| Measurement |
Description |
Measurement
Unit |
Interpretation |
| Active_sessions |
The number of active Web sessions currently connected to the ISA Server |
Number
|
|
| Connect_errors |
The total number of errors that occurred while connecting |
Number
|
|
| Dns_cache_hit_ratio |
The percentage of DNS domain names served from the DNS cache |
Percent
|
|
| Reqeusts_rate |
The rate of requests to the Web Proxy filter |
Requests/Sec
|
A higher value means that more ISA Proxy server resources will be required to service incoming requests.
|
| Inbound_conns_rate |
The rate of incoming connections |
Conns/Sec
|
|
| Outbound_conns_rate |
The rate of outgoing connections |
Conns/Sec
|
|
| Failed_requests_rate |
The rate of requests that have failed because of some type of error |
Conns/Sec
|
A high failure rate, in comparison to the rate of incoming requests, will suggest that the ISA Proxy server is having difficulty in coping with all incoming requests. Connection settings for incoming Web requests may be incorrectly configured, or connection bandwidth may be insufficient.
|