Enabling Auto-Detect - Cisco 1941W Configuration Manual
Cisco 3900 series, cisco 2900 series,
cisco 1900 series
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Also See for 1941W:
- Hardware installation manual (102 pages) ,
- Installing and upgrading (24 pages)
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Configuring Backup Interfaces
Command
Step 3
media-type sfp
Example:
Router(config-if)# media-type sfp
Router(config-if)#
Example:
Router(config-if)# media-type rj45
Router(config-if)#
Step 4
media-type sfp auto-failover
Example:
Router(config-if)# media-type sfp
auto-failover
Router(config-if)#
Example:
Router(config-if)# media-type rj45
auto-failover
Router(config-if)#
Step 5
end
Enabling Auto-Detect
The Auto-Detect feature is enabled if media-type is not configured. This feature automatically detects
which media is connected and links up. If both media are connected, whichever media comes up first is
linked up.
The Auto-Detect feature only works with 1 GigE SFPs. This feature does not detect 100M SFPs.
Note
Use the no media-type command in interface configuration mode to enable the Auto-Detect feature.
To configure the Auto-Detect feature, follow these steps, beginning in global configuration mode.
SUMMARY STEPS
1.
2.
3.
Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
100
configure terminal
interface gigabitethernet slot/port
no media-type
Chapter
Configuring Backup Data Lines and Remote Management
Purpose
Designates SFP port as the primary media.
OR
Designates RJ-45 as the primary media.
Configures the port with SFP as the primary
media for automatic failover from SFP to
RJ-45.
OR
Configures the port with RJ-45 as the primary
media for automatic failover from RJ-45 to
SFP.
Exits to global configuration mode.
OL-20696-04
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Troubleshooting
