[O & M engineer _ 13] the LDAP server cannot log in to discuss the problem analysis ideas.

[O & M personnel in transit _ 13] By the LDAP server can not log on to talk about the analysis of the ideas of the problem [O & M personnel in transit _ 12] Spotlight on Unix O & M to add a few fragrance http://www.bkjia.com/ OS /201304/204078.html today monitoring fault reporting, some machines in a certain LDAP data center cannot log on to the past. Let's take a look at the path: (I) locate the problem and determine the scope of the problem. LDAP cannot log on. Local Accounts can log on, indicating that ssh authentication itself is OK, it should be because the LDAP server is connected to strace id xx. It is true that the connection to the LDAP server is wrong. telnet the LDAP server port cannot be connected to some normal servers in the same data center. OK (2) from the perspective of change, the problem description is irrelevant to the server, recently, no servers (Unlogged on) related to the network and the network of the local data center (3) Horizontal ratio, vertical ratio, and what are the commonalities of multiple machines in the same data center, it should be that the public-level east-west switch has not been modified/the problem should be that there is a problem with the LDAP server's telecom operation line, so it is no value to check Linux again, so let the network engineers contact the IDC