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Ask questions and share experiences about EX and QFX portfolios and all switching solutions across your data center, campus, and branch locations.

If you have a question or a use case, there are likely others experiencing or who worked through the same thing. Don't hesitate to jump in and ask or share your knowledge!

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  • What a nightmare scenario. I would try to boot the non working device from a USB and do a format install of the internal drive. To get a bootable USB have a working EX in fully normal single switch no VC mode. Then run a snapshot to a USB drive. Then ...

  • When configuring the bandwidth level in storm control: set forwarding-options storm-control-profiles sc-profile all bandwidth-level 15000 ​ What do we base the kbps portion off of? Is that going to be PPS for all streams? Is it for the available ...

  • Thank you for clarifying that. I spent 3 full days on this one I read that the native cisco vlan 1 needed to be untagged and hence the cisco mgmt vlan needs to be native and included as a member of the uplink [EX] Native VLAN ID and tagged behavior ...

  • You can test the physical port by using a fiber loop from the transmit to receive on the optic then running some loopback tests per this document. If the test work then the local port in/out is working correctly and the issue is with the pair link communication ...

  • Hello, No LAG or any bonding just 10G port. No, the traffic is not delivered by another route. It was working fine for a long time and suddenly it's unidirectional. Tried shutting down another port to verify this but it's only one-way inbound. Chassis ...

  • Are we talking about a LAG here (bond, etherchannel, portchannel, whatever)? Can it be the traffic is deliverd via another route (L2 or L3)?

  • Hello, There is a weird issue with one of our switch 10G links. The traffic which was 1:1 bidirectional suddenly become unidirectional. Traffic was around 3G In and out but now it is only inbound 3G. Tried to bounce the port but does not help. In ...

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