Two-way MySQL replication not working?

I have used this tutorial to setup two way replication:
http://www.neocodesoftware.com/replication/

The problem is, if I shut down server 1, then make a change on server 2, and then restart server 1, the changes on 2 do not replicate to 1.

however, If I shut down server 2, and make a change to server 1, then restart server 2, the changes made on server 1 are propogated to server 2.

So it is working but only server 1->server 2, and not the other way around.

Here are the configs (below). How do I troubleshoot this?

my.cnf at Master1

server-id        = 1
auto-increment-increment = 10
auto-increment-offset = 1
replicate-same-server-id = 0
log-bin          = /var/lib/mysql/mysql-bin
relay-log        = /var/lib/mysql/mysql-relay
relay-log-index  = /var/lib/mysql/mysql-relay.index
expire_logs_days = 10
max_binlog_size  = 100M
binlog_format    = 'MIXED'

my.cnf at Master2

server-id               = 2
replicate-same-server-id = 0
auto-increment-increment = 10
auto-increment-offset = 2
#expire_logs_days       = 10
#max_binlog_size         = 100M
log-bin          = /var/log/mysql/mysql-bin
#relay-log        = /var/log/mysql/mysql-relay-bin
#relay-log-index  = /var/log/mysql/mysql-relay.index
expire_logs_days = 10
max_binlog_size  = 100M
binlog_format    = 'MIXED'



mysql> stop slave;
mysql> CHANGE MASTER TO MASTER_HOST='192.30.164.115', MASTER_USER='repl', MASTER_PASSWORD='60NmzdnsLBUBLnu44MSq';
mysql> start slave;




mysql>  SHOW SLAVE STATUS\G;
*************************** 1. row ***************************
               Slave_IO_State: Waiting for master to send event
                  Master_Host: 192.30.164.115
                  Master_User: repl
                  Master_Port: 3306
                Connect_Retry: 60
              Master_Log_File: mysql-bin.000030
          Read_Master_Log_Pos: 1027
               Relay_Log_File: mysqld-relay-bin.000020
                Relay_Log_Pos: 1173
        Relay_Master_Log_File: mysql-bin.000030
             Slave_IO_Running: Yes
            Slave_SQL_Running: Yes
              Replicate_Do_DB:
          Replicate_Ignore_DB:
           Replicate_Do_Table:
       Replicate_Ignore_Table:
      Replicate_Wild_Do_Table:
  Replicate_Wild_Ignore_Table:
                   Last_Errno: 0
                   Last_Error:
                 Skip_Counter: 0
          Exec_Master_Log_Pos: 1027
              Relay_Log_Space: 1476
              Until_Condition: None
               Until_Log_File:
                Until_Log_Pos: 0
           Master_SSL_Allowed: No
           Master_SSL_CA_File:
           Master_SSL_CA_Path:
              Master_SSL_Cert:
            Master_SSL_Cipher:
               Master_SSL_Key:
        Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
                Last_IO_Errno: 0
                Last_IO_Error:
               Last_SQL_Errno: 0
               Last_SQL_Error:
  Replicate_Ignore_Server_Ids:
             Master_Server_Id: 1
1 row in set (0.00 sec)



mysql> show master status;
+------------------+----------+--------------+------------------+
| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000030 |      207 |              |                  |
+------------------+----------+--------------+------------------+

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