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Layer 2 Extension Between Remote Data Centers - Cisco Catalyst 6500 Series Virtual Switching System and L2VPNoGRE
White Papers Cisco recommends retaining Layer 2 domains within each data center. However to meet new application framework requirements or for migration purposes, the Enterprise may have to extend Layer 2 beyond the Data Center.
[October 7, 2008, 1:01]
Passport 8600 Routing Switch - Layer 2/3 Performance
White Papers Network managers deploying enterprise-class Layer 2/3 routing switches understand the importance of line-rate throughput. With the emergence of VoIP and other latency sensitive applications, line rate throughput and low latency are essential.
[October 21, 2003, 5:43]
Safe Layer 2 Security In-Depth - Version 2
White Papers During the time since the original publication date of the SAFE Enterprise white paper, significant research on network attacks has been conducted, focusing on Layer 2 of the OSI reference model. This research has prompted the need for an update to...
[April 18, 2004, 1:04]
NetFlow Layer 2 and Security Monitoring Exports
White Papers This paper contains information about and instructions for configuring NetFlow Layer 2 and Security Monitoring Exports. Configuring NetFlow Layer 2 and Security Monitoring Exports improves the ability to detect and analyze network threats such as...
[December 14, 2006, 0:00]
Increase Flexibility in Layer 2 Switches by Integrating Ethernet ASSP Functions Into FPGAs
White Papers A Layer 2 Ethernet switch connects multiple Ethernet LAN segments. Because each port on the switch can be connected to a different LAN segment, this topology forms a larger Ethernet network. The switch stores the Media Access Controller (MAC...
[July 8, 2008, 1:01]
IBM eServer BladeCenter Layer 2-7 Network Switching
White Papers It also provides step-by-step instructions for establishing the initial network configurations to ensure that Layer 2-7 GbE Switch Module is configured correctly and is operable so one can begin immediate communications across the network.
[September 24, 2004, 3:00]
Scalable, High Speed Layer 2 Security Using IEEE 802.1AE/af
White Papers While many frameworks exist for securing wireless and remote access networks, there is a surprising security gap in enterprise wired networks. AE/af provides standards-based wire-speed encryption allowing incremental deployment over Enterprise...
[November 4, 2006, 0:00]
Using Dot1q Tunneling (1q in 1q) on Cisco Catalyst 6500 Series Switches to Form Layer 2 VPNs
White Papers This application note provides an overview of dot1q tunneling and its applicability in networks, especially service providers' networks. The document also includes a brief configuration guide and examples for dot1q tunneling.
[June 24, 2009, 11:59]
A Layer-2 Architecture for Interconnecting Multi-Hop Hybrid Ad Hoc Networks to the Internet
White Papers Recently, the research on mobile ad hoc networks is departing from the view of stand-alone networks, to focus on hybrid self-organized network environments interconnected to the Internet. This type of networks is built on a mix of fixed and mobile...
[December 27, 2007, 0:01]
An Experiment of Controlling Gigabit Wide Area Ethernet by GMPLS Supporting Layer-2 Switching Capability
White Papers High speed and large capacity Ethernet technologies have been developed as represented by Gigabit Ethernet (GE) and 10 Gigabit Ethernet (10GE). Currently, due to the growth of Ethernet technologies, Ethernet has been deployed in Wide Area Network...
[July 4, 2008, 1:00]
PLDT, the Leading Telecommunications Provider in the Philippines, Selects Allied Telesis Advanced Gigabit Switches for the Layer 2 Aggregation Requirements of Its Next Generation Network
White Papers Philippine Long Distance Telephone Company (PLDT) started out as a POTS (plain old telephone service) provider. The company needed a dramatic network bandwidth increase and security/confidentiality of subscriber's network traffic.
[July 18, 2008, 1:01]
HP says 'life means life' for switch warranties
News HP has laid down a challenge to 3Com and Cisco with the launch of five new Layer 2, stackable Ethernet switches which come with lifetime warranties in which life means life, the company claims. The 2800 series are Layer 2 Gigabit managed switch...
[August 29, 2006, 15:25]
Any Transport Over MPLS
White Papers Any Transport over MPLS (AToM) transports Layer 2 packets over a Multiprotocol Label Switching (MPLS) backbone. AToM enables service providers to connect customer sites with existing data link layer (Layer 2) networks, by using a single, integrated...
[October 1, 2008, 1:01]
Nortel Networks L2/3 Ethernet Switch Module for IBM eServer BladeCenter
White Papers This paper positions the Nortel Networks Layer 2/3 Fiber and Copper GbE Switch Modules for IBM eServer BladeCenter and describes how its integrated switch options enable the consolidation of full Layer 2-3 LAN switching and routing capabilities.
[November 9, 2005, 0:00]
Ethernet Automatic Protection Switching (EAPS)
White Papers The networking industry has relied on the Spanning Tree Protocol (STP) in large Layer 2 networks to provide a certain level of redundancy. Ethernet Automatic Protection Switching (EAPS) is Extreme Networks' solution for fault-tolerant Layer 2 ring...
[July 4, 2008, 1:00]
Deploying Private VLANS in the Data Center
White Papers Deploying Private VLANs (PVLANs) in an enterprise data center environment provides an effective means of sparing IP address space and controlling Layer 2 access to servers and devices residing within the server farm.
[July 9, 2009, 3:01]
HP slashes port cost, stays in wiring closet
News Hewlett-Packard has brought the cost of Layer 3 switches down to 125 euros (£76) per 10/100 port, but is staying out of the network core. The company also claims to be No.in the Layer 2 Gigabit Ethernet market.
[April 23, 2002, 14:42]
Dumb Wi-Fi cleans up cabling
News Mobius is a departure from existing wireless LAN technology, because the intelligence in the network is integrated into the network core, leaving the wireless access point as a dumb device that just handles up to layer 2 of the network model...
[September 17, 2002, 10:09]
HP puts together product package for SMEs
News The two new ProCurve 2520 Layer 2 Gigabit switch models include either eight or 24 ports, and either fibre or copper uplinks. However, Allied Telesyn launched a low-cost IPv6-capable Layer 2 switch in 2004.
[November 10, 2009, 16:39]
SmoothWall SmoothGuard 1000-UTM review
Reviews Interestingly, SmoothWall bucks the trend in recommending the Layer 2 Tunnelling Protocol (L2TP) for remote access and teleworkers — primarily because it doesn’t require any additional client software.
[July 25, 2007, 11:24]
