03-24-2005 09:21 PM
Hello,
I have the following setup:
Corporate Network---->FW------>PERIMETER ROUTER(no vpn support)----->internet(dial up)------>MSvpnclient
I want to create the vpn tunnel between PIX FW & MSvpnclient(laptop user).
I have configured the PIX for pptp but somehow iam not able to achieve the ping to
the corporate network client machine sitting on the internet using a laptop(dial up).
1.Should I need vpn support on the perimeter router?
2.Should I need to add any route on the perimeter router?
3.Any guess whether iam missing anything in the PIX configuration?
Configuration is as follows.
PIX Version 6.3(4)
interface ethernet0 auto
interface ethernet1 auto
interface ethernet2 auto shutdown
nameif ethernet0 outside security0
nameif ethernet1 inside security100
nameif ethernet2 intf2 security4
enable password xxx
passwd xxx
fixup protocol dns maximum-length 512
fixup protocol ftp 21
fixup protocol h323 h225 1720
fixup protocol h323 ras 1718-1719
fixup protocol http 80
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol sip 5060
fixup protocol sip udp 5060
fixup protocol skinny 2000
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol tftp 69
access-list inside_outbound_nat0_acl permit ip any 192.168.70.48 255.255.255.248
access-list inside_outbound_nat0_acl permit ip any 10.1.1.0 255.255.255.224
access-list inside_outbound_nat0_acl permit ip any 10.1.1.24 255.255.255.248
pager lines 24
icmp permit any inside
mtu outside 1500
mtu inside 1500
mtu intf2 1500
ip address outside x.x.x.x 255.255.255.240
ip address inside 192.168.50.11 255.255.255.0
no ip address intf2
ip audit info action alarm
ip audit attack action alarm
ip local pool vpnpool 192.168.70.50-192.168.70.55
global (outside) 10 interface
nat (inside) 0 access-list inside_outbound_nat0_acl
nat (inside) 10 0.0.0.0 0.0.0.0 0 0
rip inside default version 2
route outside 0.0.0.0 0.0.0.0 203.199.128.241 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout uauth 0:05:00 absolute
aaa-server TACACS+ protocol tacacs+
aaa-server TACACS+ max-failed-attempts 3
aaa-server TACACS+ deadtime 10
aaa-server RADIUS protocol radius
aaa-server RADIUS max-failed-attempts 3
aaa-server RADIUS deadtime 10
aaa-server LOCAL protocol local
no snmp-server location
no snmp-server contact
snmp-server community public
no snmp-server enable traps
floodguard enable
sysopt connection permit-pptp
crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac
isakmp enable outside
console timeout 0
vpdn group PPTP-VPDN-GROUP accept dialin pptp
vpdn group PPTP-VPDN-GROUP ppp authentication pap
vpdn group PPTP-VPDN-GROUP ppp authentication chap
vpdn group PPTP-VPDN-GROUP ppp authentication mschap
vpdn group PPTP-VPDN-GROUP ppp encryption mppe 40
vpdn group PPTP-VPDN-GROUP client configuration address local vpnpool
vpdn group PPTP-VPDN-GROUP pptp echo 60
vpdn group PPTP-VPDN-GROUP client authentication local
vpdn username VPN password *********
vpdn enable outside
dhcpd lease 3600
dhcpd ping_timeout 750
dhcpd auto_config outside
dhcpd enable inside
terminal width 80
Thanks..
Sack
03-25-2005 04:37 AM
Hi,
On the Pix config, add the following commands on the config mode:
isakmp nat-t 20
man i
On the perimeter router make sure that the udp port 500 and 4500 is opened, if not add acl that permits the same.
Hope this shud fix the issue..:)
for further questions, reach me at shwetajuneja@hotmail.com
03-26-2005 11:34 PM
Sack,
The inside ip address on your PIX is 192.168.50.11/24 and your vpnpool is from 192.168.70.50 to 192.168.70.55 which is in a different network. That is why you cannot ping.
Colin
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