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Cisco819G Main WAN1 PPPOE Connexion with WAN2 LTE Integrated cellular Modem


I'm trying to find an issues with my configuration for my Cisco 819G.

The issues is that look like that the configuration for my primary WAN connexion PPPOE did conflic with my cellular 0 interface.

Now on site the primary WAN-1 PPPOE is working but if this connexion fail the cellular 0 interface don't want to go up.

I think is there conflic between dialer-Group etc..

It's also good to know that before i add the config for dialer 1 interface for PPPOE connexion the Cellular 0 worked well.

Can anybody help please. ( Thank You )

here is a part of the router config

chat-script lte "" "AT!CALL" TIMEOUT 20 "OK"

controller Cellular 0
 lte modem link-recovery rssi onset-threshold -110
 lte modem link-recovery monitor-timer 20
 lte modem link-recovery wait-timer 10
 lte modem link-recovery debounce-count 6

interface Cellular0
 ip address negotiated
 ip nat outside
 ip virtual-reassembly in
 encapsulation slip
 dialer in-band
 dialer string lte
 dialer-group 1
 async mode interactive
 crypto map Netgear

interface GigabitEthernet0
 description WAN-1 BELL ADSL
 no ip address
 duplex auto
 speed auto
 pppoe enable group global
 pppoe-client dial-pool-number 1
 no cdp enable

interface Dialer1
 description WAN-1 BELL ADSL Logical Interface
 ip address negotiated
 ip mtu 1492
 ip nat outside
 ip virtual-reassembly in
 encapsulation ppp
 ip tcp adjust-mss 1452
 dialer pool 1
 dialer-group 1
 ppp authentication pap callin
 ppp pap sent-username password 0 xxxxxxxxx
 ppp ipcp dns request
 ppp ipcp route default
 ppp ipcp address accept
 no cdp enable
 crypto map Netgear

dialer-list 1 protocol ip permit

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