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Wide Area Networks

ACC-1000	Introduction to Layer 2 Transport & Tunneling Technologies (L2VPNs)
Tuesday 4:00 pm - 6:00 pm; Wednesday 10:00 am - 12:00 pm
This session provides an in-depth analysis of the technologies available for the transport of Layer 2 frames across IP and Multiprotocol Label Switching (MPLS) cores. Focusing on the advantages of consolidated core networks, service providers will receive an overview of new technologies that enable forwarding ATM, Frame Relay, Ethernet, and other encapsulations directly over IP-based cores. The presentation will discuss efforts being made in the IETF to standardize methods of Layer 2 Transport for packet switched networks (PSNs). The Cisco implementation of Any Transport over MPLS (AToM), Layer 2 Tunneling Protocol Version 3 (L2TPv3), Virtual Private LAN Service (VPLS), and Layer 2 Interworking protocols will be discussed, as well as the problems these services solve and some of the common challenges associated with them. This session is designed to be useful for all attendees and particularly useful for service providers. Attendees should have an understanding of IP and MPLS, routing, and Layer 2 encapsulations. br> Associated Sessions: ACC-2011 - Layer 2 Transport and Tunneling (L2VPN) Application and Deployment
ACC-2001	Layer 2 Transport and Tunneling (L2VPN) Application & Deployment
Wednesday 4:00 pm - 6:00 pm; Thursday 10:00 am - 12:00 pm
This presentation addresses how service providers are applying Layer 2 VPN technology to enhance usage of their converged networks. Using a case study approach to several deployment scenarios, this session focuses on how ATM, Ethernet, and Frame Relay edge services can be deployed over packet switched networks. This includes looking at issues associated with security, differentiated services and service verification. For a Multiprotocol Label Switching (MPLS) backbone, this presentation will discuss how traffic engineering and bandwidth protection can be used in some circumstances to enhance service-level agreements. Attendees should have a basic understanding of Any Transport over MPLS (AtoM), Layer 2 Tunneling Protocol Version 3 (L2TPv3) and basic Layer 2 Interworking covered in the introductory course. Also beneficial is a basic understanding of quality-of-service (QoS) mechanisms available to IP, MPLS, Frame Relay, Ethernet, and ATM. This session is designed to be useful for all attendees. Associated Sessions: ACC-1000 Introduction to Layer 2 Transport and Tunneling Technologies (L2VPNs)
SEC-2007	Internet Service Provider Security Best Practices
Tuesday 10:00 am - 12:00 pm
This session will focus on the foundational requirements necessary to improve service provider backbone security. Security is a paramount requirement in the Internet today. As the number security incidents increases, particularly direct infrastructure attacks, service providers have to secure their backbones to protect not only their customers but also the overall stability of the global Internet. This session will provide an overview of designs and features available to SPs to help improve security by "hardening" the core network. During this session, we will review SP-centric security best practices, and network element and routing protocol security recommendations. We will also examine the deployment of security specific features and how those features can be used to improve backbone security. This session is designed to be particularly useful for service provider network engineers. It will also provide insight into service provider security for network and security professionals in enterprise environments. Associated Sessions: The following session title(s) are associated with this session:- SEC-2008 Service Provider Responses to Denial of Service Attacks, SEC-2004 Responding to Security Incidents
SEC-2008	Service Provider Responses to Denial of Service Attacks
Wednesday 10:00 am - 12:00 pm; Wednesday 4:00 pm - 6:00 pm
Denial-of-Service Attacks in their various forms are becoming a permanent problem on ISP networks. Most attacks last a very short time, or are small in bandwidth, but the number of "serious" attacks is increasing. ISPs need to be prepared to detect, trace and counter-act DoS attacks quickly and efficiently. Over the last few years a complete "toolkit" was developped to allow ISPs to trace and mitigate DoS attacks effectively. This session explains relevant techniques for ISPs to trace DoS attacks, classify them, and to counter-act in a scalable way, for example with remote-triggered black-hole filtering using BGP as a singalling mechanism. The DoS solutions of Arbor Networks and Riverhead, both Cisco partners, will be explained as well. This session is designed to be particularly useful for service provider network engineers. It will also provide insight into service provider security for network and security professionals in enterprise environments. Associated Sessions: The following session title(s) are associated with this session:- SEC-2007 Internet Service Provider Security Best Practices SEC-2004 Responding to Security Incidents
ACC-3000	Troubleshooting WAN Protocols in Cisco IOS
Thursday 1:30 pm - 3:30 pm; Thursday 4:00 pm - 6:00 pm
This session focuses on troubleshooting commonly deployed WAN protocols on Cisco IOS Software-based enterprise platforms. Building on their configuration experiences, participants learn how to troubleshoot scenarios such as "interface up, but line protocol down," "red, yellow, and blue alarms," "link up, but cannot pass traffic," and data-link connection identifier (DLCI) mapping problems. In addition to Layer 2 WAN protocols, this session also focuses on how to troubleshoot Layer 1 WAN problems arising on T1/T3 (T-carriers) and Synchronous Optical Network (SONET) lines. This session is designed for enterprise, small, and midsized business customers in charge of WAN implementation and maintenance. Networkers who are experienced in Cisco IOS Software configuration of ATM, Frame Relay, Point-to-Point Protocol (PPP), or High-Level Data Link Control (HDLC) protocols should attend. The session focuses on troubleshooting these WAN protocols, and attendees should be familiar with the associated configuration and terminology.

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