Trying to connet to Telia(Skanova) ADSL provider in Sweden with 837

Trying to connet to Telia(Skanova) ADSL provider in Sweden with 837
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Trying to connet to Telia(Skanova) ADSL provider in Sweden with 837 Christer Bergstrom 07-09-2005
Posted by Christer Bergstrom on July 9, 2005, 4:35 pm
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Dear Sirs

I have an Cisco 837 where the CRWS-interface goes into an infinite
loop when trying to configure the 837 to my ISP. They have recently
removed login with username/password, so I tried to let the 837 via
the CRWS-interface findout the config parameters via Quick-setup, then
the infinite loop starts. If I monitor the 837 through consol, I can
se that it starts with someting.
sh ver for my 837:

Cisco Internetwork Operating System Software
IOS (tm) C837 Software (C837-K9O3SY6-M), Version 12.2(13)ZH2, EARLY
DEPLOYMENT RELEASE SOFTWARE (fc1)
Synched to technology version 12.2(14.5)T
TAC Support: http://www.cisco.com/tac
Copyright (c) 1986-2003 by cisco Systems, Inc.
Compiled Tue 22-Jul-03 09:28 by ealyon
Image text-base: 0x800131E8, data-base: 0x80B50C04

ROM: System Bootstrap, Version 12.2(8r)YN, RELEASE SOFTWARE (fc1)
ROM: C837 Software (C837-K9O3SY6-M), Version 12.2(13)ZH2, EARLY
DEPLOYMENT RELEASE SOFTWARE (fc1)

Router uptime is 44 minutes
System returned to ROM by power-on
System image file is "flash:c837-k9o3sy6-mz.122-13.ZH2.bin"

CISCO C837 (MPC857DSL) processor (revision 0x500) with 44237K/4915K
bytes of memory.
Processor board ID AMB08191KCX (3757405852), with hardware revision
0000
CPU rev number 7
Bridging software.
1 Ethernet/IEEE 802.3 interface(s)
1 ATM network interface(s)
128K bytes of non-volatile configuration memory.
12288K bytes of processor board System flash (Read/Write)
2048K bytes of processor board Web flash (Read/Write)

Configuration register is 0x2102

sh run shows:

Current configuration : 881 bytes
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname Router
!
logging queue-limit 100
!
ip subnet-zero
ip dhcp excluded-address 10.10.10.1
!
ip dhcp pool CLIENT
import all
network 10.10.10.0 255.255.255.0
default-router 10.10.10.1
lease 0 2
!
!
ip audit notify log
ip audit po max-events 100
no ftp-server write-enable
!
!
!
!
!
!
!
interface Ethernet0
ip address 10.10.10.1 255.255.255.0
hold-queue 100 out
!
interface ATM0
no ip address
no atm ilmi-keepalive
dsl operating-mode auto
!
ip classless
ip http server
no ip http secure-server
!
access-list 23 permit 10.10.10.0 0.0.0.255
!
line con 0
exec-timeout 120 0
no modem enable
stopbits 1
line aux 0
stopbits 1
line vty 0 4
access-class 23 in
exec-timeout 120 0
login local
length 0
!
scheduler max-task-time 5000
!
end

As the CRWS-interface went into an loop and as I am not so familiar
with Cisco-router setup, I would be wery grateful if somebody would
take some of their time to help me with this task, I have seen some
configs in this group, but they all applies to username/password login
to ISP.

best regards

Christer Bergström
Viker
Sweden


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Posted by BradReeseCom on July 9, 2005, 8:15 am
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Hi Christer,

These Cisco 837 Config Wizards may or may not help you:

http://www.ifm.net.nz/cookbooks/configwizard.html

as well as

http://www.ifm.net.nz/cookbooks/ipv6configwizard.html

Sincerely,

Brad Reese
BradReese.Com Cisco Repair Service Experts
1293 Hendersonville Road, Suite 17
Asheville, North Carolina USA 28803
U.S. Toll Free: 877-549-2680
International: 828-277-7272
Website: http://www.bradreese.com/cisco-big-iron-repair.htm



Posted by Christer Bergstrom on July 10, 2005, 1:12 pm
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skrev:

>Hi Christer,
>
>These Cisco 837 Config Wizards may or may not help you:
>
>http://www.ifm.net.nz/cookbooks/configwizard.html
>
>as well as
>
>http://www.ifm.net.nz/cookbooks/ipv6configwizard.html
>
>Sincerely,
>
>Brad Reese
>BradReese.Com Cisco Repair Service Experts
>1293 Hendersonville Road, Suite 17
>Asheville, North Carolina USA 28803
>U.S. Toll Free: 877-549-2680
>International: 828-277-7272
>Website: http://www.bradreese.com/cisco-big-iron-repair.htm

Hello
I have now an config like this:

version 12.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname Router
!
logging queue-limit 100
!
ip subnet-zero
ip dhcp excluded-address 192.168.0.1
ip dhcp excluded-address 195.67.199.9
!
ip dhcp pool balja
network 192.168.0.0 255.255.255.0
default-router 192.168.0.1
dns-server 195.67.199.9 195.67.199.10
!
!
ip audit notify log
ip audit po max-events 100
no ftp-server write-enable
!
!
!
!
!
bridge irb
!
!
interface Ethernet0
ip address 192.168.0.1 255.255.255.0
ip nat inside
hold-queue 100 out
!
interface ATM0
no ip address
no atm ilmi-keepalive
pvc 8/35
encapsulation aal5snap
!
dsl operating-mode auto
bridge-group 1
!
interface BVI1
ip address dhcp client-id Ethernet0
ip nat outside
!
ip nat inside source list 1 interface BVI1 overload
ip classless
ip route 0.0.0.0 0.0.0.0 BVI1
ip http server
no ip http secure-server
!
access-list 1 permit 0.0.0.1 255.255.255.0
bridge 1 protocol ieee
bridge 1 route ip
!
line con 0
exec-timeout 120 0
no modem enable
stopbits 1
line aux 0
stopbits 1
line vty 0 4
access-class 23 in
exec-timeout 120 0
login local
length 0
!
scheduler max-task-time 5000
!

when executing sh arp, it gives this:

Protocol Address Age (min) Hardware Addr Type Interface
Internet 81.226.72.239 7 0002.3b00.d94b ARPA BVI1
Internet 192.168.0.119 1 0006.5b57.4731 ARPA Ethernet0
Internet 81.226.84.203 - 0000.0c46.2a10 ARPA BVI1
Internet 192.168.0.1 - 000f.8f60.c97d ARPA Ethernet0
Internet 81.226.67.77 2 0002.3b00.d94b ARPA BVI1

It indicates some connection to the outside.

Where am I wrong in the configuration?

best regards
Christer Bergström
Viker
Sweden



Posted by Brian V on July 10, 2005, 7:56 am
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> skrev:
>
>>Hi Christer,
>>
>>These Cisco 837 Config Wizards may or may not help you:
>>
>>http://www.ifm.net.nz/cookbooks/configwizard.html
>>
>>as well as
>>
>>http://www.ifm.net.nz/cookbooks/ipv6configwizard.html
>>
>>Sincerely,
>>
>>Brad Reese
>>BradReese.Com Cisco Repair Service Experts
>>1293 Hendersonville Road, Suite 17
>>Asheville, North Carolina USA 28803
>>U.S. Toll Free: 877-549-2680
>>International: 828-277-7272
>>Website: http://www.bradreese.com/cisco-big-iron-repair.htm
>
> Hello
> I have now an config like this:
>
> version 12.2
> no service pad
> service timestamps debug datetime msec
> service timestamps log datetime msec
> service password-encryption
> !
> hostname Router
> !
> logging queue-limit 100
> !
> ip subnet-zero
> ip dhcp excluded-address 192.168.0.1
> ip dhcp excluded-address 195.67.199.9
> !
> ip dhcp pool balja
> network 192.168.0.0 255.255.255.0
> default-router 192.168.0.1
> dns-server 195.67.199.9 195.67.199.10
> !
> !
> ip audit notify log
> ip audit po max-events 100
> no ftp-server write-enable
> !
> !
> !
> !
> !
> bridge irb
> !
> !
> interface Ethernet0
> ip address 192.168.0.1 255.255.255.0
> ip nat inside
> hold-queue 100 out
> !
> interface ATM0
> no ip address
> no atm ilmi-keepalive
> pvc 8/35
> encapsulation aal5snap
> !
> dsl operating-mode auto
> bridge-group 1
> !
> interface BVI1
> ip address dhcp client-id Ethernet0
> ip nat outside
> !
> ip nat inside source list 1 interface BVI1 overload
> ip classless
> ip route 0.0.0.0 0.0.0.0 BVI1
> ip http server
> no ip http secure-server
> !
> access-list 1 permit 0.0.0.1 255.255.255.0
> bridge 1 protocol ieee
> bridge 1 route ip
> !
> line con 0
> exec-timeout 120 0
> no modem enable
> stopbits 1
> line aux 0
> stopbits 1
> line vty 0 4
> access-class 23 in
> exec-timeout 120 0
> login local
> length 0
> !
> scheduler max-task-time 5000
> !
>
> when executing sh arp, it gives this:
>
> Protocol Address Age (min) Hardware Addr Type Interface
> Internet 81.226.72.239 7 0002.3b00.d94b ARPA BVI1
> Internet 192.168.0.119 1 0006.5b57.4731 ARPA Ethernet0
> Internet 81.226.84.203 - 0000.0c46.2a10 ARPA BVI1
> Internet 192.168.0.1 - 000f.8f60.c97d ARPA Ethernet0
> Internet 81.226.67.77 2 0002.3b00.d94b ARPA BVI1
>
> It indicates some connection to the outside.
>
> Where am I wrong in the configuration?
>
> best regards
> Christer Bergström
> Viker
> Sweden
>

Your NAT acl is messed up, your only allowing deices with X.X.X.1 addresses
to be nated (which in your subnet is only your ethernets interface).

conf t
no access-list 1 permit 0.0.0.1 255.255.255.0
access-list 1 permit 192.168.0.0 0.0.0.255
exit
wr mem

-Brian




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