IP Configuration
Domain Name
401 Cisco 500 Series Managed Switch Administration Guide
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address configured on the device by DHCP. There can be 256 dynamic
entries.
Name resolution always begins by checking static entries, continues by checking
the dynamic entries, and ends by sending requests to the external DNS server.
Eight IP addresses are supported per DNS server per host name.
To add a host name and its IP address:
STEP 1 Click IP Configuration > Domain Name System> Host Mapping.
STEP 2 If required, select the Clear Table option to clear some or all of the entries in the
Host Mapping Table.
• Static Only—Deletes the static hosts.
• Dynamic Only—Deletes the dynamic hosts.
• All Dynamic & Static—Deletes the static and dynamic hosts.
The Host Mapping Table displays the following fields:
• Host Name—User-defined host name or fully-qualified name.
• IP Address—The host IP address.
• IP Version—IP version of the host IP address.
• Type—Is this a Dynamic or Static entry to the cache.
• Status— Displays the results of attempts to access the host
-
OK
—Attempt succeeded.
-
Negative Cache
—Attempt failed, do not try again.
-
No Response
—There was no response, but system can try again in
future.
• TTL (Sec)— If this is a dynamic entry, how long will it remain in the cache.
• Remaining TTL (Sec)— If this is a dynamic entry, how much longer will it
remain in the cache.
STEP 3 To add a host mapping, click Add.
STEP 4 Enter the parameters.
• IP Version—Select Version 6 for IPv6 or Version 4 for IPv4.
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