Following is my switchport configuration which connected to port 1 of the WLAN controller:
switchport trunk encapsulation dot1q
switchport trunk native vlan 900
switchport trunk allowed vlan 900,901
switchport mode trunk
srr-queue bandwidth share 10 20 40 80
srr-queue bandwidth shape 0 0 0 0
no mdix auto
VLAN 900 is for management interface, and vlan 901 is for WLAN. After the configuration, I can connect to the WLAN through the https. In the native vlan 900, I can ping between WLAN controller and vlan 900 routed interface two ways without problem. But for WLAN 901, I can ping WLAN controller from the vlan routed interface. But I can not ping vlan routed interface from the wlan controller:
(Cisco Controller) >ping 10.104.121.137
Send count=3, Receive count=0 from 10.104.121.137
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.104.121.138, timeout is 2 seconds:
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/9 ms
First suggestion would be to make sure your interface for the 901 vlan is set to use port 1 on the controller. Having said that, pinging isn't acutally supported properly to dynamic interfaces on the controller. Actually, the release notes say that pinging to the controller dynamic interfaces from a network device isn't supported, so I'd expect the phenomena to be the other way around. Pinging to the controllers dynamic interfaces is always a bit "iffy". I'd ignore this syptom unless you've got a problem with the WLAN>VLAN901 connectivity from the WLAN clients.
Thank you for the suggestions. My wireless clients do not have connectivity problem from WLAN even the default gateway of dynamic interface is not pingable. I have got confirm from TAC that it is not an issue and I can ignore it.
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