diff -urNp a/agent/mibgroup/if-mib/ifTable/ifTable_data_access.c b/agent/mibgroup/if-mib/ifTable/ifTable_data_access.c

--- a/agent/mibgroup/if-mib/ifTable/ifTable_data_access.c	2019-07-29 12:58:53.871166649 +0200

+++ b/agent/mibgroup/if-mib/ifTable/ifTable_data_access.c	2019-07-29 13:02:34.718033022 +0200

@@ -352,6 +352,7 @@ _check_interface_entry_for_updates(ifTab

             rowreq_ctx->data.ifAdminStatus = IFADMINSTATUS_DOWN;

             rowreq_ctx->data.ifOperStatus = IFOPERSTATUS_DOWN;

             oper_changed = 1;

+            rowreq_ctx->data.ifLastChange = netsnmp_get_agent_uptime();

         }

         if (rowreq_ctx->known_missing) {

             time_t now = netsnmp_get_agent_uptime();