https://community.cisco.com/t5/wireless/same-or-diffrent-vlans/m-p/3834816#M205238 thanks! for your support <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span> Tue, 09 Apr 2019 09:48:34 GMT Amit Sangwan 2019-04-09T09:48:34Z https://community.cisco.com/t5/wireless/same-or-diffrent-vlans/m-p/3834744#M205236 <P>i have 9 AP's AP1850-K9-C, in 7 Ap image version is AIR-AP1850-K9-8-5-131-0 and in rest 2 AP's have AIR-AP1850-K9-8-5-135-0. now my questions is this can i use all 9 ap's in same VLAN or i have to use two different VLAN for this?</P> Mon, 05 Jul 2021 17:13:29 GMT https://community.cisco.com/t5/wireless/same-or-diffrent-vlans/m-p/3834744#M205236 Amit Sangwan 2021-07-05T17:13:29Z https://community.cisco.com/t5/wireless/same-or-diffrent-vlans/m-p/3834813#M205237 If you don't want to upgrade the software, you can't use them in the same Mobility Express (ME) network, meaning you have to use two VLANs and have to twice configure them. Roaming will then also not work correctly.<BR />I suggest you upgrade the software on all of them to 8.5.140.0 and create one ME network. Tue, 09 Apr 2019 09:41:33 GMT https://community.cisco.com/t5/wireless/same-or-diffrent-vlans/m-p/3834813#M205237 patoberli 2019-04-09T09:41:33Z https://community.cisco.com/t5/wireless/same-or-diffrent-vlans/m-p/3834816#M205238 thanks! for your support <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span> Tue, 09 Apr 2019 09:48:34 GMT https://community.cisco.com/t5/wireless/same-or-diffrent-vlans/m-p/3834816#M205238 Amit Sangwan 2019-04-09T09:48:34Z