NBAR2 Protocol Pack 5.1.0
Release Notes for NBAR2 Protocol Pack 5.1.0
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Release Notes for NBAR2 Protocol Pack 5.1.0

Release Notes for NBAR2 Protocol Pack 5.1.0

Supported Platforms

Network Based Application Recognition (NBAR) Protocol Pack 5.1.0 is supported on Cisco ASR 1000 Series Aggregation Services Routers.

New Protocols in NBAR2 Protocol Pack 5.1.0

The following protocols are added to NBAR2 Protocol Pack 5.1.0:

Common Name

Syntax Name

Description

QQ Accounts

qq-accounts

QQ general account login and common traffic. The QQ Accounts protocol classifies QQ web login traffic over HTTP and is used by QQ applications that require a login to the QQ accounts via the web browsers such as QQLive.

Updated Protocols in NBAR2 Protocol Pack 5.1.0

The following protocols are updated in NBAR2 Protocol Pack 5.1.0:

Protocol

Updates

gtalk-ft

Updated signatures

hotmail

Updated signatures

ms-lync

Updated signatures to support rtp traffic

netflix

Updated signatures to support netflix apps when the client is behind http proxy

qqlive

Updated signatures

Caveats in NBAR2 Protocol Pack 5.1.0

Note: If you have an account on Cisco.com, you can also use the Bug Toolkit to find select caveats of any severity. To reach the Bug Toolkit, log in to Cisco.com and go to http://www.cisco.com/pcgi-bin/Support/Bugtool/launch_bugtool.pl. (If the defect that you have requested cannot be displayed, this may be due to one or more of the following reasons: the defect number does not exist, the defect does not have a customer-visible description yet, or the defect has been marked Cisco Confidential.)

Resolved Caveats in NBAR2 Protocol Pack 5.1.0

The following table lists the resolved caveats in NBAR2 Protocol Pack 5.1.0:

Resolved Caveat

Description

CSCue69212

Traffic generated by qqlive might be misclassified as http

CSCuf98846

Traffic generated by hotmail might be misclassified as http

Known Caveats in NBAR2 Protocol Pack 5.1.0

The following table lists the known caveats in NBAR2 Protocol Pack 5.1.0:

Known Caveat

Description

CSCtx65481

Traffic generated by pcAnywhere for mac and pcAnywhere mobile app might be misclassified as unknown

CSCub62860

gtalk-video might be misclassified as rtp

CSCub89835

gbridge pc client might not be blocked

CSCuc43505

Traffic generated by AIM Pro might be misclassified as unknown and webex-meeting

CSCuc57822

NBAR classification granularity may not work or some protocols may be classified as unknown. The CSCuc57822 caveat is specific to Cisco IOS XE Release 3.7S on Cisco ASR 1000 Series Aggregation Services Routers.

CSCug12174

Under heavy SSL traffic, the following error message my appear: ": %STILE_CLIENT-4-MAX_LINK_TOUCH_WARN: F0: cpp_cp: NBAR number of flow-slinks threshold is reached, can't allocate more memory for flow-slinks"

Restrictions and Limitations in NBAR2 Protocol Pack 5.1.0

The following table lists the limitations and restrictions in NBAR2 Protocol Pack 5.1.0:

Protocol

Limitation/Restriction

bittorrent

http traffic generated by the bitcomet bittorrent client might be classified as http

capwap-data

For capwap-data to be classified correctly, capwap-control must also be enabled.

ftp

During configuring QoS class-map with ftp-data, the ftp protocol must be selected. As an alternative, the ftp application group can be selected.

livemeeting

Application is discontinued and replaced with ms-lync, traffic generated by livemeeting may be classified as ms-lync

hulu

Encrypted video streaming generated by hulu might be classified as its underlying protocol rtmpe

logmein

Traffic generated by the logmein android app might be misclassified as ssl

ms-lync

Login and chat traffic generated by the ms-lync client might be misclassified as ssl

qq-accounts

Login to QQ applications which is not via web may not be classified as qq-accounts

secondlife

Voice traffic generated by secondlife might be misclassified as ssl

Downloading NBAR2 Protocol Packs

NBAR2 Protocol Packs are available for download as Software Type 'NBAR2 Protocol Pack' on cisco.com software download page (http://www.cisco.com/cisco/software/navigator.html).

Additional References

Related Documents

Related Topic

Document Title

Application Visibility and Control

Application Visibility and Control Configuration Guide

Classifying Network Traffic Using NBAR

Classifying Network Traffic Using NBAR module

NBAR Protocol Pack

NBAR Protocol Pack module

QoS: NBAR Configuration Guide

QoS: NBAR Configuration Guide

QoS Command Reference

Quality of Service Solutions Command Reference