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DHCP snooping
2 Topics
DHCP Snooping Block DNS Packet
Hi, I've just encounter an issue with my GS724TPv2. As soon as I enabled the DHCP Snooping mode, I cant make dns resolving. Trusted Inferfaces are ok, and I retrieve an Ip from my dhcp server (which is the same as my dns server). I can ping, go to web servers (with their ips). If I turn off DHCP snooping mode, it works again (mac address validation didnts seem to have an impact), I can see my computer informations in the dynamic binding configuration screen. I have 3 724tp connected with LACP, i tried with one switch alone, no results I have DHCP snooping/filtering set up on my other switches (GS724T no POE) and I dont have this issue. If anyone has an idea (misconfiguration, bug,...) ? Thanks a lotSolved4.5KViews0likes8CommentsDHCP Snooping missing on M5300-52G3
Hi, I wanted to set up DHCP snooping, DAI, IP Source Guard on our M5300-52G3. But in the 'Security > Control' Panel I can't found other choice that 'Captive Portal' My M5300 version is '11.0.0.31' I tried via SSH too : I checked in the User Manual and the dhcp snooping menu is there Is that Normal ? Are DHCP Snooping, DAI, IP Source Guard unavailable on M5300-52G3 ? Thx for your answersSolved2.9KViews0likes8Comments