NBAR2 Protocol Pack Overview
NBAR2 Protocol Pack 19.1.0 contains the Enhanced Web Classification feature that supports multi-transactions export of URLs. For more information on this feature, see Classifying Network Traffic Using NBAR
Bittorrent blocking capability has been improved with the newly supported uTorrent and transmission clients.
Protocol Pack Compatibility
NBAR2 Protocol packs are released for specific NBAR engine versions. You can load an NBAR2 protocol pack only if the NBAR engine version used in the Wireless controller (WLC) software platform is the same as or higher than the engine version that the protocol pack is released for. However, you are strongly recommended to use the protocol pack that is the exact match for the engine.
WLC Software Release |
NBAR Engine Used |
Protocol packs released for the NBAR engine used |
---|---|---|
8.7 |
NBAR engine 23 |
|
8.6 |
NBAR engine 23 |
|
8.5 |
NBAR engine 23 |
|
8.4 |
NBAR engine 23 |
|
8.3 |
NBAR engine 23 |
|
8.2 |
NBAR engine 23 |
|
8.1 |
NBAR engine 16 |
|
8.0 |
||
7.6 |
NBAR engine 13 |
|
7.5 |
Note |
Consider a WLC running a 7.6 or older software release, loaded with a compatible protocol pack. If this controller is upgraded to software release 8.0 , then it will start using protocol pack 9.0.0, which comes in-built in 8.0 release. Additionally you can choose to download protocol pack 11.0.0, which in turn will be loaded instead of 9.0.0. However, if you revert back to the older software release, then the older protocol pack loaded for that release will be loaded again. |
Note |
If you try to load an incompatible protocol pack on a controller, it will be rejected with an error message stating that the protocol pack is incompatible with the underlying NBAR software version. Any existing protocol pack on the controller, will remain active. |
Cisco Access Points NBAR Support
The NBAR engine and Protocol Pack supported on the Cisco Access Points are listed in the table.
Cisco Access Points |
NBAR Engine Version |
Protocol Pack Version |
---|---|---|
Cisco Wave 1 Access Points |
23 |
14 |
Cisco Wave 2 Access Points |
35 |
33 |
Downloading NBAR2 Protocol Packs
Use only the tested and certified protocol packs which are released on cisco.com. You can download these protocol packs from this location:
http://software.cisco.com/download/navigator.html
A protocol pack is numbered in a format that is similar to this:
pp-AIR-8.3-(NBAR Engine Number)-(Protocol Pack Version).pack
For example, the Wireless Controller Release 8.3 uses NBAR engine version 23. Hence, protocol packs released for Release 8.3 will have a numbering that is similar to this:
pp-AIR-8.3-23-19.1.0.pack