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

Questions: 

How to configure the Huawei Access  Constant 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 Automatic Saving of DHCP Data on Huawei S2700?

Questions:
How to configure Automatic Huawei GPON Saving of DHCP Data on Huawei Quidway S2700?

Answer:
Procedure
Run:system-view,The system view is displayed.
Run:dhcp server database enable,The function that saves DHCP data to the Flash memory is enabled.After this command is executed, the system generates the lease.txt and conflict.txt files in the Flash memory. The two files save the address lease information and address conflict information.
Run:dhcp server database write-delay interval
The interval for saving DHCP data is set.
After the device is configured to automatically save DHCP data, the device saves data every 7200 seconds by default and the latest data overwrites the previous data.
Run:dhcp server database recover,The DHCP data in the storage device is restored.After this command is executed, the device restores DHCP data in the Flash memory.
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How to Configure Basic SNMPv1 Functions on Huawei S2700?

Questions:
How to configure Basic Huawei Access SNMPv1 Functions on Huawei Quidway S2700?

Answer:
Procedure
Run:system-view,The system view is displayed.
Run:snmp-agent,The SNMP agent function is enabled.By default, the SNMP agent function is disabled. By executing the snmp-agent command with any parameter enables the SNMP agent function.
Run:snmp-agent sys-info version v1,The SNMP version is set to SNMPv1.By default, SNMPv3 is enabled.After SNMPv1 is enabled, the managed devices support SNMPv1 and SNMPv3 and can be monitored and manged by both SNMPv1 and SNMPv3 NMSs.
Run:snmp-agent community { read | write } { community-name | cipher community-name },The community name is set.The community name will be saved in encrypted format in the configuration file.By default, the complexity check is enabled for a community name. If a community name fails the complexity check, the community name cannot be configured. To disable the complexity check for a community name, run the snmp-agent community complexity-check disable command.

 NOTE:
The default minimum length of a community name is six characters. The set password min-length command determines the minimum length of a community name.
A community name includes at least two kinds of characters, which can be uppercase letters, lowercase letters, digits, and special characters except question marks (?) and spaces.
Ensure that the community name of the NMS is the same as that set on the agent. If the NMS and the agent have different community names, the NMS cannot access the agent.

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How to Configure a DNS Test Instance on Huawei S2700?

Questions:
How to configure a DNS Test Huawei OLT Instance on Huawei Quidway S2700?

Answer:
Procedure
Run:system-view,The system view is displayed.
Run:dns resolve,Dynamic DNS resolution is enabled.By default, dynamic DNS resolution is disabled.
Run:nqa test-instance admin-name test-name,An NQA test instance is created, and the NQA view is displayed.
Run:test-type dns,The test type is set to DNS.
Run:destination-address url urlstring,The name of the destination host is configured.
Run:description string,A description is configured for the test instance.
Run:frequency interval,The test period is set for the NQA test instance.
Run:timeout time,The timeout period of a probe is set for the NQA test instance.By default, the timeout period of a DNS probe is 3 seconds.
Run:records history number,The maximum number of historical records is set for the NQA test instance.
Run:records result number,The maximum number of result records is set for the NQA test instance.
Run:agetime hh:mm:ss,The aging time is set for the NQA test instance.
Run:dns-server ipv4 ip-address,The DNS server address is configured.

NOTE:
The NQA client also functions as the DHCP client. Perform the following steps on the NQA client.

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How to Configure CPU Usage Alarm Threshold on Huawei S5700?

Questions:
How to configure CPU Usage Alarm Threshold on Huawei Quidway S5700?

Answer:
Procedure
Run:display cpu-usage configuration [ slave | slot slot-id ] ,The CPU usage configuration is displayed.
Run:system-view,The system view is displayed.
Run:cpu-usage threshold threshold-value [ restore restore-threshold-value ] [ slot slot-id ],The CPU usage alarm threshold and CPU usage alarm recovery threshold are set.By default, the CPU usage alarm threshold is 95% and the CPU usage alarm recovery threshold is 80%.

NOTE:
The source interface of the MTI must be the interface on which the public network IBGP neighbor relationship is established on the PE; otherwise, VPN multicast packets cannot pass the RPF check.

The MTI address must be the same as that of the interface on which the public network IBGP neighbor relationship is established on the PE; otherwise, VPN multicast packets received on the MTI cannot pass the RPF check.

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How to Configure Source RP Address of the SA Message on Huawei S9300?

Questions:
How to configure Source RP Address of the SA Message on Huawei Quidway S9300?

Answer:
Procedure
Run:system-view,The system view is displayed.
Run:msdp [ vpn-instance vpn-instance-name ],The MSDP view is displayed.
Run:originating-rp interface-type interface-number,The address of the logical RP interface is set as the source RP address for the SA message.

The interface functioning as a logical RP cannot be an actual RP interface. It is recommended that you configure the address of the MSDP peer interface as the logical RP address.

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How to Configure a PIM Neighbor Filtering on Huawei S9300?

Questions:
How to configure PIM Neighbor Filtering on Huawei Quidway S9300?

Answer:
Procedure
Run:system-view,The system view is displayed.
Run:interface interface-type interface-number,The interface view is displayed.
Run:pim neighbor-policy { basic-acl-number | acl-name acl-name },The range of valid neighbor addresses is configured.
Run:pim require-genid,The switch is configured to receive only Hello messages that contain Generation IDs.

NOTE:
If the IP address of a PIM neighbor that has established a neighbor relationship with the switch is not in the configured range of valid neighbor addresses, the switch will no longer receive Hello messages from this PIM neighbor. When the holdtime of Hello messages expires, the neighbor relationship between the PIM device and the switch is terminated.
When configuring an ACL rule for the interface, use the permit parameter to configure the interface to accept only Hello messages with source addresses in a specified range. If no rule is configured in the ACL, the interface discards Hello messages from all source addresses.

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How to Configure IGMP Version on Huawei S9300?

Questions:
How to configure IGMP Version on Huawei Quidway S9300?

Answer:
Procedure
Run:system-view,The system view is displayed.
Run:igmp [ vpn-instance vpn-instance-name ],The IGMP view is displayed.
Run:version { 1 | 2 | 3 },The IGMP version is specified globally.By default, the IGMP version is IGMPv2.
Run:system-view,The system view is displayed.
Run:interface interface-type interface-number,The interface view is displayed.
Run:igmp version { 1 | 2 | 3 },The IGMP version is specified for the interface.

NOTE:
-The Router-Alert option can be configured in the IGMP view or interface view.
-The configuration in the IGMP view is valid globally, whereas the configuration in the interface view is valid only for the specific interface.
-If the Router-Alert option is configured in the interface view and the IGMP view, the configuration in the interface view takes precedence over the configuration in the IGMP view. If the Router-Alert option is not configured on an interface, the interface uses the configuration in the IGMP view.
-If non-default configuration is performed in the IGMP view, the default configuration in the interface view does not take effect.

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How to Configure Fan Working Mode on Huawei S2700?

Questions:
How to configure Fan Working Mode on Huawei Quidway S2700?

Answer:
Procedure
Run:display fan verbose,The fan operating status and working mode are displayed.
Run:system-view,The system view is displayed.
Run:set fan work-mode { quiet | cool },The working mode of manually-controlled fans is configured.By default, manually-controlled fans work in cool mode.
Run:set fan work-mode cool,The working mode of variable-speed fans is configured.By default, variable-speed fans work in auto mode.

NOTE:
-Manually-controlled fans can work in quiet or cool mode.
-Variable-speed fans can work in auto or cool mode.Only several of the S3700 has variable-speed fans.

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