diff --git a/tests/drop_counters/test_drop_counters.py b/tests/drop_counters/test_drop_counters.py
index 39ebaedbade..4eac7f88080 100755
--- a/tests/drop_counters/test_drop_counters.py
+++ b/tests/drop_counters/test_drop_counters.py
@@ -7,13 +7,13 @@
 import pprint
 import random
 import time
-import scapy
 import yaml
 import re
 import os
 import json
 import netaddr
 
+from common.utilities import wait_until
 
 logger = logging.getLogger(__name__)
 
@@ -415,12 +415,11 @@ def str_to_int(value):
 
 def verify_drop_counters(duthost, dut_iface, get_cnt_cli_cmd, column_key):
     """ Verify drop counter incremented on specific interface """
-    drops = get_pkt_drops(duthost, get_cnt_cli_cmd)[dut_iface][column_key]
-    drops = str_to_int(drops)
-
-    if drops != PKT_NUMBER:
+    get_drops = lambda: int(get_pkt_drops(duthost, get_cnt_cli_cmd)[dut_iface][column_key].replace(",", ""))
+    check_drops_on_dut = lambda: PKT_NUMBER == get_drops()
+    if not wait_until(5, 1, check_drops_on_dut):
         fail_msg = "'{}' drop counter was not incremented on iface {}. DUT {} == {}; Sent == {}".format(
-            column_key, dut_iface, column_key, drops, PKT_NUMBER
+            column_key, dut_iface, column_key, get_drops(), PKT_NUMBER
         )
         pytest.fail(fail_msg)
 
@@ -456,7 +455,6 @@ def base_verification(discard_group, pkt, ptfadapter, duthost, ptf_tx_port_id, d
         pytest.fail("Incorrect 'discard_group' specified. Supported values: 'L2' or 'L3'")
 
 
-
 def do_test(discard_group, pkt, ptfadapter, duthost, ptf_tx_port_id, dut_iface, sniff_ports, l2_col_key=RX_DRP, l3_col_key=RX_ERR):
     """
     Execute test - send packet, check that expected discard counters were incremented and packet was dropped
@@ -559,15 +557,17 @@ def test_not_expected_vlan_tag_drop(ptfadapter, duthost, setup, pkt_fields, port
     @summary: Verify that VLAN tagged packet which VLAN ID does not match ingress port VLAN ID is dropped
               and L2 drop counter incremented
     """
+    start_vlan_id = 2
     log_pkt_params(ports_info["dut_iface"], ports_info["dst_mac"], ports_info["src_mac"], pkt_fields["ipv4_dst"], pkt_fields["ipv4_src"])
     max_vlan_id = 1000
     upper_bound = max(setup["vlans"]) if setup["vlans"] else max_vlan_id
-    for interim in range(1, upper_bound):
+    for interim in range(start_vlan_id, upper_bound):
         if interim not in setup["vlans"]:
             vlan_id = interim
             break
     else:
-        pytest.fail("Unable to generate unique not yet existed VLAN ID. Already configured VLANs range {}-{}".format(1, upper_bound))
+        pytest.fail("Unable to generate unique not yet existed VLAN ID. Already configured VLANs range {}-{}".format(start_vlan_id,
+            upper_bound))
 
     pkt = testutils.simple_tcp_packet(
         eth_dst=ports_info["dst_mac"], # DUT port
@@ -768,6 +768,12 @@ def test_ip_link_local(ptfadapter, duthost, setup, tx_dut_ports, pkt_fields, add
             setup["neighbor_sniff_ports"])
 
 
+# Test case is skipped, because SONiC does not have a control to adjust loop-back filter settings.
+# Default SONiC behaviour is to forward the traffic, so loop-back filter does not triggers for IP packets.
+# All router interfaces has attribute "sx_interface_attributes_t.loopback_enable" - enabled.
+# To enable loop-back filter drops - need to disable that attribute when create RIF.
+# To do this can be used SAI attribute SAI_ROUTER_INTERFACE_ATTR_LOOPBACK_PACKET_ACTION, which is not exposed to SONiC
+@pytest.mark.skip(reason="SONiC can't enable loop-back filter feature")
 def test_loopback_filter(ptfadapter, duthost, setup, tx_dut_ports, pkt_fields, ports_info):
     """
     @summary: Verify that packet drops by loopback-filter. Loop-back filter means that route to the host