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Cisco ASA 5505 Setup

Posted on 2008-11-03
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Last Modified: 2010-04-21
Hello,

I'm trying to setup a Cisco ASA 5505 and having problems.  I want to install the ASA between the switch and the Cisco router.  The router is connected to a T1.  The internet works fine without the ASA.  The gateway is 1xx.1xx.14.49, which I can ping.  Internal network is 192.168.1.0.  Attached is my running confing.  Please help!

: Saved
:
ASA Version 7.2(4)
!
hostname ciscoasa
domain-name workgroup
enable password skQS0/0Z4zC3EYEq encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
names
!
interface Vlan1
 nameif inside
 security-level 100
 ip address 192.168.1.1 255.255.255.0
!
interface Vlan2
 nameif outside
 security-level 0
 ip address 1xx.1xx.14.62 255.255.255.0
!
interface Ethernet0/0
 switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
ftp mode passive
dns server-group DefaultDNS
 domain-name workgroup
same-security-traffic permit intra-interface
access-list inside_access_in extended permit icmp any any
access-list inside_access_in extended permit ip any any
access-list outside_access_in extended permit icmp any any
access-list inside_access_out extended permit icmp any any
access-list inside_access_out extended permit ip any any
access-list outside_access_out extended permit icmp any any
pager lines 24
logging asdm informational
mtu outside 1500
mtu inside 1500
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-524.bin
no asdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 1 0.0.0.0 0.0.0.0
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
http server enable
http 192.168.1.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd auto_config outside
!
dhcpd address 192.168.1.10-192.168.1.129 inside
dhcpd enable inside
!

!
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
 parameters
  message-length maximum 512
policy-map global_policy
 class inspection_default
  inspect dns preset_dns_map
  inspect ftp
  inspect h323 h225
  inspect h323 ras
  inspect rsh
  inspect rtsp
  inspect esmtp
  inspect sqlnet
  inspect skinny
  inspect sunrpc
  inspect xdmcp
  inspect sip
  inspect netbios
  inspect tftp
  inspect icmp
!
service-policy global_policy global
prompt hostname context
Cryptochecksum:71e3df091f055a3dff0ca252f8b40b5e
: end
asdm image disk0:/asdm-524.bin
no asdm history enable
0
Comment
Question by:bkrull72
  • 2
3 Comments
 
LVL 43

Expert Comment

by:JFrederick29
ID: 22868356
You are missing a default route:

conf t
route outside 0.0.0.0 0.0.0.0 1xx.1xx.14.49
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LVL 43

Accepted Solution

by:
JFrederick29 earned 2000 total points
ID: 22868390
Oh, and it appears you are using the ASA for DHCP but are not sending DNS servers to your clients.  Add the following to your DHCP config:

conf t
dhcpd dns x.x.x.x y.y.y.y   <--where x.x.x.x and y.y.y.y are your ISP's DNS servers (unless you have internal).
0
 

Author Closing Comment

by:bkrull72
ID: 31512746
Missing DNS was the problem.  Thank you!
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