Hi  Complete configuration of asa5510 is: ciscoasa(config)# show running-config : Saved : ASA Version 8.2(5) ! hostname ciscoasa enable password 8Ry2YjIyt7RRXU24 encrypted passwd 2KFQnbNIdI.2KYOU encrypted names ! interface Ethernet0/0 shutdown no nameif no security-level no ip address ! interface Ethernet0/1 shutdown no nameif no security-level no ip address ! interface Ethernet0/2 nameif LAN security-level 90 ip address 192.168.1.1 255.255.255.0 ! interface Ethernet0/3 nameif WAN security-level 60 ip address 172.10.0.3  255.255.252.0 ! interface Management0/0 shutdown no nameif no security-level no ip address ! ftp mode passive pager lines 24 logging enable logging asdm informational mtu WAN 1500 mtu LAN 1500 no failover icmp unreachable rate-limit 1 burst-size 1 asdm image disk0:/asdm-645.bin no asdm history enable arp timeout 14400 route WAN 0.0.0.0 0.0.0.0 172.10.0.1 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 timeout floating-conn 0:00:00 dynamic-access-policy-record DfltAccessPolicy http server enable http 172.10.0.0 255.255.252.0 WAN 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 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 no call-home reporting anonymous call-home profile CiscoTAC-1 no active destination address http https://tools.cisco.com/its/service/oddce/services/DDCEService destination address email callhome@cisco.com destination transport-method http subscribe-to-alert-group diagnostic subscribe-to-alert-group environment subscribe-to-alert-group inventory periodic monthly subscribe-to-alert-group configuration periodic monthly subscribe-to-alert-group telemetry periodic daily Cryptochecksum:cdeae48234bbea3e4d267f47c1bee40a : end But i can not  ping interface ethernet 0/3 (172.10.0.3) and gateway (172.10.0.1) via LAN network. Log of ASDM is "routing failed to locate next hop for icmp from NP identity ifc:192.168.1.4/0 to LAN:WAN/0. Pl ... View more