• Cisco 7940 black VoIP phone with silver accents on ISR 2921 router
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Cisco

Cisco CISCO2921-SEC/K9 | ISR 2921 | 3x 1G LAN, 4x EHWIC, 1x ISM | 3x DSP slots | SEC license | SD-WAN: No | LTE: via EHWIC

CISCO2921-SEC/K9

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Description

Next-gen ISR G2 branch router offering higher performance, triple Gigabit LAN, and enhanced EHWIC modularity. The SEC bundle enables advanced VPN/firewall, while DSP slots and UC features support rich voice services. Ideal for mid-size branch consolidation.

Features

- 3x Gigabit LAN for flexible VLAN and high-throughput branching
- EHWIC modularity for WAN, switching, and cellular add-ons
- SEC bundle activates advanced VPN and firewall capabilities
- UC-ready with multiple DSP slots for voice services
- Reliable ISR G2 performance for converged branch services

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

- Series: ISR 2900 (Model 2921, ISR G2)
- LAN interfaces: 3x 1G Gigabit Ethernet
- Expansion: 4x EHWIC slots, 1x ISM slot
- DSP resources: 3x PVDM3/DSP slots (voice/UC)
- Bundle: SEC (advanced security/VPN features)
- Default storage: 256MB CompactFlash (as listed)
- Default memory: 512MB DRAM (as listed)
- OS feature set: IOS IP Base with Security bundle
- SD-WAN: Not supported on ISR G2
- Cellular: LTE available via EHWIC-LTE modules (optional)
- Power: AC (standard platform power input)

FAQs

Q: Is SD-WAN supported on the 2921?
A: No. ISR G2 platforms do not support SD-WAN; use IOS-based routing and VPN.

Q: Can this router provide LTE failover?
A: Yes, via optional EHWIC-LTE cellular modules and SIM service.

Q: Is the SEC license included?
A: Yes, this is the SEC/K9 bundle enabling advanced security features.

Q: Does it support Unified Communications?
A: Yes. With PVDM3 DSPs and UC licenses, it supports voice, SRST, and related UC features.

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