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With this field you can alter the metric of that entry
6.
Client ID to send when
requesting DHCP
Specify client ID which will be sent when requesting DHCP
(Dynamic Host Configuration Protocol)
7.
Vendor Class to send
when requesting DHCP
Specify vendor class which be sent when requesting DHCP
(Dynamic Host Configuration Protocol)
8.
Override MAC address
86:48:71:B7:E9:E4
Override MAC address of the WAN interface. If your ISP gives you
a static IP address it might also bind it to your computers MAC
address (i.e. that IP will only work with your computer). In this
field you can enter your computers MAC address and fool the
gateway in thinking that it is communicating with your computer.
9.
Override MTU
1500
Maximum transmission unit
–
specifies the largest possible size of
a data packet.
7.2.2.2.3
PPPoE
Field name
Sample value
Explanation
1.
Disable NAT
Enable/Disable
If checked, router will not perform NAT (masquerade) on this
interface
2
Use default gateway
Enable/Disable
If unchecked, no default route is configured
3.
Use gateway metric
0
4.
Use DNS servers
advertised by peer
Enable/Disable
If unchecked, the advertised DNS server addresses are ignored
5.
LCP echo failure
threshold
0
Presume peer to be dead after given amount of LCP echo failures,
use 0 to ignore failures
6.
LCP echo interval
5
Send LCP echo requests at the given interval in seconds, only
effective in conjunction with failure threshold
7.
Inactivity timeout
0
Close inactive connection after the given amount of seconds, use
0 to persist connection
7.2.2.2.4
IP Aliases
IP aliases are a way of defining or reaching a subnet that works in the same space as the regular network.
Page 57 / 145
57
As you can see, the configuration is very similar to the static protocol; only in the example a 99th subnet is
defined. Now if some device has an IP in the 99 subnet (192.168.99.xxx) and the subnets gateway metric i
s “higher” and
the device is trying to reach the internet it will reroute it’s traffic not to the gateway that is defined in common
configurations but through the one that is specified in IP aliases.
You may also optionally define a broadcast address and a custom DNS server.
7.2.2.2.5
Backup WAN configuration
Backup WAN is function that allows you to back up your primary connection in case it goes down. There can be
two backup connections selected at the same time, in that case, when primary connection fails, router tries to use
backup with higher priority and if that is unavailable or fails too, then router tries the backup with lower priority.
The majority of the options consist of timing and other important parameters that help determine the health of
your primary connection. Regular health checks are constantly performed in the form of ICMP packets (Pings) on your
primary connection. When the connections state starts to change (READY->NOT READY and vice versa) a necessary
amount of failed or passed health checks has to be reached before the state changes completely. This delay is instituted
so as to mitigate “spikes” in connection availability, but it also extends the time before the backup link can be brought
up or down.
Page 58 / 145
58
Field Name
Sample value
Explanation
1.
Health monitor Interval
Disable/5/10/20/30/60/120
Seconds
The interval at which health checks are performed
2.
Health monitor ICMP host(s)
Disable/DNS Server(s)
/WAN GW/Custom
Where to Ping for a health check. As there is no
definitive way to determine when the connection
to internet is down for good, you’ll have to define
a host whose availability that of the internet as a
whole.
3.
Health monitor ICMP timeout
1/3/4/5/10 Seconds
How long to wait for an ICMP request to come
back. Set a higher value if your connection has
high latency or high jitter (latency spikes).
4.
Attempts before failover
1/3/5/10/15/20
How many checks should fail for your WAN
connection to be declared DOWN for good.
5.
Attempts before recovery
1/3/5/10/15/20
How many checks should pass for your WAN
connection to be declared UP.
7.2.2.3
How do I set up a backup link?
First we must select a main link and choose one or two backup links in WAN section. Then push the “Edit” button
and configure your WAN and Backup Wan settings to your liking. Click Save and wait until the settings are applied. Now
in the Status -> Network Information -> WAN page there should be a status indication for the backup WAN. If everything
is working correctly you should see something like this:
The above picture shows the status for Backup WAN configured on a wired main link. You can now simulate a
downed link by simply unplugging your Ethernet WAN cable. When you’ve done so you should see this:
And, if you plug the cable back in you should, again, see this:
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7.3
LAN
This page is used to configure the LAN network, where all your devices and computers that you connect to the
router will reside.
7.3.1
Configuration
7.3.1.1
General Setup
Field name
Sample value
Explanation
1.
IP address
192.168.1.1
Address that the router uses on the LAN network
2
IP netmask
255.255.255.0
A mask used to define how large the LAN network is
3.
IP broadcast
IP broadcasts are used by BOOTP and DHCP clients to find and
send requests to their respective servers
7.3.1.2
Advanced settings
Field name
Sample value
Explanation
1.
Accept router
advertisements
Enable/Disable
If enabled allows accepting router advertisements (Disabled by
default)
2.
Override MTU
1500
MTU (Maximum Transmission Unit) specifies the largest
possible size of a data packet
3.
Use gateway metric
0
With this field you can alter the metric of that entry
4.
Use WAN port as LAN
Enable/Disable
Enable/disable WAN port using as LAN port
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60
7.3.2
DHCP Server
The DHCP server is the router side service that can automatically configure the TCP/IP settings of any device that
requests such a service. If you connect a device that has been configured to obtain IP address automatically the DHCP
server will lease an IP address and the device will be able to fully communicate with the router.
7.3.2.1
General Setup
Field Name
Sample value
Explanation
1.
DHCP
Enable / Disable/
DHCP Relay
Manage DHCP server
2.
Start
100
The starting address of the range that the DHCP server can use to give out to
devices. E.g.: if your LAN IP is 192.168.2.1 and your subnet mask is 255.255.255.0
that means that in your network a valid IP address has to be in the range of
[192.168.2.1
–
192.168.2.254](192.168.2.0 and 192.168.2.255 are special
unavailable addresses). If the Start value is set to 100 then the DHCP server will
only be able to lease out addresses starting from 192.168.2.100
3.
Limit
150
How many addresses the DHCP server gets to lease out. Continuing on the above
example: if the start address is 192.168.2.100 then the end address will be
192.168.2.254 (100 + 150
–
1 = 254).
4.
Lease time
12
How long can a leased IP be considered valid. An IP address after the specified
amount of time will expire and the device that leased it out will have to request
for a new one. Select Hour or Minute (minimum 2min).

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