ISM-VPN-19 Specifications
Cisco Integrated Security Module (ISM) – VPN Accelerator Module
Manufacturer: Cisco
Manufacturer Model: ISM-VPN-19
Product Line: Integrated Security Module (ISM)
Product Series: VPN-19
Product Type: Security/VPN services module
Product Name: Cisco ISM-VPN-19 VPN Accelerator Module
KEY FEATURES:
Hardware-based VPN acceleration for Cisco ISR and integrated services platforms
Supports IPSec, SSL VPN, and SSL/TLS encryption offload
Offloads encryption/decryption and integrity checking from main router CPU
Supports up to 1,900 VPN tunnels (depending on configuration)
Compatible with Cisco IOS-based routers supporting ISM slots
Supports advanced VPN features including NAT traversal, IKE, and IPsec encryption standards
PERFORMANCE:
VPN throughput: up to 1 Gbps (aggregate)
Maximum concurrent VPN tunnels: up to 1,900
Encryption support: AES, 3DES, DES, SHA-1, SHA-256, MD5
Offloads IPSec and SSL VPN traffic from main router CPU
ENVIRONMENTAL & RELIABILITY:
Operating Temperature: 0 °C to 40 °C (32 °F to 104 °F)
Relative Humidity (Operating): 10%–90%, non-condensing
Power Consumption: ~25 W typical
MTBF: Enterprise-class reliability
Compliance: UL, CE, RoHS
PHYSICAL:
Form Factor: Module for installation in supported Cisco ISR/ISM slot
Dimensions: ~1.2″ H × 4.5″ W × 8.0″ D
Weight: ~1.0 lb (~0.45 kg)
COMPATIBILITY & USE CASES:
Supported Platforms: Cisco ISR G2 and ISR 4000 series routers with ISM slots
Ideal For: Small-to-medium branch offices, networks with moderate VPN traffic
Use Case: Offloading VPN encryption/decryption to increase overall router throughput while supporting smaller numbers of concurrent VPN tunnels
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