Chapter 38 DHCP
GS3700/XGS3700 Series User’s Guide
322
38.5.1 DHCPv4 VLAN Port Configure
Use this screen to apply a different DHCP option 82 profile to certain ports in a VLAN. To open this
screen, click IP Application > DHCP > DHCPv4 > VLAN > Port.
Size of Client
IP Pool
Specify the size, or count of the IP address pool. The Switch can issue from 1 to 253 IP
addresses to DHCP clients.
IP Subnet
Mask
Enter the subnet mask for the client IP pool.
Default
Gateway
Enter the IP address of the default gateway device.
Primary/
Secondary
DNS Server
Enter the IP addresses of the DNS servers. The DNS servers are passed to the DHCP clients
along with the IP address and the subnet mask.
Relay
Use this section if you want to configure the Switch to function as a DHCP relay for this
VLAN.
Remote
DHCP Server
1 .. 3
Enter the IP address of a DHCP server in dotted decimal notation.
Option 82 Profile Select a pre-defined DHCP option 82 profile that the Switch applies to all ports in this
VLAN. The Switch adds the Circuit ID sub-option and/or Remote ID sub-option specified in
the profile to DHCP requests that it relays to a DHCP server.
Add
Click this to create a new entry or to update an existing one.
This saves your changes to the Switch’s run-time memory. The Switch loses these changes
if it is turned off or loses power, so use the Save link on the top navigation panel to save
your changes to the non-volatile memory when you are done configuring.
Cancel
Click Cancel to begin configuring this screen afresh.
Clear
Click Clear to reset the fields to the factory defaults.
VID
This field displays the ID number of the VLAN group to which this DHCP settings apply.
Type
This field displays Server or Relay for the DHCP mode.
DHCP Status
For DHCP server configuration, this field displays the starting IP address and the size of the
IP address pool.
For DHCP relay configuration, this field displays the first remote DHCP server IP address.
Delete
Select the configuration entries you want to remove and click Delete to remove them.
Cancel Click
Cancel to clear the Delete check boxes.
Table 172
IP Application > DHCP > DHCPv4 > VLAN (continued)
LABEL
DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
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46
47
48
49
50
51
52
53
54
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56
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58
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60
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