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Steelhead Appliance Model 6120 
This newest Steelhead appliance has a data store that is over 3 TB in size - more than two times the largest previously available. The Steelhead 6120 gives organizations even greater scalability for data center-to-data center transfers, while still being compatible with an end-to-end system of acceleration for branch offices and mobile workers. With a convenient 3U server format, The Steelhead Appliance 6120 can easily be rack-mounted or kept in a server closet. Optional multi-port Ethernet cards enable integration into multi-link or redundant WAN connections. Clustering with the Interceptor appliance provides additional failover or scaling in extremely large deployments, ensuring that Steelhead appliances can always scale up to meet your application acceleration needs
Specifications - Riverbed Steelhead Appliance Model 6120, SHA-06120
Product Code: SHA-06120
Product Name: Steelhead Model 6120
Profile: 3U Rack-mountable
WAN Capacity: 310 Mbps
WAN Capacity (High Speed): 800 Mbps
Optimized TCP Connections: 4000
Total Disk: 7 TB
Data Store Capacity: 3.4 TB
RAM: 16 GB
Raid: Yes
Hot swappable disks: Yes
Interfaces: 2-Port 10/100/1000Base-T bypass NIC
Max number of bypass ports: 12
Other Notes: Includes triple power supplies, Proxy File Service is supported
Product Purpose: Based on the specifications above, you will see that the Riverbed's Steelhead Appliance Model 6120, with 4000 optimized TCP connections, is designed to specifically address disaster recovery and replication in large data center to data center environments.
Usage Example: Many organizations use the Steelhead 6120 at hub site locations and data centers to optimize disaster recovery, data backup and replication.
Upgradeability: None
Maintenance Options:
Steelhead 6120 Silver Support / 24x7 Web, Phone & Email Support / Software Support (updates and major releases) / Hardware Support (repair or ship ground after receiving failed unit)
Steelhead 6120 Gold Support / 24x7 Web, Phone & Email Support / Software Support (updates and major releases) / Hardware Support (next day advanced replacement)
Steelhead 6120 Platinum Support / 24x7 Web, Phone & Email Support / Software Support (updates and major releases) / Hardware Support (4 hour replacement) / Annual Service Review
Recommended Upgrade Path: Clustering of multiple Steelhead appliances for additional users/TCP connections
Features - Riverbed Steelhead Appliance Model 6120
Optimization
- Data Streamlining - Reduces bandwidth utilization by 60 to 95%; QoS enforcement and low-latency queuing
- Transport Streamlining - Overcomes TCP limitations; Accelerates encrypted SSL traffic; Provides Virtual Window Expansion; Enables High-Speed TCP and MX-TCP
- Application Streamlining - overcomes application protocol limitations for CIFS, NFS. MAPI, HTTP, HTTPS and SQL; Enables disconnected operations; Provides transparent pre-population
Network Integration
- Transparency - Export real-time flows from a Steelhead appliance to a 3rd party Netflow collector, giving full visibility into WAN traffic by source, destination, IP address, application port, and more
- Auto Discovery - Appliances automatically find in-path peers in the network, with no tunnel configurations required
- Deployment - Installs transparently in-line or as a "one arm" attachment to routers/switches with direct configuration, WCCP, PBR, and L4 switch redirection modes
- Asymmetric Routing - Asymmetric route detection and Connection Forwarding for support of route asymmetry on both the client and server sides
- Network Agnostic - Full mesh, hub and spoke, and multi-drop topologies supported; MPLS, IP VPN, Satellite, Frame, ATM and any other IP transport supported
Management and Policy
- Configuration - Web UI, command line interface, and Central Management Console (CMC)
- Marking - DSCP, port, and VLAN mapping and/or preservation. Automatic Port-to-Application mapping for reporting
- Reporting - Robust real-time performance statistics gathering, export, and graphical reporting; Local, CMC, and Syslog logging; Report on traffic by QoS class, application, and more; SNMP support
- Optimization Policy - Per-application admission and optimization controls
- Bandwidth Management - HSFC-based QoS allows for application prioritization, low-latency queuing for VoIP; Settable WAN bandwidth rate controls included
High Availability and Security
- Clustering - Serial (in-path), parallel (out-of-path), or virtual in-path clustering for massive scalability
- Fail-to-Wire - Ensures no loss in network connectivity in the event of device failure
- N:1 and 1:1 Redundancy - Hot-standby redundancy and N:1 clustering
- Redundant disk and power - Available RAID and dual power supplies on larger models
- Security - RADIUS and TACACS+ support for authenticating access. Configurable IPSec encryption for WAN traffic
- Dual Image SW Upgrades - Scheduled over-the-wire software upgrades with dual image, rollback, and scheduled restart/reboot
Security
- SSL acceleration that maintains traffic encryption without breaking the preferred trust model
- RADIUS and TACACS+ support for authenticating access.
- Configurable IPSec encryption for WAN traffic
- Secure registration ensures only approved devices communicate with the central management console (CMC)