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Features
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Features
This section describes the SA-VAM2+ features, as listed in
Table 1-1
Feature
Throughput
Number of IPSec protected tunnels
Number of tunnels per second
Hardware-based encryption
VPN tunneling
Hardware-based compression
Standards supported
(Optional) Port Adapter Jacket Card
1. As measured with IPSec 3DES HMAC-SHA1 on 1400-byte packets.
2. Number of tunnels supported varies based on the total system memory installed.
VPN Acceleration Module 2+ (VAM2+) Installation and Configuration Guide
1-4
Data Encryption Standard (DES) standard mode with 56-bit key: Cipher Block Chaining (CBC)
3-Key Triple DES (168-bit) algorithms at speeds up to 292 Mbps
128/192/256-bit Advanced Encryption Standard (AES) in hardware
Performance to OC3 full duplex with 300 byte packets
Up to 5000 tunnels for DES/3DES/AES
Provides compression with IPSec at no extra overhead (LZS)
Secure Hash Algorithm (SHA)-1 and Message Digest 5 (MD5) hash algorithms
Rivest, Shamir, Adelman (RSA) public-key algorithm
Diffie-Hellman Groups 1, 2 and 5
Online Insertion and Removal (OIR)
SA-VAM2+ Features
1
Table
Description/Benefit
Up to 292 Mbps using 3DES on the Cisco 7200VXR routers,
and up to 392 Mbps using 3DES on the Cisco 7301 router
Note
The number of IPSec tunnels depends on packet size
2
3
Up to 5000 tunnels
Up to 50
Data protection: IPSec DES, 3DES, AES, IPv6 IPSec
Authentication: RSA and Diffie-Hellman
Data integrity: SHA-1 and Message Digest 5 (MD5)
IPsec tunnel mode; Generic Routing Encapsulation (GRE) and
Layer 2 Tunneling Protocol (L2TP) protected by IPSec
Layer 3 IPPCP LZS
IPSec/IKE: RFCs 2401-2411, 2451
IPPCP: RFC 2393, 2395
The Port Adapter Jacket Card is available on the
Cisco 7200VXR router with the NPE-G1 or NPE-G2
processor.
The Port Adapter Jacket Card supported on the
Note
Cisco 7200VXR router with the NPE-G2 is available
on Cisco IOS Release 12.4(4)XD1 or later.
The Port Adapter Jacket Card supported on the
Cisco 7200VXR router with the NPE-G2 is available
on Cisco IOS Release 12.4(4)XD or later.
Chapter 1
1-1.
Overview
4
OL-5979-03
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