Tag Archives: switch mode

Cisco IOS – “configuration not allowed when device is not the primary server for vlan database.”

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4

KB ID 0001127 

Problem

I was trying to delete a VLAN from a client switch, and this was happening;

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Core-3560#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Core-3560(config)#no vlan 30
VTP VLAN configuration not allowed when device is not the primary server for vlan database.

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Solution

Now as far as I was aware there was only one switch, (certainly on this LAN segment anyway). What you need to do is change the VTP mode to transparent, then you can make your changes. Afterwards I changed the mode back because a. Never assume you know everything, b. They are at the other end of the country, and c. Its never cause a problem before.

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Core-3560-S(config)#vtp mode transparent
Setting device to VTP Transparent mode for VLANS.

NOW I CAN RECONFIGURE VLANS

Core-3560(config)#no vlan 30
Core-3560(config)#vlan 120
Core-3560(config-vlan)#name Voice-VLAN
Core-3560(config-vlan)#exit
Core-3560(config)#no vtp mode transparent
Resetting device to VTP SERVER mode.

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Related Articles, References, Credits, or External Links

NA

Change HP Wireless Access Points from Autonomous to Controlled Mode

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KB ID 0000853 

Problem

I had a client this week who was putting in an MSM730 Wireless controller, and a few MSM460 Access Points. They already had an MSM460 in their meeting room, and I was asked to add that into the new setup on the controller as well.

Out of the box the access points are in controlled mode (look for a controller), if they don’t find one they assume they are in autonomous mode and either setup on 192.168.1.1 or get an address from DHCP (In the DHCP scope you will see the serial number of the AP as the name).

That’s great, but if you have deployed an AP in autonomous mode how do you change it back?

Solution

1. The Controller itself can still see the Access point(s) it puts them in the Autonomous APs section. You can also find the IP address the AP is using here as well.

2. Connect directly to the APs web console and log on (the default username and password is admin and admin).

Note: If you have forgotten the username and password you will need to hit the reset button on the back of the AP until the lights flash three times.

3. Navigate to Maintenance > System > Switch to Controlled Mode

Warning: This drops all the settings on this AP if you need them documents them first.

Related Articles, References, Credits, or External Links

Manually Configuring HP Wireless (MSM 720 controller) for Public and Private Wireless Networks