Cisco Cisco Email Security Appliance C170 Referências técnicas

Displaying the current DNS settings.

Each user-specified DNS server requires the following information:

Hostname 

IP address

Domain authoritative for (alternate servers only)

Four subcommands are available within the 

dnsconfig

 command:

mail3.example.com> dnsconfig

Currently using the Internet root DNS servers.

Alternate authoritative DNS servers:

1. com: dns.example.com (10.1.10.9)

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]> 1

Choose the IP interface for DNS traffic.

1. Auto

2. Management (10.92.149.70/24: mail3.example.com)

[1]> 

Enter the number of seconds to wait before timing out reverse DNS lookups.

[20]> 

Enter the minimum TTL in seconds for DNS cache.

[1800]> 

Currently using the Internet root DNS servers.

dnsconfig print

new

Add a new alternate DNS server to use for specific domains or local 
DNS server.

delete

Remove an alternate server or local DNS server.

edit

Modify an alternate server or local DNS server.

setup

Switch between Internet root DNS servers or local DNS servers.