If a DHCP server based on a VLANIF interface address pool
is configured, all the users going online through this interface obtain
IP addresses from the VLANIF interface address pool.
Context
- Enable the DHCP service before configuring an address pool on
a VLANIF interface.
- You can configure an address pool on a VLANIF interface when a
device supports switched Ethernet interfaces. IP addresses cannot
be configured on switched Ethernet interfaces directly; therefore,
you need to create a VLANIF interface and configure a DHCP address
pool on the VLANIF interface.
Procedure
- Query information about a VLANIF interface address pool.
- Choose in the navigation tree to open the Configure VLANIF Interface Address Pool page.
- Set the search criteria.
- Click Query to display all the
matching records.
- Create a VLANIF address pool.
- Choose in the navigation tree to open the Configure VLANIF Interface Address Pool page.
- Click New to open the Create a VLANIF Address Pool page.
Table 1 describes the parameters
on the Create a VLANIF Address Pool page.
Table 1 Create a VLANIF Address Pool
Parameter
|
Description
|
Basic Settings
|
VLANIF Name
|
Indicates the name of a VLNAIF interface. Select
a name from the drop-down list box. NOTE: The VLANIF
interfaces in the drop-down list box are created in the Interface Management module.
|
| Address pool type |
An address pool can be a global address pool or an interface
address pool.
- global: Select global if a global address pool is configured and
then configure related parameters in the Configuring Global Address
Pool page.
- interface: Select interface if an interface address pool is configured.
|
Interface IP
|
Indicates the IP address of the selected VLANIF interface.
The value is displayed automatically after you select a VLANIF interface.
|
Mask
|
Indicates the subnet mask of the selected VLANIF interface.
The value is displayed automatically after you select a VLANIF interface.
|
Expired
|
Indicates the lease of dynamic IP addresses. The default
lease is one day. The value range is as follows: - day: an integer ranging from 0 to 999
- hour: an integer ranging from 0 to 23
- minute: an integer ranging from 0 to 59
NOTE: Different address pools can have different
IP address leases, but addresses in one pool have the same lease.
|
Forbidden IP
|
Indicates the IP address that will not be dynamically allocated
to users.
Some IP addresses are allocated to applications such
as the DNS server and cannot be allocated to users. You can specify
these IP addresses as forbidden IP addresses.
|
Configure DNS for the
Address Pool
|
Client Domain Name
|
Indicates the domain name allocated by the DHCP
server to the client.
|
DNS Server IP
|
Indicates the IP address of a DNS server. You can configure
a maximum of eight DNS server addresses.
|
Configure NetBIOS for
the Address Pool
|
NetBIOS Node Type
|
Indicates the type of a NetBIOS node. The options
are: - unspecified
The NetBIOS node type is not specified.
- b-node
The NetBIOS node obtains the mapping between the host
name and IP address in broadcast mode. b represents broadcast.
- p-node
The NetBIOS node obtains the mapping between the host
name and IP address by communicating with the NetBIOS server. p represents
peer to peer.
- m-node
The NetBIOS node is a p-type node with some broadcast
features. m represents mixed.
- h-node
The NetBIOS node is a b-type node using the peer-to-peer
communication mechanism. h represents hybrid.
The default value is unspecified.
|
NetBIOS Server IP
|
Indicates the IP address of a NetBIOS server. You can configure
a maximum of eight NetBIOS server addresses.
|
- Set the parameters.
- Click OK.
- Modify VLANIF Address Pool
- Choose in the navigation tree to open the Configure VLANIF Interface Address Pool page.
- Click
to open the Modify VLANIF Address Pool page .
NOTE: - Table 1 describes the parameters on the Modify VLANIF Address Pool page.
- The name, IP address, subnet mask of the selected VLANIF interface
cannot be modified.
- Set the parameters.
- Click OK.
- Delete a VLANIF Address Pool
- Choose in the navigation tree to open the Configure VLANIF Interface Address Pool page.
- Select a record that you want to delete and click Delete. The system asks you whether to delete the record.
- Click OK.
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