Problem with configuring Cisco router 857

[itsupport]

Hello,

I am very new in Cisco and this is a first time that I've received task to configure it. This is going to be my backup router in case one of 2 existing Cisco 857 routers fails. I will keep new router off-line but first I would like to configure it and test it.

Task looked straight forward as I could see the other routes settings. I configured all settings via Cisco CP Express to much with my original router 192.2.1.254. Once I swapped routers over for a test my new router didn't get CD and PPP light. Username and password are confirmed that they should be fine.

The option which I don't understand much is encapsulation. On my original router I have selected PPPoA(AAL5MUX).

Also in routing I have selected Dialer0 same like on my original router.

I noticed that when I changed encapsulation to PPPoE, green lighs against CD and PPP appeared . Well I tought problem must be something regarding that option but I can't understand that even when I got CD and PPP green I still couldn't connect to internet. Well then tried to come back to

PPPoA(AAL5MUX). This time all green light stayed on (CD and PPP). Unfortunately I am still unable to connect even if router says in overview "Internet (WAN) up

Once I connect router to the internet I would like to configure firewall and some security using SDM but at the moment I have problem with configuring simple WAN setting in Cisco CP Express. Could you please advise what can I do to compare 2 routers more in detail and see what's different between them.

Regards

Dragan

[itsupport]

new254#show ip int brief

Interface                  IP-Address      OK? Method Status                Prot

ocol

ATM0                       unassigned      YES NVRAM  up                    up

ATM0.1                     unassigned      YES unset  up                    up

Dialer0                    195.166.223.216 YES IPCP   up                    up

FastEthernet0              unassigned      YES unset  up                    up

FastEthernet1              unassigned      YES unset  up                    down

FastEthernet2              unassigned      YES unset  up                    down

FastEthernet3              unassigned      YES unset  up                    down

NVI0                       unassigned      YES unset  administratively down down

Virtual-Access1            unassigned      YES unset  up                    up

Virtual-Access2            unassigned      YES unset  up                    up

Vlan1                      192.2.1.254     YES NVRAM  up                    up

new254#

[itsupport]

Here I found some DHCP conflict about 192.2.1.130. I have a DHCP pool 192.2.1.130 - 140 but the other router with separate ADSL which is on the same subnet doesn't have DHCP on. So not sure why is conflicting as pool is not doubled.

new254#show int virtual-access 1

Virtual-Access1 is up, line protocol is up

  Hardware is Virtual Access interface

  MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100000 usec,

     reliability 255/255, txload 1/255, rxload 1/255

  Encapsulation PPP, LCP Closed

  Base PPPoATM vaccess

  Vaccess status 0x44, loopback not set

  DTR is pulsed for 5 seconds on reset

  Last input never, output never, output hang never

  Last clearing of "show interface" counters 00:19:51

  Input queue: 0/4096/0/0 (size/max/drops/flushes); Total output drops: 0

  Queueing strategy: fifo

  Output queue: 0/40 (size/max)

  5 minute input rate 0 bits/sec, 0 packets/sec

  5 minute output rate 0 bits/sec, 0 packets/sec

     0 packets input, 0 bytes, 0 no buffer

     Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

     0 packets output, 0 bytes, 0 underruns

     0 output errors, 0 collisions, 0 interface resets

     0 unknown protocol drops

     0 output buffer failures, 0 output buffers swapped out

     0 carrier transitions

new254#

*Mar  1 01:39:22.130: %DHCPD-4-PING_CONFLICT: DHCP address conflict:  server pin

ged 192.2.1.130.

new254#

[itsupport]

new254#debug ppp authentication

PPP authentication debugging is on

new254#debug ppp negotiation

PPP protocol negotiation debugging is on

new254#debug ppp packet

PPP packet display debugging is on

new254#

*Mar  1 01:42:00.727: Vi2 LCP: O ECHOREQ [Open] id 107 len 12 magic 0xFE83EF1A

*Mar  1 01:42:00.731: Vi2 LCP-FS: I ECHOREP [Open] id 107 len 12 magic 0xFD3BA13

9

*Mar  1 01:42:00.731: Vi2 LCP-FS: Received id 107, sent id 107, line up

*Mar  1 01:42:05.975: Vi2 LCP-FS: I ECHOREQ [Open] id 109 len 12 magic 0xFD3BA13

9

*Mar  1 01:42:05.975: Vi2 LCP-FS: O ECHOREP [Open] id 109 len 12 magic 0xFE83EF1

A

*Mar  1 01:42:10.964: Vi2 LCP: O ECHOREQ [Open] id 108 len 12 magic 0xFE83EF1A

*Mar  1 01:42:10.968: Vi2 LCP-FS: I ECHOREP [Open] id 108 len 12 magic 0xFD3BA13

9

*Mar  1 01:42:10.968: Vi2 LCP-FS: Received id 108, sent id 108, line up

*Mar  1 01:42:15.992: Vi2 LCP-FS: I ECHOREQ [Open] id 110 len 12 magic 0xFD3BA13

9

*Mar  1 01:42:15.992: Vi2 LCP-FS: O ECHOREP [Open] id 110 len 12 magic 0xFE83EF1

A

*Mar  1 01:42:21.205: Vi2 LCP: O ECHOREQ [Open] id 109 len 12 magic 0xFE83EF1A

*Mar  1 01:42:21.209: Vi2 LCP-FS: I ECHOREP [Open] id 109 len 12 magic 0xFD3BA13

9

*Mar  1 01:42:21.209: Vi2 LCP-FS: Received id 109, sent id 109, line up

*Mar  1 01:42:26.010: Vi2 LCP-FS: I ECHOREQ [Open] id 111 len 12 magic 0xFD3BA13

9

*Mar  1 01:42:26.010: Vi2 LCP-FS: O ECHOREP [Open] id 111 len 12 magic 0xFE83EF1

A

*Mar  1 01:42:31.446: Vi2 LCP: O ECHOREQ [Open] id 110 len 12 magic 0xFE83EF1A

*Mar  1 01:42:31.450: Vi2 LCP-FS: I ECHOREP [Open] id 110 len 12 magic 0xFD3BA13

[itsupport]

Why my original router is on ATM0 and my new router on ATM0.1. I also have option ATM0 on my new rouer but can't edit it via Cisco SDM 2.5. All my WAN settings are under ATM0.1 but both ATM0 and ATM01 are showing UP.

When I disable ATM0 it also disable ATM0.1.

Can anyone explain?

I still can't connect to the internet even if I have all lights on my router (PPP, OK, CD)

[turnera]

"When I disable ATM0 it also disable ATM0.1. Can anyone explain?"

Dragan,

Your ATM 0.1 is a sub-interface off of ATM 0. So when you shutdown (disable) ATM 0, you are disabling anything associated with it. ATM 0.1 is associated with ATM 0, that is why.

Unless there is a compelling reason for having that sub-interface, you can delete the sub-interface and place all the configurations back under ATM0.

[itsupport]

Thanks for explainging ATM, what about this internet connection? Can anyone help at all. I pasted all info. which you asked for. Can anyone tell me what is going wrong as I am stuck.

thanks

Dragan