+
+ @staticmethod
+ def stop_vpp_service(node):
+ """Stop VPP service on the specified node.
+
+ :param node: VPP node.
+ :type node: dict
+ :raises RuntimeError: If VPP fails to stop.
+ """
+
+ ssh = SSH()
+ ssh.connect(node)
+ cmd = "service vpp stop"
+ ret_code, _, _ = ssh.exec_command_sudo(cmd, timeout=80)
+ if int(ret_code) != 0:
+ raise RuntimeError("VPP service did not shut down gracefully.")
+
+ @staticmethod
+ def start_vpp_service(node):
+ """start VPP service on the specified node.
+
+ :param node: VPP node.
+ :type node: dict
+ :raises RuntimeError: If VPP fails to start.
+ """
+
+ ssh = SSH()
+ ssh.connect(node)
+ cmd = "service vpp start"
+ ret_code, _, _ = ssh.exec_command_sudo(cmd)
+ if int(ret_code) != 0:
+ raise RuntimeError("VPP service did not start.")