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Step 4 To change the target chassis for a policy, click Edit ( ) next to the platform settings policy that you want to

edit.

a) Click Policy Assignment.

b) To assign a chassis to the policy, select it in the Available Chassis list and click Add. You can also drag

and drop.

c) To remove a chassis assignment, click Delete ( ) next to a chassis in the Selected Chassis list.

d) Click OK.

Configure DNS

You need to specify a DNS server if the chassis requires resolution of hostnames to IP addresses. These chassis

DNS settings are separate from the DNS settings per instance, which are configured in the device platform

settings.

When you configure multiple DNS servers, the chassis uses servers in a random order. You can configure up

to four servers across four DNS server groups. For example, you can configure a single server group with

four servers, or you can configure four server groups with one server each.

Procedure

Step 1 Choose Devices > Platform Settings and create or edit the chassis policy.

Step 2 Choose DNS.

Figure 43: DNS

Step 3 Enable the Enable DNS name resolution by device slider.

Step 4 Click Add to add a DNS server group.

Multi-Instance Mode for the Secure Firewall 3100

Configure DNS

Cisco Secure Firewall 3100 User Manual

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