Cisco Cisco Email Security Appliance C170 Referências técnicas

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I R O N P O R T   A S Y N C O S   7 . 1   C L I   R E F E R E N C E   G U I D E
Using Your Own DNS Cache Servers
You can configure the appliance to use your own DNS cache server.
Code Example 3-24 
dnsconfig
 - Using your own DNS cache servers 
mail3.example.com> dnsconfig
Currently using the Internet root DNS servers.
No alternate authoritative servers configured.
Choose the operation you want to perform:
- NEW - Add a new server.
- EDIT - Edit a server.
- DELETE - Remove a server.
- SETUP - Configure general settings.
[]> setup
Do you want the Gateway to use the Internet's root DNS servers or
would you like it to use your own DNS servers?
1. Use Internet root DNS servers
2. Use own DNS cache servers
[1]> 2
Please enter the IP address of your DNS server.
Separate multiple IPs with commas.
[]> dnsmain.example.com
The IP address must be 4 numbers separated by a period.  Each number 
must be a value from 0 to 255. (Ex: 192.168.1.1)
Please enter the IP address of your DNS server.
Separate multiple IPs with commas.
[]> 10.10.200.03
Please enter the priority for 10.10.200.3.
A value of 0 has the highest priority.
The IP will be chosen at random if they have the same priority
[1]> 1
Choose the IP interface for DNS traffic.
1. Auto
2. Management (192.168.42.42/24)
3. PrivateNet (192.168.1.1/24: mail3.example.com)
4. PublicNet (192.168.2.1/24: mail3.example.com)
[1]> 1
Enter the number of seconds to wait before timing out reverse DNS 
lookups.