Cisco-Asa
兩個 ASA 5505 之間的站點到站點 VPN 僅在一個方向上工作
我正在第一次設置遠端辦公室，並且一直在嘗試在分支機構和總部之間建立站點到站點的 VPN。我使用 ADSM 界面中的 Site-to-Site VPN 嚮導來設置鏈路的兩端，它似乎工作正常。
添加防火牆規則以允許 ICMP 後，我可以完美地從遠端辦公室 ping、ssh、瀏覽器等到總辦公室的機器。但是，我無法從主辦公室訪問遠端辦公室中的任何機器。
數據包跟踪器工具顯示允許來自遠端網路的 IP 和 ICMP 數據包，但 syslog 顯示連接立即斷開，並且沒有生成返回流量。
網路配置：
192.168.0.0/24 <–> ASA 5505 <–> 網際網路 <–> ASA 5505 <–> 192.168.129.0/24
這是
running-config遠端辦公室中 ASA 匿名化的相關資訊。: Saved : ASA Version 8.2(5) ! names name 192.168.0.0 home-office-inside ! 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 192.168.129.1 255.255.255.0 ! interface Vlan2 nameif outside security-level 0 ip address REMOTE_OFFICE_EXTERNAL_IP 255.255.255.0 ! ftp mode passive dns server-group DefaultDNS object-group protocol DM_INLINE_PROTOCOL_1 protocol-object ip protocol-object icmp access-list outside_1_cryptomap extended permit ip 192.168.129.0 255.255.255.0 home-office-inside 255.255.255.0 access-list inside_nat0_outbound extended permit ip 192.168.129.0 255.255.255.0 home-office-inside 255.255.255.0 access-list outside_access_in extended permit object-group DM_INLINE_PROTOCOL_1 home-office-inside 255.255.255.0 192.168.129.0 255.255.255.0 pager lines 24 logging enable logging asdm debugging mtu inside 1500 mtu outside 1500 icmp unreachable rate-limit 1 burst-size 1 no asdm history enable arp timeout 14400 global (outside) 1 interface nat (inside) 0 access-list inside_nat0_outbound nat (inside) 1 0.0.0.0 0.0.0.0 access-group outside_access_in in interface outside route outside 0.0.0.0 0.0.0.0 REMOTE_OFFICE_EXTERNAL_IP 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 192.168.129.0 255.255.255.0 inside no snmp-server location no snmp-server contact snmp-server enable traps snmp authentication linkup linkdown coldstart crypto ipsec transform-set ESP-AES-128-SHA esp-aes esp-sha-hmac crypto ipsec transform-set ESP-AES-128-MD5 esp-aes esp-md5-hmac crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac crypto ipsec transform-set ESP-AES-256-SHA esp-aes-256 esp-sha-hmac crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac crypto ipsec transform-set ESP-DES-SHA esp-des esp-sha-hmac crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac crypto ipsec security-association lifetime seconds 28800 crypto ipsec security-association lifetime kilobytes 4608000 crypto map outside_map 1 match address outside_1_cryptomap crypto map outside_map 1 set pfs group1 crypto map outside_map 1 set peer HOME_OFFICE_EXTERNAL_IP crypto map outside_map 1 set transform-set ESP-3DES-SHA crypto map outside_map interface outside crypto ca trustpoint _SmartCallHome_ServerCA crl configure crypto ca certificate chain _SmartCallHome_ServerCA certificate ca 6ecc7aa5a7032009b8cebcf4e952d491 308205ec 308204d4 a0030201 0202106e cc7aa5a7 032009b8 cebcf4e9 52d49130 0d06092a 864886f7 0d010105 05003081 ca310b30 09060355 04061302 55533117 30150603 55040a13 0e566572 69536967 6e2c2049 6e632e31 1f301d06 0355040b 13165665 72695369 676e2054 72757374 204e6574 776f726b 313a3038 06035504 0b133128 63292032 30303620 56657269 5369676e 2c20496e 632e202d 20466f72 20617574 686f7269 7a656420 75736520 6f6e6c79 31453043 06035504 03133c56 65726953 69676e20 436c6173 73203320 5075626c 69632050 72696d61 72792043 65727469 66696361 74696f6e 20417574 686f7269 7479202d 20473530 1e170d31 30303230 38303030 3030305a 170d3230 30323037 32333539 35395a30 81b5310b 30090603 55040613 02555331 17301506 0355040a 130e5665 72695369 676e2c20 496e632e 311f301d 06035504 0b131656 65726953 69676e20 54727573 74204e65 74776f72 6b313b30 39060355 040b1332 5465726d 73206f66 20757365 20617420 68747470 733a2f2f 7777772e 76657269 7369676e 2e636f6d 2f727061 20286329 3130312f 302d0603 55040313 26566572 69536967 6e20436c 61737320 33205365 63757265 20536572 76657220 4341202d 20473330 82012230 0d06092a 864886f7 0d010101 05000382 010f0030 82010a02 82010100 b187841f c20c45f5 bcab2597 a7ada23e 9cbaf6c1 39b88bca c2ac56c6 e5bb658e 444f4dce 6fed094a d4af4e10 9c688b2e 957b899b 13cae234 34c1f35b f3497b62 83488174 d188786c 0253f9bc 7f432657 5833833b 330a17b0 d04e9124 ad867d64 12dc744a 34a11d0a ea961d0b 15fca34b 3bce6388 d0f82d0c 948610ca b69a3dca eb379c00 48358629 5078e845 63cd1941 4ff595ec 7b98d4c4 71b350be 28b38fa0 b9539cf5 ca2c23a9 fd1406e8 18b49ae8 3c6e81fd e4cd3536 b351d369 ec12ba56 6e6f9b57 c58b14e7 0ec79ced 4a546ac9 4dc5bf11 b1ae1c67 81cb4455 33997f24 9b3f5345 7f861af3 3cfa6d7f 81f5b84a d3f58537 1cb5a6d0 09e4187b 384efa0f 02030100 01a38201 df308201 db303406 082b0601 05050701 01042830 26302406 082b0601 05050730 01861868 7474703a 2f2f6f63 73702e76 65726973 69676e2e 636f6d30 12060355 1d130101 ff040830 060101ff 02010030 70060355 1d200469 30673065 060b6086 480186f8 45010717 03305630 2806082b 06010505 07020116 1c687474 70733a2f 2f777777 2e766572 69736967 6e2e636f 6d2f6370 73302a06 082b0601 05050702 02301e1a 1c687474 70733a2f 2f777777 2e766572 69736967 6e2e636f 6d2f7270 61303406 03551d1f 042d302b 3029a027 a0258623 68747470 3a2f2f63 726c2e76 65726973 69676e2e 636f6d2f 70636133 2d67352e 63726c30 0e060355 1d0f0101 ff040403 02010630 6d06082b 06010505 07010c04 61305fa1 5da05b30 59305730 55160969 6d616765 2f676966 3021301f 30070605 2b0e0302 1a04148f e5d31a86 ac8d8e6b c3cf806a d448182c 7b192e30 25162368 7474703a 2f2f6c6f 676f2e76 65726973 69676e2e 636f6d2f 76736c6f 676f2e67 69663028 0603551d 11042130 1fa41d30 1b311930 17060355 04031310 56657269 5369676e 4d504b49 2d322d36 301d0603 551d0e04 1604140d 445c1653 44c1827e 1d20ab25 f40163d8 be79a530 1f060355 1d230418 30168014 7fd365a7 c2ddecbb f03009f3 4339fa02 af333133 300d0609 2a864886 f70d0101 05050003 82010100 0c8324ef ddc30cd9 589cfe36 b6eb8a80 4bd1a3f7 9df3cc53 ef829ea3 a1e697c1 589d756c e01d1b4c fad1c12d 05c0ea6e b2227055 d9203340 3307c265 83fa8f43 379bea0e 9a6c70ee f69c803b d937f47a 6decd018 7d494aca 99c71928 a2bed877 24f78526 866d8705 404167d1 273aeddc 481d22cd 0b0b8bbc f4b17bfd b499a8e9 762ae11a 2d876e74 d388dd1e 22c6df16 b62b8214 0a945cf2 50ecafce ff62370d ad65d306 4153ed02 14c8b558 28a1ace0 5becb37f 954afb03 c8ad26db e6667812 4ad99f42 fbe198e6 42839b8f 8f6724e8 6119b5dd cdb50b26 058ec36e c4c875b8 46cfe218 065ea9ae a8819a47 16de0c28 6c2527b9 deb78458 c61f381e a4c4cb66 quit crypto isakmp enable outside crypto isakmp policy 10 authentication crack encryption aes-256 hash sha group 2 lifetime 86400 crypto isakmp policy 20 authentication rsa-sig encryption aes-256 hash sha group 2 lifetime 86400 crypto isakmp policy 30 authentication pre-share encryption aes-256 hash sha group 2 lifetime 86400 crypto isakmp policy 40 authentication crack encryption aes-192 hash sha group 2 lifetime 86400 crypto isakmp policy 50 authentication rsa-sig encryption aes-192 hash sha group 2 lifetime 86400 crypto isakmp policy 60 authentication pre-share encryption aes-192 hash sha group 2 lifetime 86400 crypto isakmp policy 70 authentication crack encryption aes hash sha group 2 lifetime 86400 crypto isakmp policy 80 authentication rsa-sig encryption aes hash sha group 2 lifetime 86400 crypto isakmp policy 90 authentication pre-share encryption aes hash sha group 2 lifetime 86400 crypto isakmp policy 100 authentication crack encryption 3des hash sha group 2 lifetime 86400 crypto isakmp policy 110 authentication rsa-sig encryption 3des hash sha group 2 lifetime 86400 crypto isakmp policy 120 authentication pre-share encryption 3des hash sha group 2 lifetime 86400 crypto isakmp policy 130 authentication crack encryption des hash sha group 2 lifetime 86400 crypto isakmp policy 140 authentication rsa-sig encryption des hash sha group 2 lifetime 86400 crypto isakmp policy 150 authentication pre-share encryption des hash sha group 2 lifetime 86400 console timeout 0 management-access inside webvpn tunnel-group HOME_OFFICE_EXTERNAL_IP type ipsec-l2l tunnel-group HOME_OFFICE_EXTERNAL_IP ipsec-attributes pre-shared-key ***** ! ! prompt hostname context call-home reporting anonymous Cryptochecksum:3c89126626c8cf20595de1fb57b759b8 : end asdm location home-office-inside 255.255.255.0 inside no asdm history enable
您沒有 192.168.0.0/24 子網的訪問列表。因此，您沒有有效負載，並且隧道在第 2 階段完成後幾乎立即崩潰。
access-list inside_nat0_outbound extended permit ip 192.168.129.0 255.255.255.0 192.168.0.0 255.255.255.0