The NIM-VAB-M is a Cisco One Port WAN Access Module that provides a single WAN port for a Cisco Integrated Services Router (ISR). Here are the supported WAN technologies for this module:
- Asynchronous Transfer Mode (ATM): This technology enables the transport of voice, video, and data over a single ATM network, and supports various ATM services such as Constant Bit Rate (CBR), Variable Bit Rate (VBR), and Unspecified Bit Rate (UBR).
- Frame Relay: This technology provides a cost-effective way to connect multiple remote sites to a central site, and enables the transport of data over a shared Frame Relay network.
- High-Level Data Link Control (HDLC): This technology is a bit-oriented data link protocol that provides a reliable and efficient way to transmit data over point-to-point and multi-point connections.
- Point-to-Point Protocol (PPP): This technology is a widely used data link protocol that provides authentication, encryption, and compression capabilities, and is used to establish a connection between two network devices.
- Serial Line Internet Protocol (SLIP): This technology is an older data link protocol that is still used in some legacy systems to establish a connection between two network devices over a serial link.
- X.25: This technology is an older packet-switched network protocol that is still used in some legacy systems to transport data over a network.
The NIM-VAB-M is a Cisco 1 Port WAN Access Module that provides connectivity for T1 and E1 WAN connections. Here are the general installation and setup procedures for the NIM-VAB-M module:
- Power down the router and unplug it from the electrical outlet.
- Insert the NIM-VAB-M module into an available network interface module (NIM) slot on the router. The module should slide in smoothly.
- Secure the module in place by tightening the captive screws on the module faceplate.
- Connect the WAN cable to the module's T1 or E1 port, depending on the type of WAN connection.
- Power up the router and log in to the router's command-line interface (CLI).
- Enter the configuration mode by typing "configure terminal" in the CLI.
- Configure the module's port settings, including the encapsulation type, framing type, clock source, and line coding. The specific settings will depend on the type of WAN connection.
- Save the configuration changes by typing "write memory" in the CLI.
The NIM-VAB-M is a 1-port WAN Access Module manufactured by Cisco for use with their Integrated Services Router (ISR) platforms. Quality of Service (QoS) settings and policies can be configured on the NIM-VAB-M to prioritize network traffic and ensure that critical applications receive the necessary bandwidth.
Here are the QoS settings and policies that can be configured on the NIM-VAB-M:
- Classification: Traffic can be classified based on criteria such as source IP address, destination IP address, protocol type, and port number. This allows for different treatment of traffic based on its importance or priority.
- Policing: Traffic can be policed to enforce a maximum rate of transmission, preventing certain types of traffic from consuming too much bandwidth and ensuring that critical traffic has enough bandwidth available.
- Shaping: Traffic can be shaped to enforce a minimum rate of transmission, ensuring that certain types of traffic receive a minimum amount of bandwidth.
- Queuing: Traffic can be queued based on its priority or importance. This allows for high-priority traffic to be sent first, while lower-priority traffic may be delayed if necessary.
- Congestion avoidance: The NIM-VAB-M supports several congestion avoidance mechanisms, including Random Early Detection (RED) and Weighted Random Early Detection (WRED), which help prevent network congestion and ensure that critical traffic is not dropped.
These QoS settings and policies can be configured using Cisco's IOS command-line interface (CLI) or through a graphical user interface (GUI) such as Cisco Configuration Professional (CCP). It is recommended to consult the product documentation or work with a qualified network engineer when configuring QoS settings and policies for the NIM-VAB-M.
General Information- Manufacturer: Cisco Systems, Inc
- Manufacturer Part Number: NIM-VAB-M
- Brand Name: Cisco
- Product Name: 1-port VDSL2/ADSL2+ NIM over POTS with Annex M Spare
- Product Type: WAN Module
- Application/Usage: Wide Area Network
- Interfaces / Ports:
- Interfaces/Ports Details: 1 x RJ-11 VDSL2 Network WAN
- Fiber Mode Supported Multi-mode
- Network Technology VDSL2
- Network Technology ADSLoPOTS
- Network Technology ADSL2+
- Compatibility- Cisco Integrated Service Routers:
- 4451
- 4321
- 4331
- 4351
- 4431
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