Wired Intelligent Edge

 View Only

  • 1.  6300m IP issue (10.05.0011)

    Posted Nov 13, 2020 07:23 AM
    Hi,

    One of our 6300m switches wasn't able to resolve DNS and therefore unable to connect to Central. I checked the central logs on the switch (show debug buffer module central reverse lines 10) and could see that the switch was unable to resolve the Central DNS name. What was strange was that the source IP of the DNS request was not the switch IP address!

    I checked and double checked but couldn't see this source IP in the config anywhere.

    Ran start-shell > ifconfig and can clearly see this IP assigned.



    I suspect a reboot might help. I'm thinking perhaps the dhcp was enabled on the interface initially then disabled but the OS hasn't got the message.

    Ideas how to fix without rebooting would be great!





    ------------------------------
    Cheers
    James
    ------------------------------


  • 2.  RE: 6300m IP issue (10.05.0011)

    Posted Nov 13, 2020 07:59 AM
    Edited by SR-9189c6 Nov 13, 2020 07:58 AM

    You have several options:
    -Connect the management interface (ip dhcp is turned on) and get ip and dns from connected router
    -Add dns and a default route:

    ip route 0.0.0.0/0 %gateway_ip%
    ip dns server-address %dns ip%





  • 3.  RE: 6300m IP issue (10.05.0011)

    Posted Nov 13, 2020 08:52 AM
    TAC had a look and recommended rebooting the switch.

    I ended up setting the VLAN 1 IP via ifconfig in the OS so that it matched the config. Going to upgrade firmware and reboot later today so hopefully that's the ned of that little gremlin.

    ------------------------------
    James Whitehead
    ------------------------------

    Original Message


  • 4.  RE: 6300m IP issue (10.05.0011)

    Posted Nov 14, 2020 08:22 AM
    Check the DNS config of the switch

    ------------------------------
    PowerArubaSW : Powershell Module to use Aruba Switch API for Vlan, VlanPorts, LACP, LLDP...

    PowerArubaCP: Powershell Module to use ClearPass API (create NAD, Guest...)

    PowerArubaCX: Powershell Module to use ArubaCX API (get interface/vlan/ports info)..

    ACEP / ACMX #107 / ACDX #1281
    ------------------------------

    Original Message


Related Content