I got the problem.Please help me. i have s5720 L3 swithes and s5700 l2 switches.I configure L3 switches as Stacking.And configured DHCP server based on interface pool in L3 switch and then i connect l2 switch to L3 switch.One l2 switch work properly and can get DHCP.But other L2 switch cannot get dhcp .Before i configure stacking l3 this l2 switch work properly.after stacking didn't work and didn't get dhcp from L3 switch.
How can i troubleshoot?In L2 switch have default vlan1 only.
