cisco 876w: wlan client - routing problem

Unanswered Question
May 1st, 2010
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I configured a Cisco 876w to connect to an existing WLAN as a client. Now I would like to connect 3 PCs to the 876w which should be able to access the internet via the 876w.


Problem:

Being at the console (ssh) of the 876w, I can ping hosts in the internet (even with their name like www.google.com) but when I'm using a client PC, I can't... What am I missing here? Could it be a NAT problem?


Config:

Internet <--->  DSL Router 192.168.1.1 (and WLAN AccessPoint)  <--->  Cisco 876w (gets IP per DHCP, VLAN1 IP: 10.10.10.1) <---> PC (10.10.10.101)


Current configuration : 9897 bytes
!
version 12.4
no service pad

...

dot11 vlan-name wlan-lan vlan 1
!
dot11 ssid WLAN
vlan 1
authentication open
authentication key-management wpa
wpa-psk ascii 7 0923467F1B2E52789807132F7A202E3D31
!
no ip source-route
!
!
ip dhcp excluded-address 10.10.10.1 10.10.10.9
ip dhcp excluded-address 10.10.10.101 10.10.10.254
!
ip dhcp pool ccp-pool1
   import all
   network 10.10.10.0 255.255.255.0
   default-router 10.10.10.1
   domain-name cisco.test.com
   dns-server 208.67.222.222
!
!
ip cef
no ip bootp server
ip domain name test.com
ip name-server 208.67.222.222

ip ddns update method sdm_ddns1
HTTP
  add http:[email protected]/nic/update?system=dyndns&hostname=[email protected]/nic/update?system=dyndns&hostname=<h>&myip=<a>
  remove http:[email protected]/nic/update?system=dyndns&hostname=[email protected]/nic/update?system=dyndns&hostname=<h>&myip=<a>
!
no ipv6 cef
!
multilink bundle-name authenticated
!
isdn switch-type basic-net3
!
!
username admin privilege 15 secret 5 $1$uiouLKjbLIUBlKbj
username service privilege 15 secret 5 $1$LKjblkJNBLKkjlbkm
!
!
!
archive
log config
  hidekeys
!
!
ip tcp synwait-time 10
ip ssh time-out 60
ip ssh authentication-retries 2
!
class-map type inspect match-all sdm-cls--1
match access-group name AllowAny
!
!
policy-map type inspect sdm-policy-sdm-cls--1
class type inspect sdm-cls--1
  inspect
class class-default
  drop
!
zone security wan
zone security lan
zone-pair security sdm-zp-lan-wan source lan destination wan
service-policy type inspect sdm-policy-sdm-cls--1
!
!
!
interface BRI0
description <--
no ip address
ip flow ingress
ip virtual-reassembly
encapsulation ppp
shutdown
dialer pool-member 1
isdn switch-type basic-net3
isdn point-to-point-setup
ppp multilink

!        
interface ATM0
backup interface BRI0
no ip address
no ip redirects
no ip unreachables
no ip proxy-arp
ip flow ingress
shutdown
no atm ilmi-keepalive
!
interface ATM0.3 point-to-point
description <--
ip flow ingress
shutdown
pvc 1/32
  pppoe-client dial-pool-number 2
!
!
interface FastEthernet0
!
interface FastEthernet1
!
interface FastEthernet2
!
interface FastEthernet3
!
interface Dot11Radio0
description <--
no ip address
no ip proxy-arp
ip flow ingress
ip virtual-reassembly
no ip route-cache cef
no ip route-cache
!
encryption mode ciphers aes-ccm
!
encryption vlan 1 mode ciphers aes-ccm
!
ssid WLAN
!
speed basic-1.0 basic-2.0 basic-5.5 6.0 9.0 basic-11.0 12.0 18.0 24.0 36.0 48.0 54.0
station-role non-root
no cdp enable
!
interface Dot11Radio0.1
encapsulation dot1Q 1 native
ip address dhcp
ip nat outside
ip virtual-reassembly
no ip route-cache
no cdp enable
!
interface Vlan1
description $ETH-SW-LAUNCH$$INTF-INFO-HWIC 4ESW$$ES_LAN$$FW_INSIDE$
ip address 10.10.10.1 255.255.255.0
no ip redirects
no ip unreachables
no ip proxy-arp
ip flow ingress
ip nat inside
ip virtual-reassembly
zone-member security lan
ip tcp adjust-mss 1412
!
interface Dialer0
ip ddns update hostname blahblah.dnsalias.com
ip ddns update sdm_ddns1
ip address negotiated
ip nat outside
ip virtual-reassembly
zone-member security wan
encapsulation ppp
shutdown
dialer pool 1
dialer idle-timeout 600
dialer string 01919214124
dialer load-threshold 20 outbound
dialer watch-group 1
dialer-group 1
no cdp enable
ppp authentication chap pap callin
ppp chap hostname asfa
ppp chap password 7 128763520
ppp pap sent-username asfa password 7 0302141555
ppp multilink
!
interface Dialer2
ip ddns update sdm_ddns1
ip address negotiated
ip mtu 1452
ip nat outside
ip virtual-reassembly
zone-member security wan
encapsulation ppp
dialer pool 2
dialer-group 2
no cdp enable
ppp authentication chap pap callin
ppp chap hostname gast
ppp chap password 7 095B239876473F06090A
ppp pap sent-username gast password 7 1239847629873693D
!
router rip
network 10.0.0.0
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 192.168.1.1
ip http server
ip http access-class 23

ip http authentication local
ip http secure-server
ip http timeout-policy idle 60 life 86400 requests 10000
!
!
ip nat inside source list 105 interface Dialer0 overload
ip nat inside source list 106 interface Dot11Radio0.1 overload
!
ip access-list extended AllowAny
remark CCP_ACL Category=128
permit ip 10.10.10.0 0.0.0.255 any
ip access-list extended nix
remark tut nix
remark CCP_ACL Category=2
permit tcp any any
permit udp any any
permit icmp any any
permit ip any any
!
logging trap debugging
access-list 1 remark INSIDE_IF=Vlan1
access-list 1 remark CCP_ACL Category=2
access-list 1 permit 10.10.10.0 0.0.0.255
access-list 100 remark CCP_ACL Category=2
access-list 100 permit ip any any
access-list 101 remark CCP_ACL Category=2
access-list 101 permit ip 10.10.10.0 0.0.0.255 any
access-list 102 remark CCP_ACL Category=2
access-list 102 permit ip 10.10.10.0 0.0.0.255 any
access-list 103 remark CCP_ACL Category=2
access-list 103 permit ip 10.10.10.0 0.0.0.255 any
access-list 105 remark Alles
access-list 105 remark CCP_ACL Category=2
access-list 105 permit ip 10.10.10.0 0.0.0.255 any
access-list 105 permit icmp 10.10.10.0 0.0.0.255 any
access-list 105 permit udp 10.10.10.0 0.0.0.255 any
access-list 105 permit tcp 10.10.10.0 0.0.0.255 any
access-list 106 remark NAT wlan
access-list 106 remark CCP_ACL Category=2
access-list 106 permit ip 10.10.10.0 0.0.0.255 any
access-list 106 permit icmp 10.10.10.0 0.0.0.255 any
access-list 106 permit udp 10.10.10.0 0.0.0.255 any
access-list 106 permit tcp 10.10.10.0 0.0.0.255 any
dialer watch-list 1 ip 208.67.222.222 255.255.255.255
dialer-list 1 protocol ip permit
no cdp run

!
!
!
!
radius-server attribute 32 include-in-access-req format %h
radius-server vsa send accounting
!
control-plane
!
!
banner exec ^C
% Password expiration warning.
-----------------------------------------------------------------------

Cisco Configuration Professional (Cisco CP) is installed on this device
and it provides the default username "cisco" for  one-time use. If you have
already used the username "cisco" to login to the router and your IOS image
supports the "one-time" user option, then this username has already expired.
You will not be able to login to the router with this username after you exit
this session.

It is strongly suggested that you create a new username with a privilege level
of 15 using the following command.

username <myuser> privilege 15 secret 0 <mypassword>

Replace <myuser> and <mypassword> with the username and password you
want to use.

-----------------------------------------------------------------------
^C
banner login ^CAuthorized access only!
Disconnect IMMEDIATELY if you are not an authorized user!^C
!
line con 0
no modem enable
transport output telnet
line aux 0
transport output telnet
line vty 0 4
transport input telnet ssh
!
scheduler max-task-time 5000
scheduler allocate 4000 1000
scheduler interval 500
end

#sh ip int brief

ndrmedienturm#sh ip int brief
Interface                  IP-Address      OK? Method Status                Protocol
FastEthernet0              unassigned      YES unset  up                    up     
FastEthernet1              unassigned      YES unset  up                    down   
FastEthernet2              unassigned      YES unset  up                    down   
FastEthernet3              unassigned      YES unset  up                    down   
BRI0                       unassigned      YES NVRAM  standby mode/disabled down   
BRI0:1                     unassigned      YES unset  administratively down down   
BRI0:2                     unassigned      YES unset  administratively down down   
Dot11Radio0                unassigned      YES TFTP   up                    up     
Dot11Radio0.1              unassigned      YES DHCP   up                    up     
ATM0                       unassigned      YES NVRAM  administratively down down   
ATM0.3                     unassigned      YES unset  administratively down down   
SSLVPN-VIF0                unassigned      NO  unset  up                    up     
Vlan1                      10.10.10.1      YES NVRAM  up                    up     
NVI0                       unassigned      YES unset  administratively down down   
Dialer0                    unassigned      YES NVRAM  administratively down down   
Dialer2                    unassigned      YES NVRAM  up                    up     
Virtual-Dot11Radio0        unassigned      YES TFTP   up                    up     
Virtual-Dot11Radio0.1      192.168.1.54    YES DHCP   up                    up

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Ganesh Hariharan Sun, 05/02/2010 - 08:10
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    Member's Choice, February 2016

Hi,


Just check it out few things from client are you able to ping the wan interface of the cisco 876w and when you ping the internt address from client pc what is the out put of the nat translation in router.

The command to check the same is show ip nat translation is packet is gettin translated or not.


Hope to Help !!


Ganesh.H

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