FACT:HP 2810 Switch Series.
SYMPTOM:Procurve maximum vlan 8 reached
CAUSE:The user called about Vlan issue : Type : switch(2810)# sh vlan he got : ProCurve Switch 2810-24G# sh vlan Status and Counters - VLAN Information Maximum VLANs to support : 8 Primary VLAN : DEFAULT_VLAN And want to set more than 8 vlan on his switch. Referring to Quickspecs This switch support 256 vlans : VLAN support and tagging: supports IEEE 802.1Q (4,094 VLAN IDs) and 256 VLANs simultaneously Reference: http://h18000.www1.hp.com/products/quickspecs/12600_div/12600_div.pdf
FIX:configure switch using CLI mode to set X vlans -X is the number of desired Vlans. Procedure is: Connect on Switch CLI , go to global configuration mode (config) and ( We will use X = 64 ): switch (2810) # max-vlans 64 switch (2810) # write memory switch (2810) # reload Issue is resolved now and: Switch (2810) # sh vlan Maximum vlans to support : 64