C2921-VSEC-SRE/K9 - Cisco 2900 Series Integrated Service Router Overview
C2921-VSEC-SRE/K9 - Cisco 2900 Series Integrated Service Router is a genuine edge and wide-area routing product from Cisco, a global name in networking whose platforms are used by enterprises, service providers and data-center operators alike. Belonging to the Cisco 2900 Series family, the C2921-VSEC-SRE/K9 unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is deployed as a standalone unit or as part of a larger managed network, following the standard operating procedures of the platform.
From a specification standpoint, it offers 32 ports for client, server or uplink connectivity. These are the original factory figures for this model, giving administrators a clear picture of what the unit can deliver before it enters service. Standard mounting, cabling and management practices apply, so deployment follows the same procedures as other Cisco hardware already running in the environment.
Typical deployments include branch and campus WAN connectivity, service-provider edge and MPLS deployments, and secure remote-site interconnect. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “Cisco 2921 SRE Bundle, SRE 700, PVDM3-32, UC, SEC Lic. PAK”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the C2921-VSEC-SRE/K9. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise WAN
Branch and campus routing with advanced services.
Service Provider
Edge routing for ISP and MPLS deployments.
Data Center
Interconnect core and aggregation layers reliably.
Buying a Pre-Owned C2921-VSEC-SRE/K9
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
C2921-VSEC-SRE/K9 Specifications | |
Manufacturer | Cisco Systems, Inc |
Manufacturer Part Number | C2921-VSEC-SRE/K9 |
Product Type | Router |
Bundle | Cisco 2921 SRE Bundle, SRE 700, PVDM3-32, UC, SEC Lic. PAK |
Form Factor | External - modular - 2U |
Dimensions (WxDxH) | 43.8 cm x 47 cm x 8.9 cm |
DRAM Memory | 2 GB (installed) / 2 GB (max) |
Flash Memory | 512 MB (installed) / 8 GB (max) |
Hard Drive | 500 GB |
Routing Protocol | OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing |
Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
Network / Transport Protocol | L2TP, IPSec, PPPoE, PPPoA |
Remote Management Protocol | SNMP, RMON |
Digital Ports Qty | 32 |
Features | Firewall protection, Layer 3 switching, Layer 2 switching, VPN support, MPLS support, Syslog support, content filtering, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED), Access Control List (ACL) support, Quality of Service (QoS), Dynamic Multipoint VPN (DMVPN) |
Compliant Standards | IEEE 802.1Q, IEEE 802.1ah, IEEE 802.1ag |
Power | AC 120/230 V ( 47 - 63 Hz ) |
C2921-VSEC-SRE/K9 - Product Notes
This listing is a specific SKU variant of the C2921-VSEC-SRE/K9 family. Review the specifications above and confirm compatibility with your existing infrastructure, including software version, mounting, and interface requirements, before ordering.
For volume requirements we offer configuration checks and staged delivery options. Our team can confirm revision levels, software compatibility, and lead time before you place an order.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation.
C2921-VSEC-SRE/K9 - Product Notes
This listing is a specific SKU variant of the C2921-VSEC-SRE/K9 family. Review the specifications above and confirm compatibility with your existing infrastructure, including software version, mounting, and interface requirements, before ordering.
For volume requirements we offer configuration checks and staged delivery options. Our team can confirm revision levels, software compatibility, and lead time before you place an order.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation.
C2921-VSEC-SRE/K9 - Cisco Series Notes
This listing is part of the Cisco enterprise networking product family, sourced and tested by LinkNewNet for enterprise deployment. Cisco router is positioned at the WAN edge, branch, or service-provider aggregation point. It provides routing, VPN, QoS and security services, and integrates with Cisco IOS-XE / IOS-XR management.
Deployment guidance: When planning this C2921-VSEC-SRE/K9 unit into a network, confirm the software image (IOS/IOS-XE/NX-OS) required, the power and cooling profile, and the upstream/downstream interface types that match your existing infrastructure. For a like-for-like refresh, match the feature set of the units already in service so management and automation behave consistently.
Our Cisco reconditioning process: Every pre-owned Cisco unit at LinkNewNet passes a documented reconditioning flow before dispatch - visual inspection, internal cleaning, firmware verification, port-by-port testing, and configuration reset to factory defaults. This ensures the unit you receive operates reliably and integrates cleanly with your existing Cisco management tools.
Related models in this family: CISCO2951/K9, CISCO2901/K9, CISCO2921-SEC/K9, C2901-CME-SRST/K9, CISCO2901-SEC/K9. Compare specifications to confirm the right port density, feature set and uplink options for your deployment.
Model code: K9 = Cryptographic (encryption) software feature set - this suffix indicates the feature set, power, or regulatory variant of the C2921-VSEC-SRE/K9, which affects software licensing and regional compliance.







