Use this object to configure the DNS - Global window to configure global DNS settings.
On the SBC main screen, go to Configuration > System Provisioning > Category: Base Provisioning >DNS > Servers > Dns DNS > Global. The Global window is displayedopens.
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| 0 | Figure |
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| 1 | Dns DNS - Global Window |
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The following fields are displayed:Use the following table to configure the options and then click Save.
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| 0 | Table |
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| 1 | Dns DNS - Global Parameters |
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Parameter | Description |
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Iteration Count | Specifies Global Iteration DNS iteration count limit for DNS iterations of server requests. The value ranges from 0 to 32 and the default value is 8. | Retransmission Count | Specifies Global retransmission count limit for DNS iterations of server requests. The value ranges from 0 to 20 and the default value is 2. | Retransmission Timer | Specifies Global retransmission timer value (in milliseconds) for DNS iterations of server requests. The value ranges from 100 to 10000 and the default value is 500. | Monitoring Interval | Specifies Global monitoring interval (in seconds) for DNS Serversservers. The value ranges from 1 to 300 and the default value is 5. | Timeouts | Specifies Global number of time outs timeouts for blacklisting a DNS Serverserver. The value ranges from 0 to 32 and the default value is 0. | Probe Interval | Specifies Global probe interval (in seconds) for blacklisted DNS Serversservers. The value ranges from 1 to 300 and the default value is 5. |
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Any edits to the fields cannot be saved in this page.| Edns Payload Size | Global EDNS payload size, in bytes, for DNS servers. The value ranges from 512 to 4096 and the default value is 1280. | | Edns Retry After | Number of seconds to wait before retrying to establish EDNS support after a failure. The value ranges from 60 to 180 and the default is 180. | | Edns Failure Count | Maximum number of EDNS failure responses allowed, after which the DNS server is identified as unsupported for EDNS. The value ranges from 1 to 5 and the default value is 3. |
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