Reasons Why An Ethernet Interface Configuration May Be Read-Only - Cisco OL-4015-08 User Manual

Reasons Why an Ethernet Interface Configuration May Be Read-Only

Reasons Why an Ethernet Interface Configuration
May Be Read-Only
Cisco Router and Security Device Manager Version 2.2 User's Guide
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If the "dial-on-demand" option is configured on the pppoe-client command.
•
If there is more than 1 PVC configured on the interface.
•
If the encapsulation on the associated dialer is blank or is not "ppp."
•
If no IP address is configured on the associated dialer.
•
If VPDN is required (which is determined dynamically from the Cisco IOS
•
image) but is not configured for this connection.
If the operating mode is "CO" on an SHDSL interface (ATM main interfaces
•
only).
If no IP address is configured on the interface and the interface is not
•
configured for PPPoE (ATM subinterfaces only).
• The interface has an IP address but no associated PVC.
The interface has a PVC but no associated IP address and is not configured
•
for PPPoE.
The bridge-group command is configured on the interface.
•
If the main interface has one or move PVCs as well as one or more
•
subinterfaces.
If the main interface is not configurable (ATM subinterfaces only).
•
It is a multipoint interface (ATM subinterfaces only).
•
A previously configured Ethernet LAN or WAN interface or will be read-only and
will not be configurable in the following cases:
If the LAN interface has been configured as a DHCP server, and has been
•
configured with an IP-helper address.
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