The following example shows that an SNMP trap is set. The trap notification is generated automatically when
the SSH session terminates. In the example, a.b.c.d is the IP address of the SSH client.
snmp-server
snmp-server host a.b.c.d public tty
The following is sample output from the debug snmp packet command. The output provides SNMP trap
information for an SSH session.
Switch# debug snmp packet
SNMP packet debugging is on
Device1# ssh -l lab 10.0.0.2
Password:
Switch# exit
[Connection to 10.0.0.2 closed by foreign host]
Device1#
*Jul 18 10:18:42.619: SNMP: Queuing packet to 10.0.0.2
*Jul 18 10:18:42.619: SNMP: V1 Trap, ent cisco, addr 10.0.0.1, gentrap 6, spectrap 1
local.9.3.1.1.2.1 = 6
tcpConnEntry.1.10.0.0.1.22.10.0.0.2.55246 = 4
ltcpConnEntry.5.10.0.0.1.22.10.0.0.2.55246 = 1015
ltcpConnEntry.1.10.0.0.1.22.10.0.0.2.55246 = 1056
ltcpConnEntry.2.10.0.0.1.22.10.0.0.2.55246 = 1392
local.9.2.1.18.2 = lab
*Jul 18 10:18:42.879: SNMP: Packet sent via UDP to 10.0.0.2
Switch#
SSH Keyboard Interactive Authentication
The SSH Keyboard Interactive Authentication feature, also known as Generic Message Authentication for
SSH, is a method that can be used to implement different types of authentication mechanisms. Basically, any
currently supported authentication method that requires only user input can be performed with this feature.
The feature is automatically enabled.
The following methods are supported:
•
Password
•
SecurID and hardware tokens printing a number or a string in response to a challenge sent by the server
•
Pluggable Authentication Module (PAM)
•
S/KEY (and other One-Time-Pads)
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
1092
Information About Secure Shell Version 2 Support
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