IPv4 settings
IPv6 settings
Router settings
LAN with NAT
DMZ
ADSL Uplink
ISDN Uplink
6in4 Tunnel
Maintenance
Controlling
Logging / Coredumps
Time
 
! 
version 12.3 
service nagle 
no service pad 
service tcp-keepalives-in 
service tcp-keepalives-out 
service timestamps debug datetime msec localtime show-timezone 
service timestamps log datetime msec localtime show-timezone 
service password-encryption 
! 
hostname rt-1 
! 
boot-start-marker 
boot-end-marker 
! 
memory-size iomem 5 
logging buffered 16384 debugging 
no logging console 
enable secret 5 $1$xxxxxxxxxxxxxxxxxxxxxxxxxxx 
! 
username foobar secret 5 $1$xxxxxxxxxxxxxxxxxxxxxxxxxxx 
clock timezone CET 1 
clock summer-time CEST recurring last Sun Mar 2:00 last Sun Oct 3:00 
no aaa new-model 
ip subnet-zero 
no ip source-route 
! 
ip domain name 0x1b.ch 
ip name-server 212.25.17.162 
no ip bootp server 
ip ftp username cisco 
ip ftp password 7 xxxxxxxxxxxxxxxxxx 
ip cef 
ip flow-cache feature-accelerate 
ip ids po max-events 100 
ipv6 unicast-routing 
ipv6 cef 
no ftp-server write-enable 
isdn switch-type basic-net3 
! 
interface Tunnel2002 
description 6to4 tunnel (RFC3068) 
 no ip address 
 no ip redirects 
 ipv6 address 2002:D419:11A1::1/128 
tunnel source Ethernet0 
tunnel mode ipv6ip 6to4 
! 
interface Ethernet0 
description public LAN 
 ip address 212.25.17.161 255.255.255.240 
 ip verify unicast reverse-path 
 no ip redirects 
 no ip proxy-arp 
 ip nat inside 
 ip virtual-reassembly 
 ip route-cache flow 
 no ip mroute-cache 
 ipv6 address 2001:8E0:1006::1/64 
 ipv6 address 2001:8E0:1006::/64 eui-64 
 ipv6 verify unicast reverse-path 
 no cdp enable 
! 
interface Ethernet2 
description private LAN 
 ip address 172.16.0.1 255.255.0.0 
 ip verify unicast reverse-path 
 ip helper-address 212.25.17.162 
 no ip redirects 
 no ip proxy-arp 
 ip nat inside 
 ip virtual-reassembly 
 ip route-cache flow 
 no ip mroute-cache 
 ipv6 address 2001:8E0:1006:1::1/64 
 ipv6 address 2001:8E0:1006:1::/64 eui-64 
 ipv6 verify unicast reverse-path 
 no cdp enable 
! 
interface BRI0 
description ISDN interface 
 no ip address 
encapsulation ppp 
dialer pool-member 2 
 isdn switch-type basic-net3 
 isdn tei-negotiation first-call 
 isdn answer1 0123456789 
 isdn calling-number 0123456789 
 no cdp enable 
! 
interface ATM0 
description ADSL interface 
 no ip address 
 atm vc-per-vp 64 
 no atm ilmi-keepalive 
 dsl operating-mode etsi 
 pvc 8/35 
 encapsulation aal5snap 
 protocol ppp dialer 
 dialer pool-member 1 
 ! 
! 
interface FastEthernet1 
 no ip address 
duplex auto 
speed auto 
! 
interface FastEthernet2 
 no ip address 
duplex auto 
speed auto 
! 
interface
FastEthernet3 
 no
ip address 
duplex auto 
speed auto 
! 
interface
FastEthernet4 
 no
ip address 
duplex auto 
speed auto 
! 
interface
Virtual-Template1 
 no
ip address 
! 
interface
Dialer1 
description ADSL
link to Dolphins (212.25.16.173 - 212.25.27.44) 
bandwidth 600 
 ip
address negotiated 
 ip
access-group frominet in 
 no
ip redirects 
 no
ip proxy-arp 
 ip
nat outside 
 ip
virtual-reassembly 
encapsulation ppp 
 ip
route-cache flow 
 no
ip mroute-cache 
dialer pool 1 
dialer-group 1 
 ipv6
address autoconfig 
 ipv6
traffic-filter frominet6 in 
 ipv6
virtual-reassembly 
 no
cdp enable 
 ppp
authentication chap callin 
 ppp
chap hostname login@example.com 
 ppp
chap password 7 xxxxxxxxxxxxxxxxxx 
! 
interface
Dialer2 
description ISDN
link to Dolphins (212.25.29.216 - 212.25.28.83) 
bandwidth 128 
 ip
address negotiated 
 ip
access-group frominet in 
 no
ip redirects 
 no
ip proxy-arp 
 ip
nat outside 
 ip
virtual-reassembly 
encapsulation ppp 
 ip
route-cache flow 
 no
ip mroute-cache 
load-interval 60 
dialer pool 2 
dialer string
0840840730 
dialer hold-queue 25
timeout 30 
dialer
load-threshold 200 either 
dialer watch-group 2 
dialer-group 2 
 no
cdp enable 
 ppp
authentication chap callin 
 ppp
chap hostname login 
 ppp
chap password 7 xxxxxxxxxxxxxxxxxx 
! 
ip
classless 
ip
route 0.0.0.0 0.0.0.0 212.25.27.44 
ip
route 0.0.0.0 0.0.0.0 Dialer2 80 
! 
no
ip http server 
no
ip http secure-server 
ip
nat inside source route-map main interface Dialer1 overload 
ip
nat inside source route-map secondary interface Dialer2 overload 
! 
ip
access-list standard management 
remark Remote access
to Router 
permit 212.25.17.160
0.0.0.15 
 deny
  any 
ip
access-list standard private 
remark Private IP
ranges 
permit 10.0.0.0
0.255.255.255 
permit 172.0.0.0
0.240.255.255 
permit 192.168.0.0
0.0.255.255 
 deny
  any 
! 
ip
access-list extended frominet 
remark Filter
traffic from internet 
 deny
  ip host 255.255.255.255 any 
 deny
  ip 0.0.0.0 0.255.255.255 any 
 deny
  ip 10.0.0.0 0.255.255.255 any 
 deny
  ip 127.0.0.0 0.255.255.255 any 
 deny
  ip 169.254.0.0 0.0.255.255 any 
 deny
  ip 172.16.0.0 0.15.255.255 any 
 deny
  ip 204.152.64.0 0.0.1.255 any 
 deny
  ip 192.0.2.0 0.0.0.255 any 
 deny
  ip 192.168.0.0 0.0.255.255 any 
 deny
  ip 224.0.0.0 15.255.255.255 any 
 deny
  ip 240.0.0.0 7.255.255.255 any 
 deny
  ip 248.0.0.0 7.255.255.255 any 
 deny
  ip 212.25.17.160 0.0.0.15 any 
permit udp any eq
domain any 
permit udp any eq
ntp any 
permit udp any eq
isakmp any 
permit udp any eq
talk any 
permit udp any eq
518 any 
 deny
  udp any range 0 1023 any 
 deny
  udp any eq 2049 any 
 deny
  tcp any range exec cmd any 
 deny
  tcp any eq 2049 any 
 deny
  tcp any range 6000 6099 any 
 deny
  tcp any eq 7100 any 
 deny
  tcp any eq 7101 any 
 deny
  tcp any eq 16001 any 
permit ip any any 
logging
trap debugging 
logging
212.25.17.162 
dialer
watch-list 2 ip 212.25.27.44 255.255.255.255 
dialer-list
1 protocol ip permit 
dialer-list
1 protocol ipv6 permit 
dialer-list
2 protocol ip permit 
snmp-server
community public RO management 
snmp-server
location Obstalden 
snmp-server
contact beat@0x1b.ch 
snmp-server
enable traps tty 
snmp-server
enable traps config 
snmp-server
tftp-server-list management 
no
cdp run 
ipv6
route 2002::/16 Tunnel2002 
ipv6
route ::/0 Dialer1 
! 
route-map
main permit 10 
description NAT on
ADSL 
match ip address
private 
match interface
Dialer1 
! 
route-map
secondary permit 10 
description NAT on
ISDN 
match ip address
private 
match interface
Dialer2 
! 
ipv6
access-list frominet6 
remark Filter
traffic from internet 
permit udp any eq
domain any 
permit udp any eq
ntp any 
permit udp any eq
isakmp any 
permit udp any eq
talk any 
permit udp any eq
518 any 
 deny
udp any range 0 1023 any 
 deny
udp any eq 2049 any 
 deny
tcp any range exec cmd any 
 deny
tcp any eq 2049 any 
 deny
tcp any range 6000 6099 any 
 deny
tcp any eq 7100 any 
 deny
tcp any eq 7101 any 
 deny
tcp any eq 16001 any 
permit ipv6 any any 
! 
ipv6
access-list management6 
remark Remote access
to Router 
permit ipv6
2001:8E0:1006::/64 any 
 deny
ipv6 any any 
! 
control-plane 
! 
banner
exec ^C 
 
 
Hopefully
you know what you are doing ;-) 
^C 
banner
motd ^C 
.............................................................................. 
:
rt-1.0x1b.ch                                                         
     : 
:
                                                                     
     : 
:
ADSL / ISDN uplink Obstalden                                         
     : 
:
Cisco 836 managed by Beat Rubischon <beat@0x1b.ch>             
           : 
:............................................................................: 
^C 
alias
exec w copy running-config startup-config 
alias
exec v show running-config 
alias
exec b show ip interface brief 
alias
exec c configure terminal 
alias
exec n copy running-config ftp 
! 
line
con 0 
exec-timeout 60 0 
 no
modem enable 
history size 256 
transport preferred
none 
transport output all 
stopbits 1 
line
aux 0 
exec-timeout 60 0 
transport preferred
none 
transport output all 
line
vty 0 4 
access-class
management in 
exec-timeout 60 0 
 ipv6
access-class management6 in 
login local 
history size 256 
transport preferred
none 
transport input
telnet ssh 
transport output all 
line
vty 5 61 
access-class
management in 
exec-timeout 60 0 
 ipv6
access-class management6 in 
login local 
history size 256 
transport preferred
none 
transport input
telnet ssh 
transport output all 
! 
exception
protocol ftp 
exception
dump 212.25.17.162 
scheduler
max-task-time 5000 
ntp
authentication-key 1 md5 xxxxxxxxxxxxxxxx 7 
ntp
authentication-key 2 md5 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx 7 
ntp
authenticate 
ntp
trusted-key 1 
ntp
trusted-key 2 
ntp
clock-period 17180036 
ntp
master 6 
ntp
server 212.25.17.162 
no
rcapi server 
! 
end 
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