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3725 RAS Solution + XP dial in Client Issues

gcobby
Level 1
Level 1

Hi All,

I have been setting up a 3725 with a Pri ISDN and a bank of MICA modems.

If I dial in with a Win 2K Pro client I connect ok, receive my IP address, Gateway, DNS etc, and I can ping around the network.

However if I dial in using Windows XP Pro, I connect, I receive an IP address but a get a default gateway of 0.0.0.0. I cannot even ping the Loopback of the router. And the router cannot ping me. If I use this same laptop I can dial my ISP and work fine!

I have checked the built in firewall in XP and this is disabled. I have also tried another XP machine, however this one does get a default gateway, but it still cannot ping or connect to any resources.

Is there something that I should be aware of to get XP working with a Cisco RAS dial up box.

I have attached the config for the 3725.

Thanks in advance

Glen

version 12.2

service timestamps debug datetime msec

service timestamps log datetime msec

no service password-encryption

!

hostname Cisco-3725

!

enable secret 5

!

aaa new-model

!

!

aaa authentication login default group radius enable

aaa authentication login NO_AUTHEN line

aaa authentication ppp default if-needed

aaa authorization exec NO_AUTHOR none

aaa accounting exec default start-stop group radius

aaa accounting network default start-stop group radius

aaa session-id common

ip subnet-zero

ip cef

!

!

no ip dhcp conflict logging

ip dhcp excluded-address 62.130.134.1

!

ip dhcp pool 0

network xx.xx.xx.0 255.255.255.224

!

ip address-pool dhcp-proxy-client

ip dhcp-server x.x.134.1

async-bootp dns-server 194.189.136.14 194.189.136.32

async-bootp nbns-server 194.189.132.32

isdn switch-type primary-net5

!

!

controller E1 1/0

pri-group timeslots 1-10,16

description ***** PRI ISDN Controller *****

!

!

!

interface Loopback0

description ***** Group Async IP Address *****

ip address x.x.x.1 255.255.255.224

!

interface FastEthernet0/0

ip address x.x.x.70 255.255.255.0

duplex auto

speed auto

no cdp enable

!

interface FastEthernet0/1

no ip address

shutdown

duplex auto

speed auto

!

interface Serial1/0:15

description ***** Pri Rate ISDN *****

no ip address

encapsulation ppp

isdn switch-type primary-net5

isdn incoming-voice modem

no peer default ip address

no fair-queue

no cdp enable

!

interface Group-Async1

description ***** Digital Modem Pool *****

ip unnumbered Loopback0

encapsulation ppp

no ip route-cache

no ip mroute-cache

dialer in-band

dialer idle-timeout 600

dialer-group 1

async mode interactive

peer default ip address dhcp

no keepalive

ppp authentication pap

group-range 65 94

!

ip classless

ip route 0.0.0.0 0.0.0.0 194.189.136.1

ip http server

!

!

dialer-list 1 protocol ip permit

no cdp run

radius-server host 194.189.132.156 auth-port 1645 acct-port 1646

radius-server timeout 10

radius-server key xxx

radius-server authorization permit missing Service-Type

!

line con 0

password

login authentication NO_AUTHEN

line 65 94

flush-at-activation

modem Dialin

modem autoconfigure type mica

autocommand ppp

transport preferred none

autoselect during-login

autoselect ppp

line aux 0

line vty 0 4

password

login authentication NO_AUTHEN

!

end

3 Replies 3

vkapoor5
Level 5
Level 5

See if you can find something using PPP or DHCP related debugs. You can also check for any known issues with the version that you are using.

zahmed
Cisco Employee
Cisco Employee

Could you capture "debug ppp nego" and "debug aaa authoriz" for an XP machine?

~Zulfi

slupetti
Level 1
Level 1

I have the same problem .Have you fix ?

The ppp debug display this :

Mar 1 00:34:14.899: As84 PPP: I pkt type 0x0021, datagramsize 97 link[ip]

Mar 1 00:34:14.899: As84 IP: Non-NCP packet, discarding

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