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Failed to locate egress interface

ldrozdzowski
Level 1
Level 1

Dear all,

I have small problem with my ASA router. I just wan't to make port forwarding from inside to internet to have access with TightVNC from internet to my computer. With below configuration I receive information "Failed to locate egress interface". Can You halp me to solve the problem? My ASA is 9.2(4) version and ASDM 7.6(2). Configuration is like below:

Result of the command: "show running-config"

: Saved
:
: Serial Number: JMX173040UK
: Hardware:   ASA5505, 512 MB RAM, CPU Geode 500 MHz
:
ASA Version 9.2(4)
!
hostname ciscoasa
enable password 72Q4zxB61lVnjdk7 encrypted
names
!
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
!
interface Vlan1
 nameif inside
 security-level 100
 ip address 192.168.100.51 255.255.255.0
!
interface Vlan2
 nameif outside
 security-level 0
 ip address 85.84.102.188 255.255.255.248
!
ftp mode passive
object service Port5900
 service tcp source eq 5900 destination eq 5900
object network Port5800
 host 192.168.100.50
object network Port5901
 host 192.168.100.50
object network Port8080
 host 192.168.100.50
object-group protocol DM_INLINE_PROTOCOL_1
 protocol-object ip
 protocol-object udp
 protocol-object tcp
object-group protocol DM_INLINE_PROTOCOL_2
 protocol-object ip
 protocol-object udp
 protocol-object tcp
object-group protocol DM_INLINE_PROTOCOL_3
 protocol-object ip
 protocol-object udp
 protocol-object tcp
object-group protocol DM_INLINE_PROTOCOL_4
 protocol-object ip
 protocol-object udp
 protocol-object tcp
access-list inside_access_in extended permit object-group DM_INLINE_PROTOCOL_2 192.168.100.0 255.255.255.0 85.84.102.184 255.255.255.248
access-list outside_access_in extended permit object-group DM_INLINE_PROTOCOL_1 85.84.102.184 255.255.255.248 192.168.100.0 255.255.255.0
access-list outside_access_in extended permit object-group DM_INLINE_PROTOCOL_3 host 85.84.102.185 host 85.84.102.188
access-list outside_access_in extended permit object-group DM_INLINE_PROTOCOL_4 any host 192.168.100.50
pager lines 24
logging enable
logging asdm informational
mtu inside 1500
mtu outside 1500
icmp unreachable rate-limit 1 burst-size 1
no asdm history enable
arp timeout 14400
no arp permit-nonconnected
!
object network Port5800
 nat (inside,outside) static interface service tcp 5800 5800
object network Port5901
 nat (inside,outside) static interface service tcp 5900 5900
object network Port8080
 nat (inside,outside) static interface service tcp 8080 8080
access-group inside_access_in in interface inside
access-group outside_access_in in interface outside
route outside 0.0.0.0 0.0.0.0 85.84.102.185 255
timeout xlate 3:00:00
timeout pat-xlate 0:00:30
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
timeout floating-conn 0:00:00
dynamic-access-policy-record DfltAccessPolicy
user-identity default-domain LOCAL
http server enable
http 85.84.102.187 255.255.255.255 outside
http 192.168.100.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
crypto ipsec security-association pmtu-aging infinite
crypto ca trustpool policy
telnet timeout 5
no ssh stricthostkeycheck
ssh timeout 5
ssh key-exchange group dh-group1-sha1
console timeout 0

dhcpd auto_config outside
!
threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
!
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 rsh
  inspect rtsp
  inspect esmtp
  inspect sqlnet
  inspect skinny  
  inspect sunrpc
  inspect xdmcp
  inspect sip  
  inspect netbios
  inspect tftp
  inspect ip-options
!
service-policy global_policy global
prompt hostname context
no call-home reporting anonymous
Cryptochecksum:6b2fee3c03f93561781b0728dbe07a69
: end

Thank You in advance for help

Regards

Lukasz

3 Replies 3

Richard Burts
Hall of Fame
Hall of Fame

I believe that your issue is that you apply weight of 255 for your default route.

route outside 0.0.0.0 0.0.0.0 85.84.102.185 255

Try applying some lower weight and tell us if the behavior changes.

HTH

Rick

HTH

Rick

Thank You Richard for Your help. Yesterday afternoon we found where is problem. There was a MAC pairing on external router. When I changed Siemens Scalance to Cisco ASA, with the same configuration, I lost connection. Today I'll make additional test to confirm if configuration is OK.

Thank you for the additional information. The MAC pairing may well be part of the problem. I continue to believe that the weight applied to the default route is also part of the problem. Please do let us know the results of your additional testing.

HTH

Rick

HTH

Rick
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