Filter
Top Products
Chapter 40 More About....
Reasons Why an Ethernet Interface Configuration May Be Read-Only
40-26
Cisco Router and Security Device Manager 2.5 User’s Guide
OL-4015-12
• 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).
Reasons Why an Ethernet Interface Configuration
May Be Read-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.