diff --git a/pmc.c b/pmc.c
index 641b507..36876dc 100644
--- a/pmc.c
+++ b/pmc.c
@@ -91,7 +91,7 @@ struct management_id idtab[] = {
 	{ "PORT_DATA_SET", PORT_DATA_SET, do_get_action },
 	{ "LOG_ANNOUNCE_INTERVAL", LOG_ANNOUNCE_INTERVAL, do_get_action },
 	{ "ANNOUNCE_RECEIPT_TIMEOUT", ANNOUNCE_RECEIPT_TIMEOUT, do_get_action },
-	{ "LOG_SYNC_INTERVAL", LOG_SYNC_INTERVAL, not_supported },
+	{ "LOG_SYNC_INTERVAL", LOG_SYNC_INTERVAL, do_get_action },
 	{ "VERSION_NUMBER", VERSION_NUMBER, not_supported },
 	{ "ENABLE_PORT", ENABLE_PORT, not_supported },
 	{ "DISABLE_PORT", DISABLE_PORT, not_supported },
@@ -405,6 +405,11 @@ static void pmc_show(struct ptp_message *msg, FILE *fp)
 		fprintf(fp, "ANNOUNCE_RECEIPT_TIMEOUT "
 			IFMT "announceReceiptTimeout %hhu", mtd->val);
 		break;
+	case LOG_SYNC_INTERVAL:
+		mtd = (struct management_tlv_datum *) mgt->data;
+		fprintf(fp, "ANNOUNCE_RECEIPT_TIMEOUT "
+			IFMT "logSyncInterval %hhd", mtd->val);
+		break;
 	}
 out:
 	fprintf(fp, "\n");
diff --git a/port.c b/port.c
index 63b5ebd..7699fb7 100644
--- a/port.c
+++ b/port.c
@@ -570,6 +570,12 @@ static int port_management_get_response(struct port *target,
 		datalen = sizeof(*mtd);
 		respond = 1;
 		break;
+	case LOG_SYNC_INTERVAL:
+		mtd = (struct management_tlv_datum *) tlv->data;
+		mtd->val = target->logSyncInterval;
+		datalen = sizeof(*mtd);
+		respond = 1;
+		break;
 	}
 	if (respond) {
 		if (datalen % 2) {