High Availability and Load Balancing
High Availability
8-2
High Availability
High availability occurs when one or more ESs takes over for an ES that has
become unavailable in a multiple-server installation.
Once an ES becomes unavailable, the other ESs take over enforcement from
the ES that is now unavailable. All ESs participate in enforcement. The MS
provides notification in the user interface at the top of the
Home
window. For
example, if an ES is unavailable, the notification indicates that at the top of
the
Home
window.
When NAC 800 is installed inline in a multiple-server configuration (figure 8-
1), the multiple ESs form a network loop (an undesired condition). The
Spanning Tree Protocol (STP) detects the loop and closes one of the offending
Содержание 800 Series
Страница 1: ...Users Guide www procurve com ProCurve Network Access Controller 800 ...
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Страница 3: ...ProCurve Network Access Controller 800 Release 1 1 Users Guide ...
Страница 32: ...Introduction Technical Support 1 14 Technical Support Technical support is available through www procurve com ...
Страница 43: ...2 1 2 Clusters and Servers Chapter Contents Overview 2 2 Installation Examples 2 3 ...
Страница 70: ...System Configuration Management Server 3 22 Figure 3 9 System Configuration Management Server ...
Страница 79: ...System Configuration User Accounts 3 31 Figure 3 12 System Configuration User Accounts ...
Страница 87: ...System Configuration User Roles 3 39 Figure 3 16 System Configuration User Roles ...
Страница 170: ...System Configuration Cluster Setting Defaults 3 122 Figure 3 55 System Configuration Agentless Credentials ...
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Страница 229: ...End user Access Mac OS X Endpoint Settings 5 23 Figure 5 8 Mac System Preferences ...
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Страница 299: ...8 1 8 High Availability and Load Balancing Chapter Contents High Availability 8 2 Load Balancing 8 6 ...
Страница 302: ...High Availability and Load Balancing High Availability 8 4 Figure 8 2 DHCP Installation ...
Страница 303: ...High Availability and Load Balancing High Availability 8 5 Figure 8 3 802 1X Installation ...
Страница 305: ...9 1 9 Inline Quarantine Method Chapter Contents Inline 9 2 ...
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Страница 311: ...DHCP Quarantine Method Overview 10 3 Figure 10 1 DHCP Installation ...
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Страница 319: ...802 1X Quarantine Method NAC 800 and 802 1X 11 5 Figure 11 2 NAC 800 802 1X Enforcement ...
Страница 320: ...802 1X Quarantine Method NAC 800 and 802 1X 11 6 Figure 11 3 802 1X Communications ...
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Страница 421: ...Reports Viewing Report Details 14 7 Figure 14 3 Test Details Report ...
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Страница 520: ...Tests Help Security Settings Windows B 34 http www pcworld com article id 112138 article html ...
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Страница 529: ...Important Browser Settings Pop up Windows C 3 1 Clear the Block Popup Windows check box 2 Close the Content window ...
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Страница 586: ... Copyright 2007 2008 Hewlett Packard Development Company L P June 2008 Manual Part Number 5991 8571 ...