APC Snap Server 2200 Specifications Page 28
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TCP/IP Options
14 Snap Server Administrator Guide
TCP/IP Options
GuardianOS Snap Servers ship with Dual Gigabit Ethernet ports. The following
table describes TCP/IP options; default settings appear in boldface.
Default TCP/IP Settings and Options
Option Setting Description
TCP/IP
Addressing
DHCP By default, Snap Servers acquire an IP address from the DHCP
server on the network.
Static Administrators may assign a fixed IP address as necessary.
Network
bonding
Standalone The default Standalone setting treats each port as a separate
interface, effectively disabling network bonding. Network bonding
treats two ports as a single channel for failover or load balancing
purposes.
Load
Balancing
An intelligent software adaptive agent repeatedly analyzes the
traffic flow from the server and distributes the packets based on
destination addresses, evenly distributing network traffic for
optimal network performance.
The Snap Server supports a server-side load balancing
implementation called ALB (Adaptive Load Balancing). Switch-
based load balancing (GEC or FEC) is not currently supported.
Do not configure the switch ports that the Snap Server uses for
GEC or FEC.
Tip
Load balancing occurs only on Layer 3 routed protocols (IP).
Failover This mode uses the first Ethernet port as the primary network
interface and the second Ethernet port is held in reserve as the
backup interface. Redundant network interfaces ensure that an
active port is available at all times. If the primary port (Ethernet1)
fails due to a hardware or cable problem, the secondary port
(Ethernet2) assumes its network identity.
Tip
Failover mode does not provide switch fault tolerance.
Speed/
duplex
Auto The default setting of Auto enables automatic negotiation of the
speed and duplex settings based on the physical port connection
to a switch. The speed setting establishes the rate of
transmission and reception of data. The duplex setting causes
the Ethernet port to transmit packets in one way or two ways at
the same time. Hubs normally only support “half” duplex.
Tip
Auto is the only allowable setting for a Gigabit port.
Fixed
The Snap Server may also be set to fixed speed/duplex setting.
10Mbps/half; 10Mbps/full; 100Mbps/half; 100Mbps/full
Tip
To prevent connectivity problems when changing to a fixed
setting, see “Changing from Auto to a Fixed Setting” on page 16.
- Snap Server 1
- Administrator Guide 1
- ETRUST ANTIVIRUS 6
- Contents 7
- Documentation Feedback 11
- Audience and Purpose 11
- Service and Technical Support 11
- Tips and Cautions 12
- Typographical Conventions 12
- Finding More Information 13
- Administrative Overview 15
- GuardianOS Specifications 16
- Feature Specification 17
- New Features in this Release 19
- Snap Server Manager 19
- Launching Snap Server Manager 20
- Server Name 22
- Date/Time Settings 22
- Configuring an APC-Brand UPS 23
- SnapExtensions 24
- Add-On Features 25
- Chapter 2 27
- TCP/IP Options 28
- Configuring TCP/IP Settings 30
- Windows SMB Access 31
- Support for Windows (SMB) 32
- NFS Access 33
- Apple File Protocol Access 34
- FTP Access 35
- HTTP/HTTPS Access 36
- DHCP Server 36
- User & Group Management 37
- Local Users and Groups 38
- Windows Workgroup or Domain 39
- NIS Domain 41
- Storage Configuration & 43
- Expansion 43
- RAID Groups 45
- Local and Global Hot Spares 45
- RAID Management Tools 46
- Volumes 47
- Quotas 48
- Expansion Arrays 49
- The Snap Disk 10 50
- The Snap Disk 30SA 50
- The Snap Disk 32SA 51
- Status Devices 52
- The Enclosure Summary Screen 53
- Chapter 5 55
- Chapter 5 iSCSI Disks 43 57
- Share and File Access 59
- Components and Options 60
- SnapTree Functionality 61
- Creating Shares 62
- Share Access Behaviors 63
- The NFS Warning Message 64
- (Windows) 65
- Access Permissions 67
- Snapshots 69
- Scheduling Snapshots 70
- NDMP and Snapshots 70
- Snapshots and iSCSI Disks 70
- Adjusting Snapshot Pool Size 71
- Accessing Snapshots 72
- Chapter 7 Snapshots 59 73
- Disaster Recovery 75
- Backup Recommendations 77
- Pre-Restore Requirements 78
- Restore Recommendations 78
- Maintenance Mode 80
- CA eTrust Antivirus Software 83
- Antivirus Dependencies 84
- The Local Scanner View 86
- Defining Scan Jobs 87
- Running a Manual Scan Job 88
- Scheduling a Scan Job 88
- Signature Updates 89
- Download Now 91
- Alert Options 93
- The Move Directory 94
- Log View 95
- Troubleshooting Snap Servers 97
- The Meaning of LED Indicators 100
- Behavior 105
- System Reset Options 106
- Caution 107
- Networking Issues 109
- Miscellaneous Issues 113
- Phone Home Support 114
- Text Field Description 115
- Appendix K 117
- Pre-installation Tasks 119
- Errors Messages To Be Ignored 125
- •Recover — 129
- •Nsrretrieve — 129
- Glossary 131
- Term Definition 132
- Ter m Definition 133
- Chapter 12Symbols 143
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