tests: Fixing ipv6 address generation

Signed-off-by: Ashish Pant <ashish12pant@gmail.com>

diff --git a/tests/topotests/lib/common_config.py b/tests/topotests/lib/common_config.py
index 63fcddd836c7a91f7eba915e488fbabb950f5a72..df0b853dc503e72fe037535aab5cb6c6eab48382 100644 (file)
--- a/tests/topotests/lib/common_config.py
+++ b/tests/topotests/lib/common_config.py
@@ -513,7 +513,10 @@ def generate_ips(network, no_of_ips):
         count = 0
         while count < no_of_ips:
             ipaddress_list.append("{}/{}".format(next_ip, mask))
-            next_ip += step
+            if addr_type == "ipv6":
+                next_ip = ipaddr.IPv6Address(int(next_ip) + step)
+            else:
+                next_ip += step
             count += 1
 
     return ipaddress_list