natting with ASA 8.3

[hanwucisco]

ASA outside 192.168.1.50／２４,　ｏｕｔｓｉｄｅ　ｇａｔｅｗａｙ　ｉｓ　192.168.1.１.

inside 10.0.0.1

host 10.0.0.10

I am trying to map this host to an IP　ｔｈａｔ　ｉｓ　ｎｏｔ　ｃｕｒｒｅｎｔｌｙ　ｕｓｅｄ,　192.168.1.5７.

ｂｕｔ　ｉｔ　ｉｓ　ｎｏｔ　ｗｏｒｋｉｎｇ,　ｄｅｂｕｇｇｉｎｇ　ｏｆ　ｐｉｎｇ　ｆｒｏｍ　ｉｎｓｉｄｅ　ｈｏｓｔ　ｔｏ　ｔｈｅ　ｇａｔｅｗａｙ　ｓｈｏｗｓ　ａｓ　ｆｏｌｌｏｗ,　ａｎｙ　ｉｄｅａ?

＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝

ICMP echo request translating inside:10.0.0.10 to outside:192.168.1.57
ICMP echo request from inside:10.0.0.10 to outside:192.168.1.101 ID=63745 seq=1 len=56
ICMP echo request translating inside:10.0.0.10 to outside:192.168.1.57
ICMP echo request from inside:10.0.0.10 to outside:192.168.1.101 ID=63745 seq=2 len=56

＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝

interface Vlan1
nameif inside
security-level 100
ip address 10.0.0.1 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
ip address 192.168.1.50 255.255.255.0
!

interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
object network my-host-obj1
nat (inside,outside) static my-mapped-obj
access-group 101 in interface outside
route outside 0.0.0.0 0.0.0.0 192.168.1.1 1
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
timeout tcp-proxy-reassembly 0:01:00
dynamic-access-policy-record DfltAccessPolicy
http server enable
http 10.0.0.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
telnet 0.0.0.0 0.0.0.0 inside
telnet timeout 5
ssh timeout 5
console timeout 0

threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
webvpn

class-map inspection_default
match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
parameters
  message-length maximum client auto
  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 ip-options
  inspect netbios
  inspect rsh
  inspect rtsp
  inspect skinny
  inspect esmtp
  inspect sqlnet
  inspect sunrpc
  inspect tftp
  inspect sip
  inspect xdmcp
service-policy global_policy global
prompt hostname context

[varrao]

Hi Han,

This should be the statement,

object network Natted_ip

host 192.168.1.5

object network host_ip

host 10.0.0.10

nat (inside,outside) static Natted_ip

Alongwith the natting you should have an Acl as well.

access-list outside_access_in extended permit ip any host 10.0.0.10

access-group outside_access_in in interface outside

icmp permit any inside

icmp permit any outside

this should work for you.

Thanks,

Varun

[hanwucisco]

icmp permit any inside

icmp permit any outside

Iｊｕｓｔ　ｐｕｔ　ｔｈｅｓｅ　ｔｗｏ　ｃｏｍｍａｎｄｓ.　Ｉ　ａｌｓｏ　ｈａｖｅ　ｉｎｃｏｍｉｎｇ　ＡＣＬ　ｏｎ　ｔｈｅ　ｏｕｔｓｉｄｅ　ｉｎｔｅｒｆａｃｅ.

R==(outside 192.168.1.0/24)==ASA====Inside(10.0.0.X/24)

It is wild. from inside network, a computer, I CAN　ping Router's interface which is the gatewate. But I cannot ping another PCｏｎ　ｔｈｅ　ｓａｍｅ　ｓｕｂｅｔ　ｏｆ　ｔｈｅ　ｒｏｕｔｅｒ'ｓ　ｉｎｔｅｒｆａｃｅ.　Ｉcannot ping ASA's outside interface which is １９９.１６８.１.５０.　ｆｒｏｍ　ｔｈｅ　ＡＳＡ　Ｉcan ping the PC.

ｔｈａｎｋｓ,

Ｈａｎ

[varrao · Accepted solution]

Han,

This format is not at all readable

"   

Iｊｕｓｔ　ｐｕｔ　ｔｈｅｓｅ　ｔｗｏ　ｃｏｍｍａｎｄｓ.　Ｉ　ａｌｓｏ　ｈａｖｅ　ｉｎｃｏｍｉｎｇ　ＡＣＬ　ｏｎ　ｔｈｅ　ｏｕｔｓｉｄｅ　ｉｎｔｅｒｆａｃｅ.

R==(outside 192.168.1.0/24)==ASA====Inside(10.0.0.X/24)

It  is wild. from inside network, a computer, I CAN　ping Router's interface  which is the gatewate. But I cannot ping another  PCｏｎ　ｔｈｅ　ｓａｍｅ　ｓｕｂｅｔ　ｏｆ　ｔｈｅ　ｒｏｕｔｅｒ'ｓ　ｉｎｔｅｒｆａｃｅ.　Ｉcannot ping ASA's  outside interface which is １９９.１６８.１.５０.　ｆｒｏｍ　ｔｈｅ　ＡＳＡ　Ｉcan ping the PC.

ｔｈａｎｋｓ,

Ｈａｎ        

Could you post your reply again.

Thanks,

Varun

[hanwucisco]

Varun,

Ｎｅｖｅｒ　ｍｉｎｄ,　Ｉ　ｇｏｔ　ｉｔ.

ｔｈａｎｋｓ,

Ｈａｎ