I have cisco 1801W . Earlier I am using ADSL dynamic IP address on RJ 11 through the ADSL Port but now the ISP change the connection to RJ45.
I am trying to configure it but unable to do this. ADSL line is okay because When I am connecting through the ISP router it is working fine. I have connected the ADSL RJ45 cable in the router fast ethernet 0.
But I wanted to use Cisco 1801 Router so that I can use the ADSL as primary and ISDN as the backup.
Below is my configuration please let me know eiteher this is possible to configure ADSL through RJ45 in 1801 and what configuratino require for this.
Router#show ip int brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0 unassigned YES DHCP up up
BRI0 unassigned YES unset administratively down down
BRI0:1 unassigned YES unset administratively down down
BRI0:2 unassigned YES unset administratively down down
FastEthernet1 unassigned YES unset up down
FastEthernet2 unassigned YES unset up down
FastEthernet3 unassigned YES unset up down
FastEthernet4 unassigned YES unset up down
FastEthernet5 unassigned YES unset up down
FastEthernet6 unassigned YES unset up down
FastEthernet7 unassigned YES unset up down
FastEthernet8 unassigned YES unset up down
Dot11Radio0 unassigned YES unset administratively down down
Dot11Radio1 unassigned YES unset administratively down down
I am able to configure my ADSL connection successfully through the FastEthernet but now the backup ISDN is not working. I want to to use my ISDN line as backup in case when ADSL went down. I am confuse about the NAT configuration as well.
below is the configuration.
interface FastEthernet0 no ip address duplex auto speed auto pppoe enable group global pppoe-client dial-pool-number 1 ! interface BRI0 no ip address encapsulation ppp dialer pool-member 2 isdn switch-type basic-net3 ppp authentication chap callin ! interface FastEthernet1 ! interface FastEthernet2 ! interface FastEthernet3 ! interface FastEthernet4 ! interface FastEthernet5 ! interface FastEthernet6 ! interface FastEthernet7 ! interface FastEthernet8 ! interface Dot11Radio0 no ip address shutdown speed basic-1.0 basic-2.0 basic-5.5 6.0 9.0 basic-11.0
48.0 54.0 station-role root ! interface ATM0 no ip address shutdown no atm ilmi-keepalive pvc 0/50 encapsulation aal5mux ppp dialer dialer pool-member 1 ! dsl operating-mode auto ! interface Vlan1 ip address 172.17.246.1 255.255.255.0 ip nat inside ip virtual-reassembly ! interface Dialer1 description ADSL ip address negotiated ip nat outside ip virtual-reassembly encapsulation ppp dialer pool 1 dialer-group 1 ppp authentication pap callin ppp pap sent-username eildxb12 password 7
04491C1E152442480F ! interface Dialer2 ip address negotiated ip nat outside ip virtual-reassembly encapsulation ppp dialer pool 2 dialer idle-timeout 180 dialer string 400200044 dialer-group 2 no cdp enable ppp pap sent-username eppcolub password 7
070A315C4D59481015 ! ip forward-protocol nd ip route 0.0.0.0 0.0.0.0 Dialer1 ip route 0.0.0.0 0.0.0.0 Dialer2 200 ! ! no ip http server no ip http secure-server ip nat inside source list 101 interface Dialer1 overload ip nat inside source list 102 interface Dialer2 overload ! access-list 101 permit ip any any access-list 102 permit ip any any dialer-list 1 protocol ip list 101 dialer-list 2 protocol ip list 102
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