How to Configure the Constant Interface Index Feature on Huawei S2700?

Questions:
How to configure the Constant Huawei MDU  Interface Index Feature on Huawei Quidway S2700?

Answer:
Procedure
Run:system-view,The system view is displayed.
Run:ifindex constant,The constant interface index feature is enabled.After the feature is enabled, the indexes for all the existing interfaces and newly created interfaces are fixed. If the system needs to restart, the save command must be run to save interface configurations; otherwise, the interface indexes will change after the system is restarted.
Run:set constant-ifindex max-number number,The maximum number of interfaces indexed by fixed numbers is set.
If interfaces are frequently added or deleted during system operation, the interface index file stored in the device may have a great size and consume too many system resources. Setting the maximum number of interfaces indexed by fixed numbers can prevent the interface index file from exceeding an expected size.
After the maximum number of interfaces indexed by fixed numbers is set, the system will allocate fixed indexes to interfaces within the specified value range. If the specified value is smaller than the number of interfaces configured on the device, the system allocates fixed interface indexes to the interfaces enabled earlier. The interfaces enabled later are not indexed by fixed numbers.
By default, a maximum of 131070 interfaces can be indexed by fixed numbers. If the value is set to 0, no interfaces will be indexed by fixed numbers.
Run:set constant-ifindex subinterface { dense-mode | sparse-mode },The memory distribution mode for the sub-interface index is set.
When a sub-interface is created, the system generates an index image file for the sub-interface in the memory in a specified mode. You may use various sub-interface numbering modes, such as the continuous mode or the discontinuous mode. In real-world situations, one of the following distribution modes can be used as needed:
Sparse mode: applies to discontinuous sub-interface numbering.
Dense mode: applies to continuous sub-interface numbering.

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How to Configure the Static DNS Service on a DHCP Client on Huawei S2700?

Questions:
How to configure the Static Huawei Access DNS Service on a DHCP Client on Huawei Quidway S2700?

Answer:
Procedure
Run:system-view,The system view is displayed.
Run:ip pool ip-pool-name,The IP address pool view is displayed.
Run:domain-name domain-name,The domain name to be allocated to a DHCP client is configured.On the DHCP server, you can specify a domain name for each address pool.
Run:dns-list ip-address &<1-8>,The IP address of the DNS server is configured for a DHCP client.To load balance the traffic and improve network reliability, configure multiple DNS servers. Each address pool can be configured with a maximum of eight DNS server IP addresses.

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How to Configure the Constant Interface Index Feature on Huawei S2700?

Questions:
How to configure the Constant Huawei OLT Interface Index Feature on Huawei Quidway S2700?

Answer:
Procedure
Run:system-view,The system view is displayed.
Run:ifindex constant,The constant interface index feature is enabled.After the feature is enabled, the indexes for all the existing interfaces and newly created interfaces are fixed. If the system needs to restart, the save command must be run to save interface configurations; otherwise, the interface indexes will change after the system is restarted.
Run:set constant-ifindex max-number number,The maximum number of interfaces indexed by fixed numbers is set.

If interfaces are frequently added or deleted during system operation, the interface index file stored in the device may have a great size and consume too many system resources. Setting the maximum number of interfaces indexed by fixed numbers can prevent the interface index file from exceeding an expected size.

After the maximum number of interfaces indexed by fixed numbers is set, the system will allocate fixed indexes to interfaces within the specified value range. If the specified value is smaller than the number of interfaces configured on the device, the system allocates fixed interface indexes to the interfaces enabled earlier. The interfaces enabled later are not indexed by fixed numbers.

By default, a maximum of 131070 interfaces can be indexed by fixed numbers. If the value is set to 0, no interfaces will be indexed by fixed numbers.

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Title: how to Configure Interface Description on Huawei S2700?

Questions:
How to configure Interface Huawei Access Description on Huawei Quidway S2700?

Answer:
Procedure
Run:system-view,The system view is displayed.
Run:interface interface-type interface-number,The interface view is displayed.
Run:description description,The description is configured for the interface.By default, an interface has no description.
 
NOTE:
The interface description is displayed from the first non-space character.

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