• Silver c-nim-wan-4s network interface module with black ports and yellow labels for cisco 8000 series routers back view
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Cisco

Cisco C-NIM-WAN-4S | 4-Port Gigabit SFP WAN Module, 256-bit MACsec

C-NIM-WAN-4S

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Description

The Cisco C-NIM-WAN-4S is a Layer 3 WAN network interface module designed for the Cisco 8000 Series Secure Routers. It provides four 1 Gigabit SFP ports supporting 100BASE-FX and 1000BASE-X fiber connections with 256-bit WAN MACsec encryption. Ideal for enterprise branch locations requiring expanded WAN capacity, bandwidth aggregation, or link redundancy with advanced security and SD-WAN intelligence.

Features

256-bit WAN MACsec encryption with Tag-in-Clear support for secure WAN links
- Layer 3 WAN routing with full feature parity to router's embedded WAN ports
- Support for 100BASE-FX and 1000BASE-X fiber SFP transceivers
- Hot-swappable design with online insertion and removal (OIR) capability
- MAC filtering for enhanced security
- SD-WAN intelligence integration with Cisco 8000 Series platform features
- Maximum 8 MACsec peers per 1G WAN port for secure WAN topologies
- SGMII/1000BASE-X media-independent interface support
- LED indicators for port status and link activity
- IEEE 802.1AE MACsec compliance
- Supports diverse WAN connections for bandwidth aggregation and link redundancy
- Compatible with C-SM-NIM-ADPT carrier adapter for expanded NIM density

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

4x 1 Gigabit SFP ports (100BASE-FX/1000BASE-X)
- 256-bit WAN MACsec encryption support
- Layer 3 WAN functionality only (dedicated WAN module)
- MAC filtering capability
- Hot-swappable with online insertion and removal (OIR)
- Compatible with Cisco 8000 Series Secure Routers (C8231-E-G2, C8235-E-G2, C8375-E-G2)
- Supports installation in NIM slots only
- Full feature parity with router's embedded WAN ports
- SGMII/1000BASE-X SFP transceiver support
- Maximum 8 MACsec peers per 1G WAN port
- Requires Cisco IOS XE 17.18.1a or later

FAQs

Q: What platforms support the C-NIM-WAN-4S module?
A: The C-NIM-WAN-4S is supported on Cisco 8000 Series Secure Routers with available NIM slots, specifically the C8231-E-G2, C8235-E-G2, and C8375-E-G2 platforms. It installs in NIM slots only and is not supported in the SM-NIM Carrier Adapter.

Q: How many C-NIM-WAN-4S modules can I install in a single router?
A: You can deploy as many modules as the platform slot density allows. For example, the C8375-E-G2 can support up to three C-NIM-WAN-4S modules in any combination when using the C-SM-NIM-ADPT carrier adapter.

Q: What is the difference between the C-NIM-WAN-4S and C-NIM-4X modules?
A: The C-NIM-WAN-4S is a dedicated Layer 3 WAN module for Cisco 8000 Series Secure Routers with 4x 1G SFP ports. The C-NIM-4X is a LAN/WAN module for Catalyst 8300 platforms supporting both Layer 2 switching and Layer 3 WAN on 4x 1G/10G SFP/SFP+ ports.

Q: Does the C-NIM-WAN-4S support 10 Gigabit connectivity?
A: No, the C-NIM-WAN-4S supports only 1 Gigabit (1000BASE-X) and 100 Mbps (100BASE-FX) SFP connections. For 10 Gigabit WAN connectivity on Cisco 8000 Series routers, use the C-NIM-WAN-2X module which provides 2x 10G/1G SFP+ ports.

Q: What type of encryption does the C-NIM-WAN-4S support?
A: The module supports 256-bit WAN MACsec encryption with Tag-in-Clear functionality for Layer 3 WAN links. Each 1G WAN port supports up to 8 MACsec peers on a per-port basis, providing secure point-to-point or point-to-multipoint WAN connectivity.

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