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Solution Description

ContentKeeper's High Availability Module (HAM). The HAM is an electro mechanical Ethernet switch which ensures network connectivity even in the event of a hardware, software or power failure. The software has also been engineered to be totally robust via an inbuilt auto-health monitoring and checking system which can correct minor errors, and report status to the HAM, helping ensure that the system is operational at all times.

HAMs can also provide an automatic hot standby failover to a second ContentKeeper Appliance.

ContentKeeper Appliances now come with a HAM built-in on the motherboard (see below for details).

Mission Critical Network Stability.

ThThe ContentKeeper HAM module is an Ethernet Bypass Switch providing automatic bypass of the ContentKeeper appliance in the unlikely event of any hardware or software failure. It provides the ContentKeeper Administrator with a point and click ability to force the unit to bypass all Ethernet traffic or go back online. It also allows the ContentKeeper Software to be upgraded during production hours without disrupting network connectivity (during upgrades the ContentKeeper box simply and automatically switches into bypass mode if a reboot or restart is required).

In the event of a failure of ContentKeeper appliance, the HAM removes the ContentKeeper filtering appliance from the Ethernet data stream. When in bypass mode the HAM directly connects the ContentKeeper's Ethernet ports to re-establish end-to-end communications. An audible alarm is emitted when in bypass mode. The HAM can be monitored and configured via the ContentKeeper filtering appliance Administration screen. The ContentKeeper HAM is available in multiple configurations as described below.td>

Ethernet Speed

Description

10/100BaseT

Internal PCI Card	External Module

10/100/1000BaseT(Gigabit)

Internal PCI Card	External Module

OpticalHAM 1000 Base (Fiber)

Internal PCI Card	External Module

Key Features

			Provides cost effective high availability



			Provides cost effective automatic fail over to a second ContentKeeper appliance



			Independent Watchdog function responds to hardware failures and power outages



			Quickly bypasses any failing ContentKeeper Appliance - configurable - by default, within 4 seconds (almost instantly when Cisco "portfast" is set on attached switches).



			Application keep alive provides automatic bypass in the event of software failure



			Completely transparent to Ethernet traffic




			Simple control interface via ContentKeeper GUI administration menu



			Allows administrator point and click bypass control



			Maintains end-to-end connectivity through power failures



			Flash firmware upgradeable



			Flexible Physical Design for PCI Internal Card or External Chassis Applications



			Supports: 10/100 BaseT and 1000BaseT Ethernet and Optical Fiber networks

Interface

			Onboard built-in to most ContentKeeper appliances



			Programmable Ethernet Bypass switch



			4 x Network Interface ports (on external or PCI HAM only)



			Ease of Installation and management



			Fault tolerant hardware and application design



			Network and Operating System independent




			Bypass function is not reliant on electrical supply

Operating Environment

		Compatible with all operating environments, including: Microsoft™, Novell™, Unix, Linux™, Apple™



		Designed for corporate high availability, high throughput and load balanced environments, as well as small site installations.



		Ease of Installation and management



		Hack-proof transparent Ethernet Bypass Switch: No desktop re-configuration or IP re-numbering



		Compatible with any proxy servers, firewalls, caching devices, routers and other IP based network devices.

Administration

		Full web-based, online/bypass and configuration support



		Web Browser based management - local and remote via ContentKeeper menu



		Fully automatic cut-in (bypass) and system restore (no user involvement required)

ContentKeeper Appliances

			SME2 - On board HAM on 10/100 ports only. For Gigabyte port usage the unit requires either an internal 10/100/1000BaseT HAM or an external 10/100/1000BaseT HAM (optional)



			LE2 - on board 10/100/1000BaseT HAM (included)



			VLE - - on board 10/100/1000BaseT HAM (included)



			OLDER APPLIANCES



			SB - No on Board HAM - uses external 10/100BaseT HAM (optional) *



			SME - no on board HAM - uses external 10/100BaseT HAM (optional) *




			LE - use either an internal 10/100/1000BaseT HAM or an external 10/100/1000BaseT HAM *

For "automatic hot stand-by failover" an additional HAM is required. Use an external (black box) or internal (PCI card) 10/100/1000 BaseT HAM or an 10/100 BaseT HAM.

* Appliances marked with "*" are older models no longer available

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