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Chapter 18
Configuring the IP Permit List
Ssh permit list disabled.
Snmp permit list disabled.
Permit List
----------------
172.16.0.0
172.20.0.0
172.20.52.0
172.20.52.3
Denied IP Address
-----------------
172.100.101.104
172.187.206.222
Console> (enable)
Enabling the IP Permit List
You can enable either the SNMP permit list, the Telnet permit list, or both lists. If you do not specify a
permit list, both the SNMP and Telnet permit lists are enabled.
Before enabling the IP permit list, make sure that you add the IP address of your workstation or network
Caution
management system to the permit list, especially when configuring through SNMP. Failure to do so
could result in your connection being dropped by the switch that you are configuring. We recommend
that you disable the IP permit list before clearing IP permit entries or host addresses.
To enable the IP permit list on the switch, perform this task in privileged mode:
Task
Step 1
Enable the IP permit list.
Step 2
If desired, enable the IP permit trap to generate traps
for unauthorized access attempts.
Step 3
If desired, configure the logging level to see syslog
messages for unauthorized access attempts.
Step 4
Verify the IP permit list configuration.
This example shows how to enable the IP permit list and verify the configuration:
Console> (enable) set ip permit enable
Telnet, Snmp and Ssh permit list enabled
Console> (enable) set snmp trap enable ippermit
SNMP IP Permit traps enabled.
Console> (enable) set logging level ip 4 default
System logging facility <ip> set to severity 4(warnings)
Console> (enable) show ip permit
Telnet permit list enabled.
Ssh permit list enabled.
Snmp permit list enabled.
Permit List
----------------
172.16.0.0
172.20.0.0
172.20.52.0
172.20.52.3
78-15486-01
Mask
----------------
255.255.0.0
255.255.0.0
255.255.255.224
Last Accessed Time Type
------------------ ------
01/20/97,07:45:20
01/21/97,14:23:05
Mask
----------------
255.255.0.0
255.255.0.0
255.255.255.224
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide
Configuring the IP Permit List on the Switch
Access-Type
-------------
telnet
snmp
ssh
telnet ssh snm
Telnet Count
------------
SNMP
14
Telnet
7
Command
set ip permit enable [ssh | snmp | telnet]
set snmp trap enable ippermit
set logging level ip 4 default
show ip permit
show snmp
Access-Type
-------------
telnet
snmp
ssh
telnet ssh snmp
SNMP Count
----------
1430
236
—
Release 8.1
18-3
- Quick Links:
- Configuration Guide
- Catalyst 2980G Switch
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