Technical Services News - August 2012

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August 2012  

IPv6 Planning:
Where Do I Start?

The key is to think about the effort as a series of small tasks that can be handled independently. > Find out how


Support Resources Help Resolve Network Issues

Available whenever you need them, these four tools can help minimize the impact of network downtime. > Check them out


Expert to Expert:


How Do I . . . Grow My Technical Career?
The industry has seen a huge number of technology transitions, and your technical insight is highly valuable! Cisco Distinguished Engineers advise you on how to take a technical path to career growth.

> Tell me more

What do YOU want to ask a TAC engineer? Send your questions to If we publish an answer to your question, you'll see your name in print, impress your friends, and get some free stuff too!


TAC Tip:


Single TCP Flow Performance on Firewall Services Module (FWSM)
Performance optimization is one of the hottest topics in network security today. Learn how to get the most out of an FWSM when dealing with a few high-bandwidth TCP flows in your data center.

> Check it out


Chalk Talk:


Virtualized Network Testing Tools - Use Cases and Deployment Guidance
Virtualization is at the top of nearly every large enterprise's strategic IT initiatives list. Along with many other challenges inhibiting deployments are a lack of enterprise readiness to validate potential solutions prior to deployment. This chalk talk will discuss how virtualized testing tools can be used to tackle this challenge, where traditional testing tools fall short.

> Get the facts


Simplified Technical Support for Unified Computing
Maintaining uptime and performance of your network and Unified Computing products just got easier.
> Find out how

Beyond BYOB: Supporting a Mobile Workforce
Find answers to help you plan, build, and manage a solution that will allow your employees to work their way.
> Read the blog

Better Business, Happier Fans
Teams, venues, leagues and universities around the world are harnessing the power of Cisco Connected Sports solutions to deliver more powerful, personalized fan experiences.
> Check it out

From the Cloud: How to Get Started with TelePresence
Any business can get the top videoconferencing experience as a monthly subscription. Here's how to prepare your network.
> Get the facts

Port Control Protocol
PCP allows hosts and applications connected to IPv6 or IPv4 firewalls or NATs to operate servers and improve their battery efficiency for long-lived connections.
> Find out more

Community Integration in Cisco Products and Tools
Customers can access our community discussions and knowledge base directly in the workflows of Cisco products and tools.
> Learn how

Your Support Website - Manage Cases and RMAs On the Go
Now the Cisco Technical Support mobile application makes it easier for you to manage both support cases and RMAs from your iPhone, iPAD or similar device.
> Check it out

New Cisco Product Documentation Available Online
Get information about the latest documentation releases for Cisco products.
> Start your search


New documents or documents with major updates (italicized titles) published July 1 - 31, 2012

See a list of new and updated Security Advisories.

Contact Center

Tech Notes:
Troubleshoot Cisco Unified Contact Center Management Portal Issues
CTIOS Agent Softphone Login Failure


Configuration Example:
Telnet, Console and AUX Port Passwords on Cisco Routers

Password Recovery:
Procedure for the Cisco 806, 826, 827, 828, 831, 836, 837 and 881 Series Routers


Configuration Example:
Configure IPv6 Black-Holing through Interface Null0

BGP: Frequently Asked Questions
EIGRP Frequently Asked Questions


Configuration Examples:
ASA 8.x: Cisco ASA in Multiple Context Mode Synchronized with NTP Server
ACS 5.x and later: Simple Network Management Protocol
NAC: LDAP Integration with ACS

Tech Notes by TAC (the following documents were authored by Cisco TAC Engineers):
ASA: Inbound Access to NAT Addresses Fails After Upgrade to 8.4(3)
UDP Traffic through ASA Fails after Primary ISP Link Comes Back Online in a Dual ISP Setup
Tune the IPS for False Positive Prevention Using Event Action Filter
ASA TCP Connection Flags (Connection build-up and teardown)
ASA Troubleshooting Guide: Missing Logs at Syslog Destination(s)
ASA Clientless SSLVPN: RDP Plug-in Issues
Solution: Swift Migration of IKEv1 to IKEv2 L2L Tunnel Configuration on ASA 8.4 code

Identity Services Engine


Configuration Examples:
Dual-Active Detection Using IP BFD on VSS of Cisco Catalyst 6500 Series Switches
GLBP on Catalyst 6500 Switches

Tech Notes:
Nexus 7000 Series Switches Error Messages
Packet Loss over a Dot1Q/L2P Tunnel

Catalyst 6500 Series Switches PFC, DFC, and CFC

Voice and Unified Communications

Configuration Examples:
Upgrade VMware Tools on Cisco Emergency Responder Server
Enable SMTP Message Notifications in Cisco Unity Connection 8.x

Tech Notes:
CUIC 8.5: Agent Not Ready Detail Report Shows No Data
Troubleshooting Cisco IP Phone Registration Problems with Cisco CallManager 3.x and 4.x


Tech Notes:
External Web Authentication with FlexConnect Local Switching Deployment Guide
Wireless BYOD for FlexConnect Deployment Guide
FlexConnect Feature Matrix
Flex 7500 Wireless Branch Controller Deployment Guide



Cisco IOS Advantage Webinar:
A Closer Look: Comparing Benefits of EIGRP and OSPF
Performance Management Techniques for Carrier Ethernet Services

For more information, check out the Cisco IOS Advantage Webinar Series


Upcoming Ask the Expert Events from Cisco Support Community's Expert Corner:


Engage, collaborate and co-create with our Cisco subject matter experts through interactive events.

• August 21, 2012: Cisco Medianet: An Architectural Approach to Simplifying the Enterprise QoS Policy with Media Awareness

Find more localized events in Polish, Japanese, Spanish, Portuguese, and Russian.

In The Lab with Geeks You Can Trust


Jimmy Ray answers Cisco Live questions in these TechWiseTV shorts:
OTV: Learn how OTV provides a layer 2 overlay over layer 3 networks, enabling VLANS to be extended across geographically dispersed data centers.
LISP: Learn how the LISP routing architecture creates a new IP routing paradigm by splitting the device identity and its location into two different numbering spaces.
Fabric Path: Learn how you can build large layer 2 domains using Cisco FabricPath without the limitations of spanning tree.
FEX: Watch how the standard-based Fabric Extender Technology solutions deliver fabric extensibility with single point of management.

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