controls trellis 
encoding based on the CPE 
type.

Overhead framing

Mode 0,1,2,3 with ADI 
based CPE

Mode 3 is recommended 
with other CPE.

Mode 3 only

Mode 3 only

Power Management Additional 
Margin

no

no

T1.413
G.DMT

Operating mode

T1.413
G.DMT
G.Lite
Auto

T1.413
G.DMT
G.Lite
Auto

T1.413
G.DMT
G.Lite
Auto

Training mode

Quick recommended

No affect

No affect

Cisco 677 CPE support

yes

yes

yes

Cisco 678 CPE support

no

yes

yes

Alcatel-based CPEs

limited performance

yes

yes