linksys WGKPC354G to connect to cisco 2841 as dsl modem / bridge

Posted on 2006-05-08
Last Modified: 2013-11-16
I have a linksys WGKPC354G and a cisco 2841.
the cisco is connected to the inside network and does NAT etc.
I have a DSL line that authenticates using PPPoA with a username and pass

how can I use the linksys as a modem / bridge only so that my cisco router would receive the public ip address through the bridge and connect to the internet?
I do not want to do nat over the linksys and don't want to use it as a router at all.

Question by:eggster34
    LVL 10

    Expert Comment

    Can you post output for show version from your cisco router so we can verify the version/model number.

    If the router supports PPPoA, then you can directly connect it to the DSL Modem.

    Else, in your linksys router, you can make the Cisco as DMS host and forward all ports to it. Should work like if it has received the public IP address. As far as I know, you can not make the Linksys router work as a Modem/Bridge.

    Author Comment

    here's my sh ver

    Cisco IOS Software, 1841 Software (C1841-ADVSECURITYK9-M), Version 12.4(3a), RELEASE SOFTWARE (fc2)
    Technical Support:
    Copyright (c) 1986-2005 by Cisco Systems, Inc.
    Compiled Thu 29-Sep-05 19:12 by hqluong

    ROM: System Bootstrap, Version 12.3(8r)T8, RELEASE SOFTWARE (fc1)

    london uptime is 15 hours, 56 minutes
    System returned to ROM by reload at 17:26:04 UTC Mon May 8 2006
    System image file is "flash:c1841-advsecurityk9-mz.124-3a.bin"

    This product contains cryptographic features and is subject to United
    States and local country laws governing import, export, transfer and
    use. Delivery of Cisco cryptographic products does not imply
    third-party authority to import, export, distribute or use encryption.
    Importers, exporters, distributors and users are responsible for
    compliance with U.S. and local country laws. By using this product you
    agree to comply with applicable laws and regulations. If you are unable
    to comply with U.S. and local laws, return this product immediately.

    A summary of U.S. laws governing Cisco cryptographic products may be found at:
    If you require further assistance please contact us by sending email to
    Cisco 1841 (revision 5.0) with 234496K/27648K bytes of memory.
    Processor board ID FCZ09462082
    2 FastEthernet interfaces
    1 Virtual Private Network (VPN) Module
    DRAM configuration is 64 bits wide with parity disabled.
    191K bytes of NVRAM.
    62720K bytes of ATA CompactFlash (Read/Write)

    Configuration register is 0x2102
    LVL 10

    Accepted Solution

    The router you have shown does not have a ADSL WIC, you can either purchase and install it on the Cisco router and you will be able to connect it directly with DSL Line, or you will need to setup DMZ host as the router to forward all ports from Linksys to Cisco 1841

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