Cisco Wide Area Virtualization Engine 274 Troubleshooting Guide download pdf (Page 43)

REVIEW DRAFT—CISCO CONFIDENTIAL

1-23

Cisco Wide Area Application Services Configuration Guide

OL-26579-01

Chapter 1 Introduction to Cisco WAAS

Benefits of Cisco WAAS

Because the software must perform each disk write operation against two disk drives, the filesystem

write performance may be affected.

• Disk Hot-Swap Support—WAAS for RAID-1 allows you to hot-swap the disk hardware. RAID-5

also allows you to hot-swap the disk hardware after the RAID array is shut down. For the disk

removal and replacement procedures for RAID systems, see Chapter 1, “Maintaining Your WAAS

System.”

Streamlined Security

Cisco WAAS supports disk encryption, which addresses the need to securely protect sensitive

information that flows through deployed WAAS systems and that is stored in WAAS persistent storage.

Cisco WAAS does not introduce any additional maintenance overhead on already overburdened IT staffs.

Cisco WAAS avoids adding its own proprietary user management layer, and instead makes use of the

users, user credentials, and access control lists maintained by the file servers. All security-related

protocol commands are delegated directly to the source file servers and the source domain controllers.

Any user recognized on the domain and source file server are automatically recognized by Cisco WAAS

with the same security level, and all without additional configuration or management.

Cisco WAAS delegates access control and authentication decisions to the origin file server.

SNMP Support

Cisco WAAS supports Simple Network Management Protocol (SNMP) including SNMPv1, SNMPv2,

and SNMPv3. Cisco WAAS supports many of the most commonly used SNMP managers, such as HP

OpenView and IBM Tivoli NetView.

Most Cisco WAAS traps are also recorded in the logs displayed in the WAAS Central Manager GUI,

although some (such as exceeding the maximum number of sessions) are reported only to the SNMP

manager.

Cisco WAAS supports parameters based on SNMPv2, enabling it to integrate into a common SNMP

management system. These parameters enable system administrators to monitor the current state of the

WAAS network and its level of performance.

Exported parameters are divided into the following categories:

• General parameters—Includes the version and build numbers and license information.

• Management parameters—Includes the location of the Central Manager.

• Data center WAE parameters—Includes the general parameters, network connectivity parameters,

and file servers being exported.

• Branch WAE parameters—Includes the general parameters, network connectivity parameters, CIFS

statistics, and cache statistics.

For more information about SNMP and supported MIBs, see Chapter 1, “Configuring SNMP

Monitoring.”

1 ... 42 43 44 ... 594

No comments

Cisco Wide Area Virtualization Engine 274 Troubleshooting Guide Page 43