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user13846
Asked: 2014-03-16 17:00:05 +0800 CST

How do I configure an ASA 5505 to pull a DHCP address from a bridged DSL modem/router?

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I have a remote office that I am hooking up to our corporate network and this particular site has a centurylink adsl2+ router that I need to negotiate an rfc 1483 via DHCP connection across. The dsl modem is in bridged mode and it is connected to the outside interface on the ASA. I need to configure the ASA to negotiate with the ISP to bring the interface up and pass traffic.

RFC 1483 via DHCP multiplex set llc based Bridged mode vpi:8 VCI:35 encapsulation ADSL2+

Any ideas on what the best ways to set this up are?

dhcp

1 Answers

  1. interface (whatever)
 nameif outside
 pppoe client vpdn group CHN
 ip address pppoe
!
mtu outside 1492
!
vpdn group CHN request dialout pppoe
vpdn group CHN localname (your username)
vpdn group CHN ppp authentication pap (or whatever you need)
vpdn username (your username) (your password)

    Reference: Cisco "PIX/ASA: PPPoE Client Configuration Example" docs

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