 translate the following code from ruby to python.
        operate("<5>DFS Group下绑定peer ip为对端的vlanif口地址，发送二层流量，查看流量转发正常") {
            @RTB.dfsGroup(@NAME_1).config_dfs_group_source_ip(:vpnName=>@instanceNameA,:ipaddr=>@ip_vlan11,:ipaddr1=>@ip_vlan11_2)
            @RTD.dfsGroup(@NAME_1).config_dfs_group_source_ip(:vpnName=>@instanceNameA,:ipaddr=>@ip_vlan11_2,:ipaddr1=>@ip_vlan11)
            
            CommitDev([@RTB,@RTD])
            wait @NAME_2
            @RTB.lag.check_dsfgroup_node_mclag_brief(:groupid=>1,:nodeid=>1,:mclagid=>'1',:state=>"active(*)-active",:check_times =>300,:interval_times=>1)
            @RTD.lag.check_dsfgroup_node_mclag_brief(:groupid=>1,:nodeid=>1,:mclagid=>'1',:state=>"active-active(*)",:check_times =>300,:interval_times=>1)  
            @RTB.lag.check_dsfgroup_node_mclag_brief(:groupid=>1,:nodeid=>1,:mclagid=>'2',:state=>"active(*)-active",:check_times =>300,:interval_times=>1)
            @RTD.lag.check_dsfgroup_node_mclag_brief(:groupid=>1,:nodeid=>1,:mclagid=>'2',:state=>"active-active(*)",:check_times =>300,:interval_times=>1)  
            assert_multi(5,3,"心跳"){
                rs = @RTB.lag.get_dsf_group_heartbeat(:groupId=>1) 
                rs.raw.include?("OK")
            }
            @set.check_receive_count(:time => 5)
        }
		 Your entire response should be in English, and in all capital letters.
user