Ieee 802.1X Configuration Guidelines - Cisco Catalyst 2950 Software Configuration Manual
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- Configuration manual (710 pages) ,
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Configuring IEEE 802.1x Authentication
Table 9-2
Feature
Quiet period
Retransmission time
Maximum retransmission number
Host mode
Guest VLAN
Client timeout period
Authentication server timeout period
IEEE 802.1x Configuration Guidelines
These are the IEEE 802.1x authentication configuration guidelines:
•
•
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
9-12
Default IEEE 802.1x Configuration (continued)
When IEEE 802.1x is enabled, ports are authenticated before any other Layer 2 features are enabled.
The IEEE 802.1x protocol is supported on Layer 2 static-access ports and voice VLAN ports, but it
is not supported on these port types:
Trunk port—If you try to enable IEEE 802.1x on a trunk port, an error message appears, and
–
IEEE 802.1x is not enabled. If you try to change the mode of an IEEE 802.1x-enabled port to
trunk, the port mode is not changed.
Dynamic ports—A port in dynamic mode can negotiate with its neighbor to become a trunk
–
port. If you try to enable IEEE 802.1x on a dynamic port, an error message appears, and IEEE
802.1x is not enabled. If you try to change the mode of an IEEE 802.1x-enabled port to dynamic,
the port mode is not changed.
Dynamic-access ports—If you try to enable IEEE 802.1x on a dynamic-access (VLAN Query
–
Protocol [VQP]) port, an error message appears, and IEEE 802.1x is not enabled. If you try to
change an IEEE 802.1x-enabled port to dynamic VLAN assignment, an error message appears,
and the VLAN configuration is not changed.
EtherChannel ports—Do not configure a port that is an active or a not-yet-active member of an
–
EtherChannel as an IEEE 802.1x port. If you try to enable IEEE 802.1x on an EtherChannel
port, an error message appears, and IEEE 802.1x is not enabled.
Chapter 9
Configuring IEEE 802.1x Port-Based Authentication
Default Setting
60 seconds (number of seconds that the switch remains in
the quiet state following a failed authentication exchange
with the client).
30 seconds (number of seconds that the switch should
wait for a response to an EAP request/identity frame
from the client before resending the request).
2 times (number of times that the switch will send an
EAP-request/identity frame before restarting the
authentication process).
Single-host mode.
None specified.
30 seconds (when relaying a request from the
authentication server to the client, the amount of time the
switch waits for a response before resending the request
to the client.
30 seconds (when relaying a response from the client to
the authentication server, the amount of time the switch
waits for a reply before resending the response to the
server. This setting is not configurable.)
78-11380-12
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Troubleshooting
