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Cisco Router and Security Device Manager 2.5 User’s Guide
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Chapter6 Edit Interface/Connection
Connection: ADSL over ISDN
If you are editing an existing connection, this field is disabled. If you need to
change this value, delete the connection and re-create it using the value you need .
IP Address
Choose how the router will obtain an IP address for this link.
•Static IP address—If you choose Static IP Address, enter the IP address and
subnet mask, or network bits in the fields provided. For more information, se e
IP Addresses and Subnet Masks.
•Dynamic IP address—If you choose Dynamic, the router will lease an IP
address from a remote DHCP server. Then enter the name or IP address of the
DHCP server.
•Unnumbered IP address—Choose IP Unnumbered if you want the interface
to share an IP address that has already been assigned to another interface.
Then choose the interface whose IP address this interface is to share.
•IP Negotiated—This interface will obtain an IP address using PPP/IP Control
Protocol (IPCP) address negotiation.
Operating Mode
Choose the mode that the ADSL line should use when training.
Note If the Cisco IOS release you are running on the router doe s not support all five
operating modes, you will see options only for the operating modes supported by
your Cisco IOS release.
•annexb—Standard Annex-B mode of ITU-T G.992.1.
•annexb-ur2—ITU-T G.992.1 Annex-B mode.
•auto—Configure the Asymmetric Digital Subscriber Line (ADSL) line after
autonegotiating with the digital subscriber access line multiplexer (DSLAM)
located at the central office.
•etsi—European Telecommunications Standards Institute mode.
•multimode—Mode chosen by the firmware for the best operating condition
on digital subscriber line (DSL). The final mode can be either ETSI mode or
standard Annex-B mode depending on the current DSLAM setti ng.