From: Jeremy (jeremy19@cox.net)
Date: Fri Jun 17 2005 - 12:22:59 GMT-3
I have been playing with PPPoX configurations, in an attempt to understand the differences between PPPoATM, FR, Ethernet, and Dot1Q vlans. It would appear that all of the configurations are similar with the exception of PPP over Ethernet. Could somebody help clarify why the dialer configuration is required on PPPoEthernet? Here are some example configs I threw together this morning (haven't labbed them up yet.):
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RouterA RouterB
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username RouterB password cisco username RouterA password cisco
interface Lo0 interface Lo0
ip address 192.168.1.1 255.255.255.0 ip address 192.168.1.2 255.255.255.0
interface virtual-template 1 interface virtual-template 1
encapsulation ppp encapsulation ppp
ip unnumbered loopback0 ip unnumbered loopoback0
ppp authentication chap ppp authentication chap
ppp chap hostname RouterA ppp chap hostname RouterA
ppp chap password cisco ppp chap password cisco
mtu 1492 mtu 1492
!PPPoATM (Back to Back) Configuration
interface atm 1/0.1 point-to-point interface atm 1/0.1 point-to-point
pvc 1/101 pvc 1/101
encapsulation aal5cisco ppp virtual-template 1 encapsulation aal5cisco ppp virtual-template 1
!PPPoFrame-Relay (Back to Back)Configuration
interface serial0/0 interface serial0/0
no ip address no ip address
encap frame encap frame
no arp frame no arp frame
no frame inverse no frame inverse
no keepalive no keepalive
interface serial0/0.1 point-to-point interface serial0/0.1 point-to-point
frame-relay interface-dlci 102 ppp virtual-template 1 frame-relay interface-dlci 102 ppp virutal-template1
!PPPoEthernet Configuation
vpdn enable vpdn enable
vpdn-group 2 vpdn-group 2
accept dialin accept dialin
protocol pppoe protocol pppoe
pppoe limit per-mac 25 pppoe limit per-mac 25
virtual-template 1 virtual-template 1
interface ethernet 0 interface ethernet 0
ppoe enable ppoe enable
protocol pppoe protocol pppoe
ppoe-client dial pool 1 ppoe-client dial pool 1
!PPPoEthernet (Dial-out/Client) Configuration?!?
dialer-list 1 protocol ip permit dialer-list 1 protocol ip permit
interface Dialer 1 Interface Dialer 1
ip unnumbered loopback0 ip unnumbered loopback0
dialer pool 1 dialer pool 1
dialer-group 1 dialer-group 1
encapsulation ppp encapsulation ppp
!PPPoDot1Q Configuration
interface fastethernet 1/0 interface fastethernet 1/0
encapsulation dot1q 123 encapsulation dot1q 123
ppoe enable ppoe enable
vpdn group 2 vpdn group 2
accept dialin accept dialin
protocol pppoe protocol pppoe
virtual-template 1 virtual-template 1
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