ExtremeSwitching (EXOS)

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  • 1.  Traffic blocked suddenly

    Posted 01-20-2022 09:55
    I'm doing a fresh installation and I suddenly lost connection to ESXi server behind X620 stack.

    I've done basic configuration only, configured stacking, enabled elrp, created VLANs, added a default route and enabled L3 based sharing for the ESXi ports. On the ESXi side it's set to "route based on IP hash". It was working for a few days without issues but now I lost access to the ESXi server from the other side of the X620 stack.

    I could ping the X620 from the ESXi host, but not the default gateway. From X620 I could ping both the ESXi host and gateway. I didn't see anything related in the switch events so I just rebooted the stack and it started working again.

    What could have caused the blocking? Perhaps there was some event that made the switch to block traffic to/from that sharing group? I'm still running version 22.6.1.4 that came out of the box.


  • 2.  RE: Traffic blocked suddenly

    Posted 01-20-2022 10:02
    OK, I might have found the issue. I had the vSwitch configured correctly, but for the port group I still had "route based on originating port ID" and the other uplink wasn't active.