2N Wireless 3G router 2N EasyRoute_new design - User manual, 1670 v1.06 - Manual (Page 69)

Table of Programmable Parameters 3.2
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DNS
Enable
Here enable/disable the 2N ® EasyRoute DNS.
Enable cache
Enable/disable the 2N ® EasyRoute cache memory for DNS entries.
Cache low
Minimum number of DNS entries in the cache memory.
Cache high
Maximum number of DNS entries in the cache memory. When this limit is
reached, entries are deleted down to the minimum number of entries as provided
by the Cache low parameter.
Maximum sockets
Maximum number of requests that the DNS server can handle simultaneously.
Timeout
Time limit for the DNS server response. If the DNS server fails to respond within
this timeout, a reply comes back saying that the address is unknown or invalid.
DNS1/DNS2
Mobile provider’s servers or user-defined (LAN menu) servers to which the
gateway DNS refers for replies to queries.