mysql connection error

[zafar rizvi]

hi
I am running one centralized mysql server, its runnig fine and conneded with
localhost and his own ip very fine.
But when i want to connect him from remote system or other lan system
it give me errror like that.

[root@TestMail1 root]# mysql -h 192.168.0.63 mysql
ERROR 2013: Lost connection to MySQL server during query

Anybody has idea what's wrong and where is ?
I get no answer  from searching on google with that error.

Waiting for reply
ThAnks

ZaFAr