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When replace the broken AP by a new AP with version of V200R006C10SPC900, the new AP status is always fault.

Publication Date:  2016-11-09 Views:  259 Downloads:  0
Issue Description

The AC6605 work with the V200R006C10SPC200 and AP5130 with version V200R006C10SPC900. Because of the PVID of access switch is used for other access business. So configure the “management-vlan” under the ap-system-profile and “vlan pvid” under wired-port-profile.
There are one AP was broken, so we replace this broken AP by a new AP, and used the “ap modify ap-id mac ap-mac” to change it. But the new AP with version of V200R006C10SPC900 can’t work. The status of AP is always fault on AC6605.





Handling Process

1: Log in the access switch, shutdown the interface connecting the AP and up again. Let AP reboot. Check the status of AP on AC6605, it’s still fault.

2: Access the AP, check the ip address of AP
<0066-EN-018-ARCA_CARNES>dis system-information
System Information
===============================================
Serial Number            : 210235856110E8000621
System Time              : 2005-07-27 11:02:43
System Up time           : 13sec
System Name              : 0066-EN-018-ARCA_CARNES
Country Code             : US
MAC Address              : 34:00:a3:d4:fc:e0
Radio 0 MAC Address      : 34:00:a3:d4:fc:e0
Radio 1 MAC Address      : 34:00:a3:d4:fc:f0
IP Address               : 169.254.1.1
Subnet Mask              : 255.255.0.0
Default Gateway          : 0.0.0.0
IPv6 IP Address          :
IPv6 Default Gateway     :
Management VLAN ID(AP)   : 90
IP MODE                  : dhcp
Slot Status              : Dual band(802.11b/g/n;802.11a/n/ac)
AP Type                  : AP5130DN
Board Type               : AP5130DN
Board Serial Number      : 022FPK10E7000489
Board Bom Version        : 0
Boot Rom Version         : 316
Software Version         : V200R006C10SPC900
Hardware Version         : H85D2TT1D300 VER.A
Telnet Access            : Enable        
User Name                : admin         
LED Switch               : ON            
===============================================
The IP address is default, so it means the AP didn’t get the IP address from DHCP server.

3: Check the DHCP server
The DHCP server didn’t receive the DHCP request.
4: Reset the factory-configuration of AP
After reset the factory-configuration, the AP will reboot, when it work, check the ip address:
<Huawei>dis system-information
System Information
===============================================
Serial Number            : 210235856110E8000621
System Time              : 2005-07-27 11:03:40
System Up time           : 1min 8sec
System Name              : Huawei
Country Code             : US
MAC Address              : 34:00:a3:d4:fc:e0
Radio 0 MAC Address      : 34:00:a3:d4:fc:e0
Radio 1 MAC Address      : 34:00:a3:d4:fc:f0
IP Address               : 10.123.195.115
Subnet Mask              : 255.255.255.0
Default Gateway          : 0.0.0.0
IPv6 IP Address          :
IPv6 Default Gateway     :
Management VLAN ID(AP)   :
IP MODE                  : dhcp
Slot Status              : Dual band(802.11b/g/n;802.11a/n/ac)
AP Type                  : AP5130DN
Board Type               : AP5130DN
Board Serial Number      : 022FPK10E7000489
Board Bom Version        : 0
Boot Rom Version         : 316
Software Version         : V200R006C10SPC900
Hardware Version         : H85D2TT1D300 VER.A
Telnet Access            : Disable       
User Name                : admin         
LED Switch               : ON            
The AP get the IP address from DHCP server.  But others is default.
Check the status on AC6605, it still fault.
But after about 10 seconds, the AP reboot again, because AC send some configuration to AP.
After AP work again, check the IP address of AP, it become the same with before, AP can’t get the IP address form DHCP server. But there are some configuration about management on AP, it means AC6605 have send some configuration to AP.
<0066-EN-018-ARCA_CARNES>dis system-information
System Information
===============================================
Serial Number            : 210235856110E8000621
System Time              : 2005-07-27 11:03:05
System Up time           : 29sec
System Name              : 0066-EN-018-ARCA_CARNES
Country Code             : US
MAC Address              : 34:00:a3:d4:fc:e0
Radio 0 MAC Address      : 34:00:a3:d4:fc:e0
Radio 1 MAC Address      : 34:00:a3:d4:fc:f0
IP Address               : 169.254.1.1
Subnet Mask              : 255.255.0.0
Default Gateway          : 0.0.0.0
IPv6 IP Address          :
IPv6 Default Gateway     :
Management VLAN ID(AP)   : 90
IP MODE                  : dhcp
Slot Status              : Dual band(802.11b/g/n;802.11a/n/ac)
AP Type                  : AP5130DN
Board Type               : AP5130DN
Board Serial Number      : 022FPK10E7000489
Board Bom Version        : 0
Boot Rom Version         : 316
Software Version         : V200R006C10SPC900
Hardware Version         : H85D2TT1D300 VER.A
Telnet Access            : Enable        
User Name                : admin         
LED Switch               : ON            
===============================================
5: Delete this AP configuration on AC6605.
       undo a pap-id ***
    reset the factory-configuration of AP, then add the AP configuration on AC6605.
6: AP will reboot two times, first one is rollback the factory configuration, second one is get the configuration from AC6605 and reboot.
7: AP will online successfully, the status is normal on AC6605.

Root Cause
For the AC6605 version of V200R006C10SPC200, and you configure the “vlan pvid” under the wired-port-profile. When you use the “ ap modify” command, the AC6605 will not sent the pvid configuration to the AP, it means the AP will not get the PVID information and add it to its flash memory, so AP will keep the default pvid. So that the access switch will not allow the packet to pass or the DHCP server will not get the DHCP request from AP.
Solution
For the AC6605 version of V200R006C10SPC200, and you configure the “vlan pvid” under the wired-port-profile. When you want to replace the AP, you should not use the “ap modify”. You must delete the broken AP configuration and add new AP again.

END