Cisco Cisco Email Security Appliance X1050 Referencia técnica
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CLI Reference Guide for AsyncOS 9.7 for Cisco Email Security Appliances
Chapter 3 The Commands: Reference Examples
DNS
[]>
dnsflush
Description
Clear all entries from the DNS cache.
Usage
Commit: This command does not require a ‘commit’.
Cluster Management: This command is restricted to machine mode.
Batch Command: This command does not support a batch format
Example
mail3.example.com> dnsflush
Are you sure you want to clear out the DNS cache? [N]> Y
dnshostprefs
Description
Configure IPv4/IPv6 DNS preferences
Usage
Commit: This command requires a ‘commit’.
Cluster Management: This command is restricted to machine mode.
Batch Command: This command does not support a batch format
Example
mail3.example.com> dnshostprefs
Choose the operation you want to perform:
- NEW - Add new domain override.
- SETDEFAULT - Set the default behavior.
[]> new
Enter the domain you wish to configure.
[]> example.com
How should the appliance sort IP addresses for this domain?
1. Prefer IPv4
2. Prefer IPv6