Compaq 400338-001 Deploying HP KVM consoling solutions best practices
Compaq 400338-001 - KVM Switch Manual
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Compaq 400338-001 manual content summary:
- Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 1
types, tiering, and port blocking 7 Virtual media functionality...8 Local versus remote management ...9 Remote KVM console operation...10 IPv6 protocol support...10 KVM performance over a network...11 Session types...11 Managing switch users through Active Directory 12 Authenticate Only mode...13 - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 2
cost. Keyboard/video/mouse (KVM) consoles, console switches, and adapters can be combined to work together to address such data center problems as space constraints, management of heterogeneous systems, remote access needs, unpleasant working environments, and cable clutter. Introduction Managing an - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 3
HP consoles, switches, and accessories HP console switches allow control of multiple servers through one or more KVM consoles for efficient server management. HP Serial Console Servers allow the use of remote consoles or terminals to manage servers and other devices through their serial ports. These - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 4
switch allows an administrator to directly access up to 16 servers, and more servers in a tiered system. Depending on the model, the console switch supports up to four simultaneous users per switch (one local user using the local rack mounted console plus three remote users, or four remote users - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 5
interface adapters are available. Allows serial devices to be controlled and managed by KVM management solutions. VM support? Yes Yes No No No No Virtual media (VM) operation is supported only by the Virtual Media Interface adapter, which is easily distinguishable from legacy non-VM adapters by - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 6
or keyboard functionality. Interface adapters should NOT be used to tier an HP Server Console Switch, but they MUST be used to tier a legacy Compaq Server Console Switch. HP interface adapters are exclusively configured for use with an HP IP Console Switch or an HP Server Console Switch. They are - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 7
one or two local KVM users to fully manage any server connected directly or tiered downstream. When tiered downstream from an HP IP Console Switch supporting a remote KVM user, the HP Server Console Switch enables that remote KVM user to access and manage any server connected directly or tiered - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 8
connected mass storage device (USB floppy or drive key) or an optical (CD or DVD) drive to a target server. An IMG image file of a floppy disk or ISO image file of a CD-ROM can also be mapped to a target server from a remote client using IP Console Viewer 3.0 or later. HP IP Console - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 9
Local versus remote management HP console switches provide connections for local KVM console management. The HP IP Console Switch also provides an Ethernet port allowing up to four workstations to operate as remote KVM consoles over a LAN or the Internet. Figure 7 illustrates an example of a two- - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 10
BOOTP (default) addressing. Operation with IPv4 allows switch firmware updates from File Transfer Protocol (FTP) or Trivial FTP (TFTP) servers. The IPv6 can be set to either Static or DHCPv6 addressing. Note that IPv6 supports firmware updates using only the FTP method when doing the update from - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 11
, HP recommends that administrators do the following for KVM sessions: • Use a 100 Mbps (or faster) network. The latest HP IP Console Switches support operation on gigabit Ethernet networks. • Use standard video settings and color depth (1024 x 768 @ 256 colors). • Minimize screen refreshes by not - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 12
for small-to-medium sized networks. The HP IP Console Switch with Virtual Media comes with full LDAP support. LDAP enables system administrators to use directory services for managing remote KVM console switch users with the same efficiency as managing network users and resources. Active Directory - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 13
the switch and all connected servers. However, a user must log into a connected server. Authenticate Only mode In Authenticate Only mode, the directory service of the domain controller validates switch users, but the switch itself grants access to the requested server. User data exists in the both - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 14
LDAP mode In LDAP mode, the directory provides complete control of switch user access: user ID, password, and rights to individual servers and switches. Two types of queries can occur in LDAP mode: • Console switch query - An attempt by a switch user to perform an action requiring switch - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 15
LDAP User Attribute mode In User Attribute mode (Figure 13) the directory checks the user ID and password. If they are valid, the directory uses an attribute in the notes field of the user object to determine access rights. Figure 13. Query processing in LDAP User Attribute mode Switch User 1. - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 16
work out-of-band from LANs, they are not affected by network issues such as network failures, security issues, denial-of-service events, or bandwidth problems (performance degradation from high traffic). Local KVM consoles use the OSD application that resides in the firmware of the console switch - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 17
power down. The HP IP Console provides remote KVM access to all the servers, while iLO Standard provides virtual power to those servers that support it. Table 4 indicates key differences between the HP IP Console Switch and HP Lights-Out technology. Table 4. KVM functionality of the HP IP Console - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 18
will be limited to the abilities of the legacy component. Legacy Compaq console switches must be upgraded with the latest firmware to be recognized Figure 16 illustrates an example of a KVM console requirement where virtual media support is needed for all managed servers. A network PC running HP IP - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 19
digits = second tier switch port, third two digits = third tier switch The interface adapters used for this example are the latest versions that support virtual media operations. The server numbers indicate the port designations that the user will see, either at the remote KVM console or the Local - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 20
closed and stored position. • Performance - Users may easily interpret the delay in bringing up a server from energy saving mode as a system problem. Mouse tuning Using a workstation as a remote KVM device requires that the mouse activity of the remote (controlling) device be synchronized with the - Compaq 400338-001 | Deploying HP KVM consoling solutions best practices - Page 21
contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable
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Deploying HP KVM consoling solutions
technology brief, 2
nd
edition
Abstract
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2
Introduction
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2
HP consoles, switches, and accessories
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3
HP TFT7600 Rackmount Keyboard Monitor
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3
HP IP Console Switch with Virtual Media
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4
HP Server Console Switch with Virtual Media
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4
Interface adapters
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5
CAT5 cabling
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6
Designing a consoling solution
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7
Console switch types, tiering, and port blocking
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7
Virtual media functionality
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8
Local versus remote management
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9
Remote KVM console operation
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10
IPv6 protocol support
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10
KVM performance over a network
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11
Session types
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11
Managing switch users through Active Directory
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12
Authenticate Only mode
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13
LDAP mode
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14
Local KVM console operation
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16
Integrating HP console switches and HP Lights-Out technology
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17
Integrating legacy KVM components
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18
KVM consoling example
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18
Implementation best practices
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19
Firmware upgrades
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19
Equipment layout and security
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20
Energy mode
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20
Mouse tuning
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20
For more information
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21
Call to action
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