List of Figures

Figure 1: Routing Matrix

Figure 2: Interface Slot, PIC, and Port Locations

Figure 3: Clock Sources

Figure 4: DLSw Ethernet Redundancy Topology

Figure 5: Unicast RPF with Routing Asymmetry

Figure 6: Prefix Accounting with Source and Destination Classes

Figure 7: Layer 2 Switching Circuit Cross-Connect

Figure 8: Example Topology of a Switching Circuit Cross-Connect with Frame Relay CCC Encapsulation

Figure 9: Layer 2.5 Switching Translational Cross-Connect

Figure 10: Interface-to-Interface Circuit Cross-Connect over Aggregated Ethernet Interfaces

Figure 11: Remote Interface-LSP-Interface Circuit Cross-Connect over Aggregated Ethernet Interfaces

Figure 12: Layer 2 Circuit Trunk Topology

Figure 13: Example Topology for Router with Eight Queues

Figure 14: Structure of the Channelized OC3 IQ PIC

Figure 15: Structure of the Channelized OC12 IQ PIC

Figure 16: Structure of the Channelized STM1 IQ PIC

Figure 17: Structure of the Channelized DS3 IQ PIC

Figure 18: Structure of the Channelized E1 IQ PIC

Figure 19: Channelized OC3 IQ Interface Example for Show Interfaces Controller

Figure 20: T1 Interfaces on a Channelized OC3 PIC

Figure 21: Sample Channelization of OC3 IQ PIC

Figure 22: Sample Channelization of OC12 IQ PIC (SONET mode)

Figure 23: Sample Channelization of OC12 IQ PIC (SDH mode)

Figure 24: Sample Channelization of OC12 PIC

Figure 25: T1 Interfaces on a Channelized OC12 PIC

Figure 26: Sample Channelization of OC12 IQ PIC

Figure 27: Sample Channelization of DS3 IQ PIC

Figure 28: Remote and Local E1 Loopback

Figure 29: Remote and Local E3 Loopback

Figure 30: Topology of Layer 2.5 Translational Cross-Connect

Figure 31: Edge Device Case for Unrestricted Proxy ARP

Figure 32: Core Device Case for Unrestricted Proxy ARP

Figure 33: Relationship of MEPs, MIPs, and MD Levels.

Figure 34: Relationship of Bridges, MDs, MAs, and MEPs.

Figure 35: ISDN Backup Topology

Figure 36: Dialer Filter Topology

Figure 37: Bandwidth-on-Demand Topology

Figure 38: Dialer Watch Topology

Figure 39: PPPoE Session on an Ethernet Loop

Figure 40: Serial Interface Clocking Mode

Figure 41: Serial Interface LIU Loopback

Figure 42: Serial Interface Local Loopback

Figure 43: APS/MSP Configuration Topologies

Figure 44: APS Load Sharing Between Circuit Pairs

Figure 45: Remote and Local T1 Loopback

Figure 46: Remote and Local T3 Loopback