515E eth0 and eth1 not see each and other networks

I feel like a n00b here, but I am having trouble with something that should be simple, so note the following question as one asked with a sheepish smile...

Problem: I have a 515e Setup to authenticate on a DSL modem which provides me with a public IP address on the the 515e ethernet0. Of the 515e I ping the outside world.

I ethernet1 see an internal network 192.168.50.0, who answered the 515e as well.

Computers inside the 515e cannot see through to the outside, ping or whatever it is.

I guess I have configured my nat or bad overall, but from the documents that I read, they all assumed that you have more than one outside the IP to work with. I just need to get everyone inside and get them using the single IP address on the external interface. I'll also to the implementation of several VPN through this interface, is it not wise to use one for all?

Here is my config:

6.2 (2) version PIX

ethernet0 nameif outside security0

nameif ethernet1 inside the security100

nameif ethernet2 security10 intf2

activate the password * encrypted

passwd * encrypted

hostname YRPCI

domain yearroundpool.com

fixup protocol ftp 21

fixup protocol http 80

fixup protocol h323 h225 1720

fixup protocol h323 ras 1718-1719

fixup protocol they 389

fixup protocol rsh 514

fixup protocol rtsp 554

fixup protocol smtp 25

fixup protocol sqlnet 1521

fixup protocol sip 5060

fixup protocol 2000 skinny

names of

name Bluff_Outside x.x.x.x

acl_out permit tcp 192.168.50.0 access list 255.255.255.0 any

access-list acl_out permit icmp any one

ip access list acl_out permit a whole

access-list acl_in allow icmp a whole

inside_nat0_outbound 192.168.50.0 ip access list allow 255.255.255.0 host Bluff_Outside

outside_cryptomap_9 192.168.50.0 ip access list allow 255.255.255.0 host Bluff_Outside

pager lines 24

interface ethernet0 car

Auto interface ethernet1

Automatic stop of interface ethernet2

Outside 1500 MTU

Within 1500 MTU

intf2 MTU 1500

IP address outside pppoe setroute

IP address inside 192.168.50.1 255.255.255.0

intf2 IP address 127.0.0.1 255.255.255.255

alarm action IP verification of information

alarm action attack IP audit

location of PDM 192.168.50.0 255.255.255.255 inside

location of PDM Bluff_Outside 255.255.255.255 outside

history of PDM activate

ARP timeout 14400

Global 200 (external) interface

Global (inside) 192.168.50.8 - 192.168.50.254 100

NAT (inside) 0-list of access inside_nat0_outbound

NAT (inside) 0 0.0.0.0 0.0.0.0 0 0

Access-group acl_inbound in interface outside

acl_outbound access to the interface inside group

Timeout xlate 03:00

Timeout conn 01:00 half-closed 0:10:00 udp 0: CPP 02:00 0:10:00 h323:05:00

IP 0:30:00 sip_media 0:02:00

Timeout, uauth 0:05:00 absolute

enable floodguard

No sysopt route dnat

Crypto ipsec transform-set ESP-DES-SHA esp - esp-sha-hmac

outside_map 9 ipsec-isakmp crypto map

card crypto outside_map 9 match address outside_cryptomap_9

peer set card crypto outside_map 9 64.53.71.8

card crypto outside_map 9 game of transformation-ESP-DES-SHA

outside_map interface card crypto outside

SSH timeout 5

VPDN group pppoex request dialout pppoe

VPDN group pppoex localname *.

VPDN group ppp authentication pap pppoex

VPDN username * password *.

Thank you for your time in advance.

Dave

Hello

Indeed there is something wrong with your nat/global config:

remove these lines:

Global 200 (external) interface

Global (inside) 192.168.50.8 - 192.168.50.254 100

NAT (inside) 0-list of access inside_nat0_outbound

NAT (inside) 0 0.0.0.0 0.0.0.0 0 0

and replace them with these lines:

Global 200 (external) interface

NAT (inside) 0-list of access inside_nat0_outbound

NAT (inside) 200 0.0.0.0 0.0.0.0 0 0

"Nat (inside) 0" part of the VPN configuration.

What matters now are the "nat (outside) 200' and ' global (outside) 200" orders. "."

You should always have a pair of nat/global with the same id (= 200 in this case). All the inside addresses (0.0.0.0 0.0.0.0) will be the translation of the ip address of the external interface of the pix.

This will allow outside access all insiders of the Interior of the addresses (except icmp!).

If you want internal hosts to have full access to the outside, you can remove the access list «acl_out»

Kind regards

Tom

Tags: Cisco Security

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