Overview of Controller SMUs
The following table describes the SMU types supported in the Cisco Embedded Wireless Controller:
Package Type |
Use Case |
SMU Type |
Supported on EWC |
---|---|---|---|
Controller SMU - Cold Patch |
Replace impacted binaries, libraries, or subpackages. |
Reload |
Limited support (Patch size < 20 MB). No support for IOSD. |
Controller SMU - Hot Patch |
Replace impacted functions. |
Nonreload |
Yes |
APSP |
AP fix by replacing the AP image (does not impact the AP running the active controller). |
Nonreload |
Yes |
APSP |
AP fix by replacing the AP image (impacts the AP that is running the active controller). |
Reload |
Yes (EWC specific variation) |
APDP |
New AP model support without upgrading the controller. |
Nonreload |
Yes |