Draytek Vigor2860 Series User Manual

Vigor2860 Series User’s Guide
443
4
4
.
.
2
2
0
0
.
.
7
7
D
D
N
N
S
S
C
C
a
a
c
c
h
h
e
e
T
T
a
a
b
b
l
l
e
e
Click Diagnostics and click DNS Cache Table to pen the web page.
The record of domain Name and the mapping IP address for answering the DNS query from
LAN will be stored on Vigor router’s Cache temporarily and displayed on Diagnostics >>
DNS Cache Table.
Available settings are explained as follows:
Item Description
Clear
Click this link to remove the result on the window.
Refresh
Click it to reload the page.
When an entry’s TTL is
larger than….
Check the box the type the value of TTL (time to live) for
each entry. Click OK to enable such function.
It means when the TTL value of each DNS query reaches
the threshold of the value specified here, the corresponding
record will be deleted from router’s Cache automatically.

Draytek Vigor2860 Series Specifications

General

Firewall Type	Stateful Packet Inspection (SPI)
VPN Support	IPSec, PPTP, L2TP, SSL VPN
DoS Protection	Yes
Intrusion Prevention System (IPS)	Yes
LAN Interfaces	4 x Gigabit Ethernet
User Authentication	Local, RADIUS, LDAP
VPN Tunnels	32
Management Interface	Web-based, CLI
Concurrent Sessions	50, 000
Content Filtering	URL Keyword Filtering, Web Content Filtering