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This object creates and configures a global SIP DNS parameters. These apply to all DNS servers used for NAPTR, SRV, and Arecord queries.

To View and Edit Global

On SBC main screen, go to All > Global > Servers > Dns > Global. The Global window is displayed.

Servers - Dns - Global

The following fields are displayed:

Global - Servers - Dns - Global

Parameter

Description

Iteration
Count

The global Iteration count limit for DNS iterations of server requests.

Retransmission
Count

The global retransmission count limit for DNS iterations of server requests.

Retransmission
Timer

The global retransmission timer value (in milliseconds) for DNS iterations of server requests.

Monitoring
Interval

The global monitoring interval (in secs) for DNS Servers.

Timeouts

The global number of timeouts for blacklisting a DNS Server.

Probe Interval

The global probe interval (in seconds) for blacklisted DNS Servers.

Edns Payload Size
The global eDNS payload size for DNS servers. The values ranges from 512 to 4096 and the default value is 1280
Edns Retry After
The monitoring time interval in seconds if the eDNS request gets negative response from server. The value ranges from 60 to 180 and the default value is 180.
Edns Failure Count
The global eDNS maximum failure count for DNS servers. The maximum number of failure counts indicates that when the number of failure response for EDNS reaches this number, the server is marked as unsupported for eDNS. The value ranges from 1 to 5 and the default value is 3.

Make the required changes and click Save at the right hand bottom of the panel to save the changes made.

 

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