ISDN Layer 1
ISDN Layer 1
Navigation
- Home
- Networking Fundamentals
- The OSI Reference Model
- Interaction Between OSI Layers
- TCP/IP and the OSI Reference Model
- The TCP/IP Protocol Architecture
- TCP/IP Data Encapsulation
- Networks
- Network Definitions
- Types of Networks
- Network Topologies
- Network Technologies
- Ethernet
- Fast Ethernet
- Gigabit Ethernet
- Token Ring
- Network Addressing
- Bridging
- LAN Switching
- Wireless Networks
- Wireless Network Standards
- Wireless Network Modes
- Security Features
- The Cisco IOS Software
- The Cisco IOS Software Command-Line Interface
- The CLI Help Features
- Syslog Messages and the debug Command
- Configuring Cisco IOS Software
- Managing Configuration Files
- Upgrading Cisco IOS Software
- The Cisco IOS Software Boot Sequence
- Spanning-Tree Protocol (STP)
- Root Bridge Election
- Root Ports Election
- Designated Ports Election
- STP States
- STP Timers
- Optional STP Features
- EtherChannel
- PortFast
- Rapid Spanning Tree (IEEE 802.1w)
- Virtual LANs and Trunking
- Wide Area Networks (WANs)
- Point-to-Point Leased Lines
- Overview
- Data-Link Protocols
- Configuring HDLC and PPP Configuration
- Integrated Services Digital Network (ISDN)
- ISDN Channels
- ISDN Protocols
- ISDN Layers
- ISDN Layer 1
- ISDN Layer 2
- ISDN Layer 3
- BRI Function Groups and Reference Points
- Encoding and Framing
- Dial-on-Demand Routing (DDR)
- ISDN Configuration for DDR
- Configuring Legacy DDR
- Configuring DDR with Dialer Profiles
- Multilink PPP
- Frame Relay
- Virtual Circuits
- LMI and Encapsulation Types
- DLCI Addressing
- Frame Relay Configuration
- Determining the Interface
- Configuring Frame Relay Encapsulation
- Configuring Protocol-Specific Parameters
- Configuring Frame Relay Characteristics
- Verifying Frame Relay Configuration
- Link-State Protocols
- Building Routing Table on New OSPF-Configured Routers
- Steady-State Operation
- OSPF Areas
- OSPF Area Types
- Router Responsibilities
- Balanced Hybrid Routing Protocol and EIGRP
- EIGRP Loop Avoidance
- Router Configuration
- Configuring OSPF
- Verifying the OSPF Configuration
- Configuring EIGRP
- Verifying the EIGRP Configuration
- IP Access Control List Security
- Routing
- Routing Tables
- Static Routing
- Dynamic Routing
- Routing Updates
- Verifying Routing Tables
- Routing Protocols
- Distance-Vector Routing
- Route Poisoning
- Split Horizon
- Split Horizon with Poison Reverse
- Hold-Down Timer
- Triggered Updates
- Link-State Routing
- Classful Routing
- Classless Routing
- Basic Switching Functions
- Convergence
- Distance-Vector Routing Convergence
- RIP and IGRP Convergence
- EIGRP Convergence
- Link-State Convergence
- Testing and Troubleshooting Routes
- The ping Command
- The traceroute Command
- IP Addressing and Subnetting
- Advanced TCP/IP
- Private IP Addressing
- Network Address Translation (NAT)
- Variations of NAT
- Static NAT
- Dynamic NAT
- Overloading NAT with Port Address Translation (PAT)
- Translating Overlapping Addresses
- Configuring NAT
- Configuring Static NAT
- Configuring Dynamic NAT
- Configuring NAT Overload and PAT
- Internet Control Message Protocol (ICMP)
- FTP and TFTP
- MTU and Fragmentation