About Jack Curtis

Jack Curtis · 03-05-2015

We have a stack of 6 Cisco 3850 switches all running 03.03.04SE and we are having intermittent routing issues with DHCP and fixed address hosts. Hosts with fixed addresses will randomly receive APIPA addresses when they are restarted, overriding the ...

Jack Curtis · 03-09-2015

Ok, running the "clear ip arp (IP address of broken host)" seemed to fix the issue whenever this occurs.

Jack Curtis · 03-06-2015

DHCP snooping was not enabled on the switch but I have enabled this now. I have also configured the data vlan with ip helper-address. I will update if these changes make any difference, thanks for taking time to respond.

Jack Curtis · 03-05-2015

HiThanks for the response.The DHCP server is in the same network as the hosts and is reachable by other hosts on the switches. The same thing happens when attempting to ping any internal or external host however I have only used wireshark captures be...

Member Since	‎03-05-2015 05:50 AM
Date Last Visited	‎08-18-2017 03:51 AM
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Cisco 3850 routing issues

DHCP snooping was not enabled

DHCP snooping was not enabled

HiThanks for the response.The