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28
Chapter 7: Services Tab
EdgeRouter
™
Lite User Guide
Ubiquiti Networks, Inc.
Chapter 7: Services Tab
The
Services
tab displays status information about DHCP
servers, DNS forwarding, and the PPPoE server. Any setting
marked with a blue asterisk
*
is required.
You have three sub-tabs:
DHCP Server
Configure DHCP servers to implement
different subnets on the independent interfaces.
DNS
Configure DNS forwarding so the EdgeRouter
receives all LAN DNS requests and forwards them to the
service provider’s DNS server.
PPPoE Server
Configure the PPPoE server so a remote
PPPoE client can establish a tunnel to the EdgeRouter for
network access.
DHCP Server
A DHCP server assigns IP addresses to DHCP clients. You
can configure multiple DHCP servers to assign IP ranges in
different subnets on the different interfaces.
Add DHCP Server
To create a new DHCP server, click
Add
DHCP Server
.
The
Create DHCP Server
screen appears.
Complete the following:
•
DHCP Name
Enter a name for this DHCP server.
•
Subnet
Enter the IP address and subnet mask using
slash notation:
<network_IP_address>
/
<subnet_mask_number>
(example:
192.0.2.0/24
).
•
Range Start
Enter the starting IP address of the range.
•
Range Stop
Enter the last IP address of the range.
•
Router
Enter the default route of the DHCP clients. The
DHCP clients route all packets to this IP address, which is
the EdgeRouter’s own IP address in most cases.
•
DNS 1
Enter the IP address of the primary DNS server.
Your ISP may provide this information, or you can use
Google’s DNS server at
8.8.8.8
.
•
DNS 2
Enter the IP address of the secondary DNS server.
•
Enable
Check the box to enable this DHCP server.
Click
Save
to apply your changes, or click
Cancel
.
Page 32 / 58
29
Chapter 7: Services Tab
EdgeRouter
™
Lite User Guide
Ubiquiti Networks, Inc.
Search
Allows you to search for specific text. Begin
typing; there is no need to press
enter
. The results are
filtered in real time as soon as you type two or more
characters.
A table displays the following information about each
DHCP server. Click a column heading to sort by that
heading.
Name
The name of the DHCP server is displayed.
Subnet
The IP address and subnet mask of the DHCP
server are displayed.
Pool size
The total number of IP addresses is displayed.
Leased
The number of leased IP addresses is displayed.
Available
The number of available IP addresses is
displayed.
Actions
Click the
Actions
button to access the following
options:
•
View Leases
To view the current DHCP leases, click
View Leases
. Go to the
Configure the DHCP Server
>
Leases
section.
•
Configure Static Map
To map static IP addresses to
MAC addresses, click
Configure Static Map
. Go to
“Static MAC/IP Mapping” on page 30
.
•
View Details
To configure the DHCP server, click
View
Details
. Go to
“Details” on page 31
.
•
Delete
Delete the DHCP server; its configuration will be
removed.
•
Disable
Disable the DHCP server while keeping its
configuration.
Configure the DHCP Server
The
DHCP Server -
screen appears. You have three tabs
available.
Leases
The top section displays the following status information:
•
Pool Size
The total number of IP addresses is displayed.
The DHCP server assigns IP address from the pool (or
group) of IP addresses.
•
Leased
The number of used IP addresses is displayed.
•
Available
The number of available IP addresses is
displayed.
•
Subnet
The IP address and subnet mask of the DHCP
server are displayed in slash notation.
•
Range Start
The starting IP address of the range is
displayed.
•
Range End
The last IP address of the range is displayed.
•
Router
The default route of the DHCP clients is
displayed. The DHCP clients route all packets to this IP
address, which is the EdgeRouter’s own IP address in
most cases.
•
DNS
The IP address of the DNS server is displayed.
•
Status
The
Enabled
/
Disabled
status of the DHCP server
is displayed.
•
Search
Allows you to search for specific text. Begin
typing; there is no need to press
enter
. The results are
filtered in real time as soon as you type two or more
characters.
Page 33 / 58
30
Chapter 7: Services Tab
EdgeRouter
™
Lite User Guide
Ubiquiti Networks, Inc.
A table displays the following information about each
DHCP client. Click a column heading to sort by that
heading.
•
IP Address
The IP address assigned to the DHCP client
is displayed.
•
Hardware Address
The MAC address of the DHCP
client is displayed.
•
Lease Expiration
The date and time when the DHCP
lease will expire is displayed.
•
Pool
The name of the DHCP server is displayed.
•
Hostname
The name used to identify the DHCP client is
displayed.
At the bottom of the screen, you can click
Delete
to
delete the DHCP server and its configuration.
Static MAC/IP Mapping
The top section displays the following status information:
•
Pool Size
The total number of IP addresses is displayed.
•
Leased
The number of used IP addresses is displayed.
•
Available
The number of available IP addresses is
displayed.
•
Subnet
The IP address and subnet mask of the DHCP
server are displayed in slash notation.
•
Range Start
The starting IP address of the range is
displayed.
•
Range End
The last IP address of the range is displayed.
•
Router
The default route of the DHCP clients is
displayed. The DHCP clients route all packets to this IP
address, which is the EdgeRouter’s own IP address in
most cases.
•
DNS
The IP address of the DNS server is displayed.
•
Status
The
Enabled
/
Disabled
status of the DHCP server
is displayed.
•
Create New Mapping
To map a static IP address to a
specific MAC address, click
Create New Mapping
.
The
Create Static MAC/IP Mapping
appears.
Complete the following:
-
ID
Enter a name for this mapping.
-
MAC Address
Enter the MAC address of the DHCP
client.
-
IP Address
Enter the IP address that should be
assigned.
Click
Save
to apply your changes.
•
Search
Allows you to search for specific text. Begin
typing; there is no need to press
enter
. The results are
filtered in real time as soon as you type two or more
characters.
A table displays the following information about each
static MAC/IP mapping. Click a column heading to sort by
that heading.
•
Name
The name of the mapping is displayed.
•
MAC Address
The MAC address of the DHCP client is
displayed.
•
IP Address
The IP address assigned to the
corresponding MAC address is displayed.
•
Actions
Click the
Actions
button to access the
following options:
-
Config
To configure the mapping, click
Config
. Go to
“Configure Static MAC/IP Mapping” on page 31
.
-
Delete
Remove the selected mapping.
At the bottom of the screen, you can click
Delete
to
delete the DHCP server and its configuration.
Page 34 / 58
31
Chapter 7: Services Tab
EdgeRouter
™
Lite User Guide
Ubiquiti Networks, Inc.
Configure Static MAC/IP Mapping
The
Static MAC/IP Mapping
screen appears.
Make changes as needed.
-
ID
The name of this mapping is displayed.
-
MAC Address
Enter the MAC address of the DHCP
client.
-
IP Address
Enter the IP address that should be
assigned.
Click
Save
to apply your changes.
Details
The top section displays the following status information:
•
Pool Size
The total number of IP addresses is displayed.
•
Leased
The number of used IP addresses is displayed.
•
Available
The number of available IP addresses is
displayed.
•
Subnet
The IP address and subnet mask of the DHCP
server are displayed in slash notation.
•
Range Start
The starting IP address of the range is
displayed.
•
Range End
The last IP address of the range is displayed.
•
Router
The default route of the DHCP clients is
displayed. The DHCP clients route all packets to this IP
address, which is the EdgeRouter’s own IP address in
most cases.
•
DNS
The IP address of the DNS server is displayed.
•
Status
The
Enabled
/
Disabled
status of the DHCP server
is displayed.
The rest of the
Details
tab displays the following:
•
DHCP Name
The name of the DHCP server is displayed.
•
Subnet
The IP address and subnet mask of the DHCP
server are displayed in slash notation.
Make changes as needed to the following options:
•
Range Start
Enter the starting IP address of the range.
•
Range Stop
Enter the last IP address of the range.
•
Router
Enter the default route of the DHCP clients. The
DHCP clients route all packets to this IP address, which is
the EdgeRouter’s own IP address in most cases.
•
DNS 1
Enter the IP address of the primary DNS server.
Your ISP may provide this information, or you can use
Google’s DNS server at
8.8.8.8
.
•
DNS 2
Enter the IP address of the secondary DNS server.
•
Domain
Enter the domain name for DHCP clients.
•
Lease Time
Enter the period of time (in seconds) that a
DHCP lease should last.
•
Enable
Check the box to enable this DHCP server.
Click
Save
to apply your changes.
At the bottom of the screen, you can click
Delete
to
delete the DHCP server and its configuration.
DNS
The EdgeRouter receives all LAN DNS requests and
forwards them to the service provider’s DNS server. The
EdgeRouter receives responses from the DNS server and
forwards them to the LAN clients.
DNS Forwarding
Cache Size
Completed DNS requests are cached so
response time is faster for cached entries, and there is less
traffic traveling to the DNS server. Enter the maximum
number of DNS queries to cache.
Interface
Select the appropriate interface that the
EdgeRouter will listen to so it can forward DNS requests.
Add Listen Interface
You can select multiple interfaces.
To add another interface for DNS forwarding, click
Add
Listen Interface
. From the new
Interface
drop-down
menu, select the appropriate interface.
Click
Save
to apply your changes, or click
Cancel
.
Page 35 / 58
32
Chapter 7: Services Tab
EdgeRouter
™
Lite User Guide
Ubiquiti Networks, Inc.
PPPoE
The EdgeRouter can function as a PPPoE (Point-to-Point
Protocol over Ethernet) server so a remote PPPoE client
can establish a tunnel to the EdgeRouter for network
access.
PPPoE Server
Client IP pool range start
The client IP pool is the pool of
IP addresses that remote PPPoE clients will use. Enter the
starting IP address of the range (this address must in a /24
subnet).
Client IP pool range stop
Enter the last IP address of the
range.
RADIUS server IP address
The RADIUS (Remote Access
Dial-In User Service) server provides authentication to
help secure PPPoE connections. Enter the IP address of the
RADIUS server.
RADIUS server key
Enter the key shared with the RADIUS
server.
MTU
Enter the MTU for the PPPoE connection.
DNS 1
Enter the IP address of the primary remote access
DNS server that your PPPoE client will use.
DNS 2
Enter the IP address of the secondary remote
access DNS server.
Interface
Select the appropriate interface that the
EdgeRouter will listen to so it can forward PPPoE requests.
Add Listen Interface
You can select multiple interfaces.
To add another interface for PPPoE connections, click
Add Listen Interface
. From the new
Interface
drop-down
menu, select the appropriate interface.
Click
Save
to apply your changes, or click
Cancel
.

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