I have a 25 4550-48T switches which where working on 5.0 release.I upgrade it to 5.4.3 and the setup boxes dont get an ip address.I degrade it to 5.3 and it is working fine.IGMP snooping is enabled on all switches.I dont find anything in the release notes.
Check the DHCP snooping and DHCP relay configuration. Looking at the release notes for v5.4 they have made some changes to their operation. Its possible these changes are causing your problems.
Ya i think so..the TV stream freezes in between when 5.4 is put..DHCP snooping has been enabled..and there is no DHCP relay all the setup boxes and server is in the same VLAN.
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