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Some clients not connecting

Hi All

I have just deployed a wireless network that seemed to work for me when testing, however it has come about that some clients seem to connect and get net access, others dont. There arent any rules to say some should and some shouldnt. 
So far it seems as though the correct pass is used, computers report connected but no access. 

Where can I find logs about attempted connections etc for wireless?

 

Cheers



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  • Hi  

    The clients who are not able to access the Internet, are able to get DHCP IP? You can use packet capture utility to capture traffic - https://community.sophos.com/kb/en-us/123189

  • Hi Keyur

    The clients are not able to get DHCP. I did a capture and found that it was blocked.

    Time In interface Out Ethernet type Src IP Destination IP Packet type Ports [src,dst] Rule ID Status Reason
    2020-04-30 21:58:48 [WifiName] IPv4 0.0.0.0 255.255.255.255 UDP 68,67 0 Incoming
    2020-04-30 21:58:39 [WifiName] IPv4 0.0.0.0 255.255.255.255 UDP 68,67 0 Violation Local_ACL

    There is an XG with built in wireless and 2x APX120. The clients connected to the APX120's do not have any issues, the clients connecting to localwifi0/XGw get blocked.
    At first I thought it was clients on the APXs but in fact they are fine!

     

     

    Strangely, there is another site with very similar config and this isnt an issue (but roaming between localwifi0 and APX is)

  • Hi  

    Could you please try to capture tcpdump on port 67 and 68, please log in to devise console and execute console>tcpdump 'port 67 or 68 -E and check if you are getting MAC address of the devices requesting for DHCP. for Advanced Shell - tcpdump -nei any port 67 or 68

  • Havent had a chance to log in for tcpdump, but in the packet capture it was listing the correct MAC on those entries above.

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