Cisco 10720 Configuration Guide - Page 34
Cable Management, Software Features
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Physical and Functional Overview Chapter 1 Product Overview Cable Management The cable-management system organizes the interface cables that lead into and away from the router. Keep the interface cables out of the way of other cables and free of sharp bends. The cable-management system consists of the following components: • Cable-management tray for managing the cables • Cable-management cover to keep the cables from being accidentally stressed Software Features A list of software features for the Cisco 10720 Internet Router follows. For more information about advanced and other software features, refer to the Cisco IOS Software Configuration for the Cisco 10720 Internet Router publication. • Cisco IOS Release 12.0 SP and Cisco IOS Release 12.0(29)S • IP routing protocols, including Intermediate Standard- Intermediate System (IS-IS), Open Shortest Path First (OSPF), Border Gateway Protocol-4 (BGP-4) • Ethernet features - Media dependent interface (MDI) and media dependent interface crossed (MDI-X) mode. (MDI mode is supported on revision B of the combined Fast Ethernet and Gigabit Ethernet access card, and in Japan on all access cards.) - 10/100 speed auto-negotiation - Half-duplex/full-duplex (HDX-FDX) negotiation - Time Domain Reflectometry (TDR) • Spatial Reuse Protocol (SRP) features - SRP intelligent protection switching (IPS) - IPS wrap-time < 50 ms - SRP rate-limiting for TX traffic (high/low-priority queue) - SRP priority slicing for TX traffic - SRP fairness algorithm (SRP-fa) - 9,000 maximum transmission unit (MTU) - SRP hold-off timer for protected SONET • Resilient Packet Ring (RPR) features - Intelligent Protection Switching (IPS): Steering mode or Wrapping mode - RPR Fairness: Per Station Fairness, weighted fairness, Conservative mode or aggressive mode - Topology: Advanced topology discovery combined with protection events - RPR classes: Support for classes A, B, and C in transit and Class A and B for transmit and receive - RPR keepalive timer and L1 Holdoff timer For the physical specifications of the Cisco 10720 Internet Router, see Appendix A, "Technical Specifications." Cisco 10720 Internet Router Installation and Configuration Guide 1-8 78-13062-10