Cisco SPA112 Administration Manual page 23

Configuring the Network
Basic Setup
Cisco SPA100 Series Phone Adapters Administration Guide
Field
DNS Proxy
Starting IP Address
Maximum DHCP
Users
Client Lease Time
Static DNS
Description
When enabled, the DNS proxy relays DNS requests to
the current public network DNS server for the proxy, and
replies as a DNS resolver to the client device on the
network. Click Enabled to enable this feature, or click
Disabled to disable it. If DNS proxy is disabled, then
DHCP clients will be offered DNS server information by
using the Static DNS servers, if defined, or by using the
using the servers specified for the INTERNET (WAN)
interface. The default setting is Enabled.
Enter the first address in the range of addresses to be
assigned dynamically by the DHCP server. The default
setting is 192. 1 68. 1 5. 1 00.
Enter the maximum number of devices that can "lease"
DHCP addresses from the DHCP server. The default
value is 50.
IMPORTANT: Typically, the ATA can support up to five
connected computers for business-related tasks such
as web browsing and viewing email. The ATA is not
designed to support streaming music, video, games, or
other network traffic-intensive tasks.
Enter the number of minutes that a dynamically
assigned IP address can be used. After this time
elapses, a client device has to request a DHCP lease
renewal. The default is 0 minutes, which means one day.
If needed, enter the IP address of a DNS server that
DHCP clients should use directly for name resolution.
The default entry is 0.0.0.0, in which case the ATA uses
the DNS servers that are specified for the WAN
connection.
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