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Beginner

Cisco 887VA ADSL Setiup

Hi,

I have a new C887VAM-W-E-K9 to replace my existing 837 ISR.

I have been looking through the forums to try to fin the correct setup for the ADSL part and it's a little confusing on whether to use VDSL, ATM Ethernet0 etc.. Having read through as many articles as I can digest I came to conculsion that;

For ADSL2+ I need to configure the ATM0 / ATM0.1 to work with the Dialer0 interface and not VDSL/Ethernet0.

Is that correct? I dont understand why some threads talk about "show controller vdsl 0" for testing whether the ADSL line is working correctly?

I have tried to get the router to talk to the ISP and cannot get it working; the current config for the interfaces is below but this doesn't even get the PPP light on nor can I ping 4.2.2.2 from the CCP tool. Any help appreciated?

controller VDSL 0

!

no ip ftp passive

!

!

interface ATM0

no ip address

no atm ilmi-keepalive

!

interface ATM0.1 point-to-point

pvc 0/38

encapsulation aal5mux ppp dialer

dialer pool-member 1

!

!

interface Ethernet0

no ip address

shutdown

!

interface FastEthernet0

no ip address

!

interface FastEthernet1

no ip address

shutdown

!

interface FastEthernet2

no ip address

shutdown

!

interface FastEthernet3

no ip address

shutdown

!

interface Wlan-GigabitEthernet0

description Internal switch interface connecting to the embedded AP

no ip address

!

interface wlan-ap0

description Embedded Service module interface to manage the embedded AP

no ip address

!

interface Vlan1

description $FW_INSIDE$

ip address 192.168.2.1 255.255.255.0

ip nat inside

ip virtual-reassembly in

!

interface Dialer0

ip address negotiated

ip mtu 1452

ip nat outside

ip virtual-reassembly in

encapsulation ppp

dialer pool 1

ppp authentication chap callin

ppp chap hostname bthomehub@btbroadband.com

ppp chap password 0 BT

no cdp enable

!

ip forward-protocol nd

ip http server

ip http authentication local

ip http secure-server

ip http timeout-policy idle 60 life 86400 requests 10000

!

ip nat inside source list 101 interface Dialer0 overload

ip route 0.0.0.0 0.0.0.0 Dialer0

!

access-list 101 permit ip 192.168.2.0 0.0.0.255 any

!

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Beginner

Re: Cisco 887VA ADSL Setiup

Your router has a Broadcom 'multimode' chipset that supports both ADSL2+ and VDSL2. Athough you are correct that ADSL is configured under ATM and VDSL under Ethernet0, the command show controller vdsl 0 is used for both modes, and replaces the command show dsl interface atm 0 used in older models with a different chipset.

In order to troubleshoot, please post the output of show controller vdsl 0 and your full config.

2 REPLIES 2
Highlighted
Beginner

Re: Cisco 887VA ADSL Setiup

Your router has a Broadcom 'multimode' chipset that supports both ADSL2+ and VDSL2. Athough you are correct that ADSL is configured under ATM and VDSL under Ethernet0, the command show controller vdsl 0 is used for both modes, and replaces the command show dsl interface atm 0 used in older models with a different chipset.

In order to troubleshoot, please post the output of show controller vdsl 0 and your full config.

Beginner

Re: Cisco 887VA ADSL Setiup

Thanks,

I have managed to get it working now, I reset back to factory and started again. This time I configured the ATM and a Dialer interface, then set the vdsl to auto mode, I think the issue was that I had configured a vdsl connection using CCP and even removing it didn't make any difference.



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