The Cisco C2821-VSEC-SRST/K9 is a versatile Integrated Services Router (ISR) optimized for secure voice services. This product is geared towards IT professionals looking for robust voice, video, and VPN capabilities. Equipped with PVDM2-32, FL-SRST-50, Advanced IP Services, and substantial memory, it guarantees top-tier performance in enterprise environments.
C2821-VSEC-SRST/K9 Product HighlightsFeatures | C2821-VSEC-SRST/K9 | ISR 4321/K9 | ISR 4331/K9 | ISR 4351/K9 | ISR 4451-X/K9 | ISR 4221/K9 |
---|---|---|---|---|---|---|
Voice Security | Yes | No | Yes | Yes | Yes | No |
Memory (Flash/RAM) | 128F/512D | 4GB/8GB | 8GB/16GB | 8GB/16GB | 8GB/16GB | 4GB/8GB |
VPN Support | Yes | Yes | Yes | Yes | Yes | No |
IP Services | Advanced | Adv Security | Adv Security | Adv Security | Adv Security | Base |
SRST Capacity | 50 users | 500 users | 500 users | 2000 users | 2000 users | 400 users |
Voice Ports | Yes | Yes | Yes | Yes | Yes | No |
Model | Description |
---|---|
PVDM2-64 | 64-Channel Voice/Fax DSP Module |
HWIC-4ESW | 4-Port 10/100 Ethernet Switch HWIC |
MEM2800-512D | 512MB DRAM Memory Upgrade |
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