Cisco Wide Area Application Services (WAAS)

March 26, 2008 in Cisco
Tags: Application Acceleration, Bandwidth Optimization, Cisco WAAS, data redundancy elimination (DRE), Persistent Lempel-Ziv (LZ), Throughput Optimization, Wide Area Application Services

SUMMARY:
The Performance barriers created by the WAN:
A. Bandwidth:
Bandwidth constraints keep applications from performing well.
Too much data and too small of a pipe causes congestion, packet loss, and backpressure.

Found inline power controller write failure

March 11, 2008 in Cisco
Tags: Found inline power controller write failure, poe 3750

ERROR on my switch 3750, here the message on booting:
Waiting for Stack Master Election…
POST: Inline Power Controller Tests : Begin
POST: Found inline power controller write failure, inst 11
POST: Inline Power Controller Tests : End, Status Failed
POST: Inline Power feature is disabled on this switch
POST: PortASIC CAM Subsystem Tests : Begin
POST: PortASIC CAM Subsystem Tests : [...]