Optional) Configuring Dns For Global Address Pool - Huawei S9300 Configuration Manual

S9300&S9300E Terabit Routing Switch
Configuration Guide - IP Service
An address pool can contain only one address segment. The address range of the address pool
is set by the mask, and must be within the network segment where the gateway is located.
Step 4 Run:
lease { day day [ hour hour [ minute minute ] ] | unlimited }
The lease of IP addresses is set.
By default, the IP address lease is one day.
Different address pools on a DHCP server can be set with different IP address leases, but the IP
addresses in one address pool must have the same lease.
Step 5 (Optional) Run:
excluded-ip-address start-ip-address [ end-ip-address ]
The IP addresses that cannot be automatically allocated in the DHCP address pool are configured.
Some IP addresses are reserved for other services, for example, the IP address of the DNS server
cannot be allocated to clients. You can run the excluded-ip-address command to configure the
IP addresses that are not automatically allocated in the DHCP address pool. If you run the
excluded-ip-address command multiple times, you can set multiple IP address ranges that
cannot be automatically allocated in the DHCP address pool.
Step 6 (Optional) Run:
static-bind ip-address ip-address mac-address mac-address
An IP address in the address pool is bound to a MAC address.
When a client requires a fixed IP address, bind an idle IP address in the address pool to the MAC
address of the client.
Step 7 Run:
gateway-list ip-address &<1-8>
The egress gateway is configured for the global address pool.
----End

3.3.4 (Optional) Configuring DNS for Global Address Pool

Each client has a domain name. To enable DHCP clients to communicate by using their domain
names and prevent IP address conflicts, the DHCP server needs to specify domain names for
these clients when allocating IP addresses to them.
Context
On the DHCP server, the domain-name command specifies a domain name for each global
address pool. When allocating IP addresses to clients, the DHCP server also sends the domain
names to the clients. During domain name resolution, users only need to enter a part of the
domain name, and then the system uses a complete domain name for resolution.
Issue 01 (2012-03-15)
NOTE
To load balance the traffic and improve the reliability of the network, you can configure multiple egress
gateways. An IP address pool can be configured with up to eight gateway addresses. The gateway address
cannot be a broadcast address of a subnet.
When configuring an egress gateway address for the address pool on a DHCP server, ensure that this egress
gateway address is the same as the egress gateway address of the DHCP relay agent.
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