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VPN

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NonoRobot

IS-IT--Management
Jun 6, 2001
3
CA
I configured my PIX to accept PPTP connections from the outside (VPN Tunneling), i get authenticated by the PIX & i also get my IP address, but i can't ping any hosts inside the network.

Why ? What's wrong with my PIX's configuration ?

PIX Version 6.1(1)
nameif ethernet0 outside security0
nameif ethernet1 inside security100
enable password TcxqH42fNBN0RDa0 encrypted
passwd TcxqH42fNBN0RDa0 encrypted
fixup protocol ftp 21
fixup protocol http 80
fixup protocol h323 1720
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol sip 5060
fixup protocol skinny 2000
names
access-list vpn permit ip 192.168.0.0 255.255.255.0 10.1.1.0 255.255.255.0
pager lines 24
logging on
interface ethernet0 auto
interface ethernet1 auto
mtu outside 1500
mtu inside 1500
ip address outside 206.xxx.xxx.xxx 255.255.255.248
ip address inside 192.168.0.4 255.255.255.0
ip audit info action alarm
ip audit attack action alarm
ip local pool pptp-pool 10.1.1.1-10.1.1.254
pdm history enable
arp timeout 14400
global (outside) 1 206.xxx.xxx.xxx
nat (inside) 0 access-list vpn
nat (inside) 1 192.168.0.0 255.255.255.0 0 0
access-group 101 in interface outside
conduit permit icmp any any
rip inside default version 1
route outside 0.0.0.0 0.0.0.0 206.xxx.xxx.xxx 1
route inside 10.0.0.0 255.0.0.0 192.168.0.2 1
route inside 172.0.0.0 255.224.0.0 192.168.0.2 1
route inside 192.9.200.0 255.255.255.0 192.168.0.2 1
route inside 192.168.0.0 255.255.0.0 192.168.0.2 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h323 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 RADIUS protocol radius
no snmp-server location
no snmp-server contact
snmp-server community public
no snmp-server enable traps
floodguard enable
sysopt connection permit-pptp
no sysopt route dnat
telnet 192.168.0.0 255.255.255.0 inside
telnet 192.9.200.0 255.255.255.0 inside
telnet timeout 15
ssh timeout 5
vpdn group 1 accept dialin pptp
vpdn group 1 ppp authentication mschap
vpdn group 1 client configuration address local pptp-pool
vpdn group 1 pptp echo 60
vpdn group 1 client authentication local
vpdn username xxxxxx password xxxxxxxx
vpdn username xxxxxx password xxxxxxxx
vpdn username xxxxxx password xxxxxxxx
vpdn enable outside
terminal width 80
Cryptochecksum:88705d864a966da92e27aa53f34a86fb
 
HI!

Your PIX configuration seems find to me.

Check for routing problems -
Is the PIX the default gateway on the other hosts?
Try not only pinging but also telnet, http and so.
Try pinging from inside to VPN or vice versa.

Use this command to see what happens:
logging buffer 7
and then:
show log
(Or use syslog level 7 or other debug techniqe).

Tell us what you've found.

Bye
Yizhar Hurwitz
 
hi,
Just incase you didnt get an answer yet. You have a route to the 10.0.0.0/8 network via 192.168.0.2 but your pptp pool is within this subnet. So you need to add a route on 192.168.0.2 to the 10.1.1.0/24 network via the inside interface of your PIX.
Paul.
 
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