No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search

Reminder

To have a better experience, please upgrade your IE browser.

upgrade

S12700 V200R010C00 Configuration Guide - WLAN-AC

This document describes native AC (hereinafter referred to as WLAN AC) configuration procedures and provides configuration examples.
Rate and give feedback :
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Configuring a DHCP Server

Configuring a DHCP Server

You can configure a DHCP server to assign IP addresses to APs and STAs.

A service DHCP address pool and a management DHCP address pool are used to assign IP addresses to STAs and APs, respectively. The two types of DHCP address pools must be configured separately.

Configuring a DHCP Server

To go online successfully, APs and STAs must obtain IP addresses. You can configure an AC as a DHCP server or use an independent DHCP server to assign IP addresses to APs and STAs.
  • When an enterprise branch has no independent DHCP server, configure an AC as a DHCP server.
  • An independent DHCP server applies to WLANs in medium- to large-sized campuses.
Depending on different devices functioning as a DHCP server, the configuration is as follows:
  • For details about how to configure an AC as a DHCP server, see Configuring a DHCP Server in Configuration Guide - IP Service.

  • For details about how to configure an independent DHCP server, see related product configuration manuals.

When the AC and APs are on the same network segment, the APs can discover the AC in broadcast mode. You do not need to configure Option 43 or DNS. If either of the two methods is configured to notify the APs of the AC's IP address, the APs will preferentially send unicast Discovery Request packets to this IP address. If the APs do not receive any Discovery Response packet after sending the unicast packets 10 consecutive times, the APs broadcast packets on the local network segment to discover an AC.

If the AC and APs are on different network segments, you must configure Option 43 or DNS to specify the AC's CAPWAP source IP address for the APs. Otherwise, the APs cannot discover the AC and go online successfully.

Configuring Option 43

  • If an AC functions as a DHCP server to assign IP addresses to APs, perform the following operations:
    1. Run the system-view command to enter the system view.
    2. Run the ip pool ip-pool-name command to create a global address pool and enter its view.
    3. Run any of the following commands to configure the option 43 field.
      • option 43 hex hex-string
      • option 43 sub-option 3 ascii ascii-string
      • option 43 sub-option 2 ip-address ip-address &<1-8>
      • option 43 sub-option 1 hex hex-string
    NOTE:
    Run any of the following commands to configure the option 43 field. If multiple commands are executed on an AP in V200R006, only the last command takes effect. If multiple commands are executed on an AP in V200R007C10 or a later version, all the commands take effect.
    • option 43 sub-option 3 ascii ascii-string
    • option 43 sub-option 2 ip-address ip-address &<1-8>
    • option 43 sub-option 1 hex hex-string
  • If an independent DHCP server is used to assign IP addresses to APs, you must configure option 43. Otherwise, the APs cannot discover the AC and go online successfully. For details about the configuration, see related product configuration manuals.

Configuring DNS

NOTE:
In this mode, you need to configure the domain name and address of the AC on the DNS server.
  • If an AC functions as a DHCP server to assign IP addresses to APs, perform the following operations:
    1. Run the system-view command to enter the system view.
    2. Run the ip pool ip-pool-name command to create a global address pool and enter its view.
    3. Run the gateway-list ip-address &<1-8> command to configure a gateway address for DHCP clients.
    4. Run the network ip-address [ mask { mask | mask-length } ] command to set a network segment of the global address pool.
    5. Run the dns-list ip-address &<1-8> command to configure a DNS server address for DHCP clients.
    6. Run the domain-name domain-name to configure a domain name suffix for APs. After obtaining the suffix, the APs concatenate the suffix and huawei-wlan-controller into a fully qualified domain name (FQDN). The APs then use this FQDN to request the AC's IP address from the DNS server.
  • If an independent DHCP server is used to assign IP addresses to APs, you must configure the domain name suffix for APs. Otherwise, the APs cannot discover the AC and go online successfully. For details about how to configure an independent DHCP server, see related product configuration manuals.
Translation
Download
Updated: 2019-04-20

Document ID: EDOC1000142094

Views: 120769

Downloads: 119

Average rating:
This Document Applies to these Products
Related Documents
Related Version
Share
Previous Next