Name: M81KR Virtual Interface Card
Brand: Cisco
Price: 49.95 USD
Availability: InStock

Cisco 73-11789 M81KR Virtual Interface Card

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$49.95

Ships next business day.

In Stock: 12
Manufacturer: Cisco
Model or Part: 73-11789
Condition: Refurbished
Weight: 3.00lb

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview

The Cisco M81KR Virtual Interface Card (model 73-11789) is a high-performance network interface designed for integration into Cisco routers and switches that require flexible virtualized connectivity. Engineered to support both legacy and next-generation protocols, this card enables seamless creation of multiple logical interfaces on a single physical port, simplifying network design while reducing hardware footprint.

Key Features

Supports up to 32 virtual sub-interfaces per card
Full duplex operation with data rates up to 1 Gbps per virtual interface
Advanced packet filtering and QoS support for traffic prioritization
Hot-swap capable for zero-downtime upgrades
Compatibility with Cisco IOS XE software releases from 16.6 onward
Power efficient design with low idle power consumption

Technical Specifications

Form factor: VME-compatible, 2U rack mountable
Connector type: RJ45 (10/100/1000BASE-T) and SFP slot for fiber options
Supported protocols: IPv4, IPv6, MPLS, VLAN tagging, PPPoE
Maximum throughput: 1 Gbps per virtual interface, aggregate up to 32 Gbps
Operating temperature: 0 to 40 degrees Celsius
Power supply: 12 VDC, 2 A maximum draw
Dimensions: 4.5 inches height x 9.6 inches width x 1.75 inches depth

Applications

Enterprise branch office routers requiring multiple WAN connections on a single card
Service provider edge devices that need to segment traffic for different customers
Data center fabric switches where virtualized networks simplify management
Campus networks implementing VLANs and QoS policies across shared infrastructure
Any environment seeking cost-effective expansion of interface density without additional chassis space

The Cisco M81KR Virtual Interface Card delivers the scalability, reliability, and flexibility that modern network architectures demand, making it an ideal choice for organizations looking to future-proof their connectivity investments.