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How to secure uplink ports

Dear community, I have a current challange in securing the uplinks. My D2 is connected to a Uplink B5. The B5 port is configured with a untagged vlan. An attacker may disconnect the D2 and gets full network access because no policy is enforced (Poli...

eaps issues

Hi, Can anyone explain me what is the role of protected vlan in EAPS ring and how it cause a loop when EAPS and STPD both configured in a protected vlan.Any response will be highly appreciated.... Regards, Ajay Raj

ComraDe by • New Contributor III
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Delete hidden firmware from NVRAM on C2

One of our C2s still has a test firmware hidden in NVRAM. Because the firmware does not show up in "dir", I cannot delete it from the CLI. There was a KB article detailing the process of going into the Administrator menu at boot-up and choosing a hid...

Chris7 by • New Contributor
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Dynamic ARP Inspection (with D2)

Hi, I want to configure Dynamic ARP Inspection with a D2 device (Firmware 6.03.11.0004). I configured DHCP Snooping for the Client VLAN (10) with the corresponding trusted and untrusted ports and with "show dhcpsnooping bindings" I see the data. I...

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