diff --git a/test/case/ietf_interfaces/iface_phys_address.py b/test/case/ietf_interfaces/iface_phys_address.py
index 44c6009b..d266b7cd 100755
--- a/test/case/ietf_interfaces/iface_phys_address.py
+++ b/test/case/ietf_interfaces/iface_phys_address.py
@@ -3,7 +3,7 @@
 import copy
 import infamy
 import infamy.iface as iface
-
+from infamy.wait import wait_mac_address
 
 with infamy.Test() as test:
     with test.step("Initialize"):
@@ -37,8 +37,6 @@ with infamy.Test() as test:
                 del i["phys-address"]
                 break
         target.put_diff_dicts("ietf-interfaces", running, new)
-        mac = iface.get_phys_address(target, tport)
-        print(f"Target iface {tport} current mac: {mac}")
-        assert mac == pmac
+        wait_mac_address(target, tport, pmac)
 
     test.succeed()
diff --git a/test/case/ietf_interfaces/vlan_ping.py b/test/case/ietf_interfaces/vlan_ping.py
index ecfa04cb..9a285b66 100755
--- a/test/case/ietf_interfaces/vlan_ping.py
+++ b/test/case/ietf_interfaces/vlan_ping.py
@@ -2,6 +2,7 @@
 
 import infamy
 import copy
+from infamy.wait import wait_links
 def test_ping(hport, should_pass):
       with infamy.IsolatedMacVlan(hport) as ns:
             pingtest = ns.runsh("""
@@ -10,13 +11,11 @@ def test_ping(hport, should_pass):
             ip link set iface up
             ip link add dev vlan10 link iface up type vlan id 10
             ip addr add 10.0.0.1/24 dev vlan10
-
-            ping -c1 -w5 10.0.0.2 || exit 1
             """)
-
-            if (pingtest.returncode and should_pass) or (not pingtest.returncode and not should_pass):
-                print(pingtest.stdout)
-                test.fail()
+            if(should_pass):
+                ns.must_reach("10.0.0.2")
+            else:
+                ns.must_not_reach("10.0.0.2")
 
 with infamy.Test() as test:
     with test.step("Initialize"):
@@ -55,6 +54,9 @@ with infamy.Test() as test:
             }
         })
 
+    with test.step("Waiting for links to come up"):
+        wait_links(target, [tport])
+
     with test.step("Ping 10.0.0.2 from VLAN 10 on host:data with IP 10.0.0.1"):
         _, hport = env.ltop.xlate("host", "data")
         test_ping(hport,True)
diff --git a/test/infamy/iface.py b/test/infamy/iface.py
index bb263d10..130d4ef4 100644
--- a/test/infamy/iface.py
+++ b/test/infamy/iface.py
@@ -46,6 +46,14 @@ def get_phys_address(target, iface):
     """Fetch interface MAC address (operational status)"""
     return _iface_get_param(target, iface, "phys-address")
 
+def is_phys_address(target,iface,addr):
+    """Check if MAC address is a specific value"""
+    return get_phys_address(target,iface) == addr
+
+def get_oper_up(target,iface):
+    state=get_oper_status(target,iface)
+    return state == "up"
+
 def print_iface_status(target):
     """Print status parameters for all target interfaces"""
     try:
diff --git a/test/infamy/netns.py b/test/infamy/netns.py
index 626f10da..acee8eec 100644
--- a/test/infamy/netns.py
+++ b/test/infamy/netns.py
@@ -85,8 +85,9 @@ class IsolatedMacVlan:
             ip addr add {addr}/{prefix_length} dev iface
             """, check=True)
 
-    def ping(self, daddr, count=1, timeout=2, check=False):
-        return self.runsh(f"""set -ex; ping -c {count} -w {timeout} {daddr}""", check=check)
+
+    def ping(self, daddr, count=1, timeout=5, interval=2, check=False):
+        return self.runsh(f"""set -ex; ping -c {count} -w {timeout} -i {interval} {daddr}""", check=check)
 
     def must_reach(self, daddr):
         res = self.ping(daddr)
diff --git a/test/infamy/route.py b/test/infamy/route.py
new file mode 100644
index 00000000..051f3e88
--- /dev/null
+++ b/test/infamy/route.py
@@ -0,0 +1,18 @@
+def _get_routes(target,protocol):
+    xpath=f"/ietf-routing:routing"
+    rib = target.get_data(xpath)["routing"]["ribs"]["rib"]
+    for r in rib:
+        if r["name"] != protocol:
+            continue
+        return r.get("routes", {}).get("route",{})
+
+def _exist_route(target,destination_prefix, protocol):
+    routes=_get_routes(target,protocol)
+    for r in routes:
+        if(r["destination-prefix"] == destination_prefix):
+            return True
+
+    return False
+
+def ipv4_route_exist(target, destination_prefix):
+    return _exist_route(target,destination_prefix, "ipv4")
diff --git a/test/infamy/sniffer.py b/test/infamy/sniffer.py
index 5cdbb92c..dee0fe97 100644
--- a/test/infamy/sniffer.py
+++ b/test/infamy/sniffer.py
@@ -18,7 +18,7 @@ class Sniffer:
         os.unlink(self.pcap.name)
 
     def __enter__(self):
-        cmd = f"tcpdump -lni iface -w {self.pcap.name} {self.expr}"
+        cmd = f"tshark -lni iface -w {self.pcap.name} {self.expr}"
         arg = cmd.split(" ")
         self.proc = self.netns.popen(arg, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
 
@@ -34,8 +34,7 @@ class Sniffer:
             except OSError:
                 pass
         self.proc.wait()
-        return True
 
     def output(self):
         """Return PCAP output"""
-        return self.netns.runsh(f"tcpdump -n -r {self.pcap.name}")
+        return self.netns.runsh(f"tshark -n -r {self.pcap.name}")
diff --git a/test/infamy/wait.py b/test/infamy/wait.py
new file mode 100644
index 00000000..5d246078
--- /dev/null
+++ b/test/infamy/wait.py
@@ -0,0 +1,26 @@
+import time
+import infamy.iface
+def wait(func, *args):
+    timeout = 10
+    while(timeout>0):
+        if len(args) == 0:
+            f=func()
+        else:
+            f=func(*args)
+
+        if(f):
+            return True
+        timeout-=1
+        time.sleep(1)
+
+    return False
+
+def wait_links(target, ifaces):
+    for i in ifaces:
+        if not wait(infamy.iface.get_oper_up, target, i):
+             raise Exception("Interface did not come up in time.")
+        
+    
+def wait_mac_address(target, iface, mac):
+    if not wait(infamy.iface.is_phys_address, target, iface, mac):
+        raise Exception("Failed waiting for MAC address")