4d316111_ing_Kerberos__Support____Cisco_Table_1_Kerberos_Terminology_Definition
[Term] SRVTAB [Definition] 
A password that a network service shares with the KDC. The network service authenticates an encrypted service credential by using the SRVTAB (also known as a KEYTAB) to decrypt it.
User Security Configuration Guide, Cisco IOS XE Release 3S - Configuring Kerberos [Support] - Cisco