Issue of Interface VPN basics
Hello
I'm new in the world of virtual private networks and Tunnel interfaces please bear with me. I have a few questions:
1. If the source of the tunnel is the source package tunnel and the destination, the destination ip address, right? So what you should be an IP address on the interface for? Just for the ping?
2. why you specify as a source of the tunnel closure? Should not be the output interface the packet goes to the remote peer on?
3. Thus, when using the tunnel is based on roads, you put in right? (and packages IPSEC real if you use IPSEC are the source of tunnel/dest that envelop the package you send) As you say if you want to get to the Xe subnet, then you put in a static route with the gateway as the tunnel interface?
4. how these bad boys send multicast on IPSEC? It encapsulates the packets with a unicast IP packet and put it in IPSEC? Or it uses GRE and not what it says?
Take a look at literature more. 15.2 IOS onfiguraitong guide should be a good starting point, also the CCIE/CCNP security gear.
(1) you create a link point to point (or multipoint). The IP address used in framerelay of GRE is used only for the aspirant? ;-) Your assumtpions source and destination are correct.
(2) telesignalisations never go down. Another advantage of telesignalisations is that they do not use the evacuation of interfaces IP addressing, which can sometimes be used for redundancy. (i.e. send packets through two different links).
(3) I think you're right, even if the sentence is a little odd.
(4) since you mentioned, if the packets are directed through the interface, they can be encapsulated. IPsec with logical interfaces in this sense does not a voluntary decision. It must encapsulate mcast/unicast as the time he points out this interface (at least in the case of VTI or GRE).
Tags: Cisco Security
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version 12.4
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tcp KeepAlive-component snap-in service
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TP-self-signed-860329787 crypto pki certificate chain
certificate self-signed 01
308201B 5 A0030201 02020101 3082024C 300 D 0609 2A 864886 F70D0101 04050030
2 060355 04031325 494F532D 53656 C 66 2 AND 536967 6E65642D 43657274 30312E30
69666963 38363033 32393738 37301E17 313031 31313130 32313934 0D 6174652D
345A170D 2E302C06 1325494F 03550403 32303031 30313030 30303030 5A 303031
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5AD0ED97 B7D8212F E99AB991 36D0B172 538D D68B8746 51650BAC 17256811 1639
80AB4344 B40FCDD1 B64B7011 49F90515 E2AD7346 4B1F1E5D 20F7D5F5 6B0AC5A8
CF 255 444 1C29392E 634F9611 CF5761ED B873C63F 95B04B0D 38760A1B F6A5667B
02030100 01A 37630 03551 D 13 74300F06 0101FF04 05300301 01FF3021 0603551D
11041A 30 726D656C 18821677 67772E79 6F757264 6F6D6169 6E2E636F 6D301F06
03551 D 23 80145FE0 04183016 D5554371 95D2A995 956BBCB2 0686 C 313 A06B301D
0603551D 0E041604 145FE0D5 D2A99595 55437195 6BBCB206 86C313A0 6B300D06
092A 8648 01040500 03818100 245311 1 A9BBA0F4 66D3A9BA 6D8AF2FD 86F70D01
45785 D 42 3496AF0B B5513CDE 3B3CBFB3 D258E2F9 581442 3 A73E063F E9B071E5
21E5CF80 FA0D717F 8A6F5202 BB88C26C A6D3A559 BA520562 CA 9 08447 0DB28B33
5BBDC1D4 86EA654F 3AFEA64D 8BA13738 14952C7A 0FB76D7A 2B47883A 27DCB43B
7DA80B53 8D98010E A 451, 2949 CBCE63A7
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control plan
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local connection
no activation of the modem
telnet output transport
line to 0
local connection
telnet output transport
line vty 0 4
privilege level 15
local connection
transport input telnet ssh
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endYou want to reach10.1.1.0 and 10.2.1.0
The router has this route:
IP route 10.1.0.0 255.255.0.0 10.2.1.254
and this interface:
interface Vlan1
10.2.1.1 IP address 255.255.255.0This means that so that the VPN client reach 10.1.0.0/24, you need a route from the pool of VPN on the device 10.2.1.254 (guess another router).
Also, please make sure that you have made the changes the ACL in my first post.
I'm not sure I understand this: "
just let you know that 10.2.1.0 is the direct network and there is between 10.2.1.0 and 10.1.1.0 ipsec tunnel (perhaps help) "
So far I see 10.1.1.0 is accessible through 10.2.1.254, if you need a route to the router to reach the VPN pool.
Example of route on 10.2.1.254:
IP 10.2.1.x MASK 10.2.1.1--> road road to join the VPN pool inside the router IP
Federico.
-
First of all, it seems to me that if your DSL modem is a router, also. You run two routers to a string. This isn't really a good idea. He usually makes things more complicated.
I would say one of these two options in this case:
1. turn the mode DSL modem. In this mode, it functions as a normal modem, i.e. This disables the router to the DSL modem. Then configure the WRT to connect to your ISP (probably via PPPoE for which you need the user name and password).
2. let the ADSL modem in router mode. Use the WRT as an access point. Basically, turn on the WRT DHCP server and connect it to a LAN port instead of the internet port. Assign the WRT an IP address in your router DSL, LAN, for example 192.168.0.2, but make sure that the DSL modem is not using this IP address
I would recommend 1.
In addition, the network LAN IP on both sides must be different. If your desktop is running 192.168.1.0/255.255.255.0 you cannot run your LAN on the same network. Routing would be impossible because the computer cannot determine if an address 192.168.1.100 belongs to your network or connected network.
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The next question of qos that I have problems understanding...
First of all, let me tell you my purpose: what im will succeed to achieve QoS tag VoIP traffic from the ISP coming into the interface of the router as EF so we can do internal QoS on the internal switches of clients - incoming traffic from the ISP has no qos marking.
The installer until now:
Have set up a rule to mark the VoIP traffic entering (101110 = DSCP 46) on a particular interface on a router. Something like this:
VoIP LAN traffic in-> fa0 / 1-> VoIP traffic leaving the tag and priority and sent to the ISP (fa0/1 is the interface that connects to the ISP)
My question is will this port fa0/1 also mark the return of my ISP received WAN traffic? -made my inbound rule on fa0/1 tag both traffic entering from the side LAN and traffic entering from the side WAN? Or should I look for when marking traffic entering the ISP also as on fa1/1 which is the trunk to the switch...
Thank you
Jono Bedford
Auckland, New Zealand.
The behavior of the switch, QoS-based trusts already brand traffic and score only traffic penetration. So, if a brand of the router, the switch evacuation approves it. If no brand of router, traffic will get brand on the route of entry of the switch.
-Tom
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Hello.
I have a question about a connection between an asa5505-sec-bun-k9 (who acts as easy VPN client) and an EASY VPN server.
The connection with the easy VPN server is OK, but I can't connect to the internet and create VPN for my ASA5505 connections when I activated the feature.
Is this a normal phenomenon with Easy VPN active customer?
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you are not sure if it's possible/Device asa 5550 - but a customer can establish SSL VPN to the remote network and devices on the local network to access remote network printers?
so you have a network client that creates an SSL VPN to network B network B configurable so that the automatic work met the same vpn ssl to a different IP address?
I don't know if its just me, but I don't understand what you mean with that:
so you have a network client that creates an SSL VPN to network B network B configurable so that the automatic work met the same vpn ssl to a different IP address?
You can try to explain once more?
Now I think tell you the following, please look at this:
HQ - ASA - INTERNET - office2
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Cannot access any internal IPs when you are connected by VPN to ASA5505
Hello
I was able to configure VPN to work a bit on my ASA 5505. I can connect to the VPN and ping some IP addresses within the network. But some IPs don't react, I get "Request Timed Out"
For example:
10.10.0.4 - it works
10.10.0.5 - is not word
10.10.0.10 - it works
10.10.0.11 - it works
10.10.0.13 - does not workIf I ping from the network internally, all works well.
Does anyone have recommendations on how to address the issue?
VPN is the marking of the packages in a way that would trigger a firewall block?
It is the configuration of my ASA:
VPN with the name 'VPN-Remote' is the one I use.
ASA Version 9.2(2)4 ! hostname ciscoasa enable password NuLKvvWGg.x9HEKO encrypted passwd NuLKvvWGg.x9HEKO encrypted names ip local pool RA_VPN 10.10.1.1-10.10.1.255 mask 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 ! interface Vlan1 nameif inside security-level 100 ip address 10.10.0.1 255.255.255.0 ! interface Vlan2 nameif outside security-level 0 ip address dhcp setroute ipv6 enable ! boot system disk0:/asa922-4-k8.bin ftp mode passive clock timezone CST -6 clock summer-time CDT recurring same-security-traffic permit inter-interface same-security-traffic permit intra-interface object network obj_any subnet 0.0.0.0 0.0.0.0 object network INSIDE-SUBNET object network sb-service-80 host 10.10.0.143 object network sbservicetest object network sb-service-443 host 10.10.0.143 object network dvr_web host 10.10.0.30 object service DVR-Tomcat_port service tcp source eq 8080 destination eq 8080 object network NETWORK_OBJ_10.10.1.0_24 subnet 10.10.1.0 255.255.255.0 object network dvr_mobile host 10.10.0.30 object service DVR-Mobile_port service tcp source eq 18004 destination eq 18004 object network WAN host 98.195.48.88 object service Web80 service tcp source eq www destination eq www object network NETWORK_OBJ_10.10.2.0_24 subnet 10.10.2.0 255.255.255.0 object network NETWORK_OBJ_10.10.0.0_24 subnet 10.10.0.0 255.255.255.0 object-group network sb-service network-object object sb-service-443 network-object object sb-service-80 object-group network DVR-service network-object object dvr_web network-object object dvr_mobile object-group protocol TCPUDP protocol-object udp protocol-object tcp access-list outside_access_in extended permit icmp any any access-list inside_access_in extended permit ip any any access-list inside_access_in extended permit icmp any any inactive access-list Outside_access_in extended permit tcp any object sb-service-80 eq www access-list Outside_access_in extended permit tcp any object sb-service-443 eq https log disable access-list Outside_access_in extended permit tcp any object dvr_web eq 8080 log disable access-list Outside_access_in extended permit tcp any object dvr_mobile eq 18004 log disable access-list Outside_access_in extended permit icmp any any time-exceeded access-list Outside_access_in extended permit icmp any any unreachable log warnings access-list Outside_access_in extended permit icmp any any echo-reply access-list Outside_access_in extended permit icmp any any source-quench access-list global_mpc extended permit ip any any access-list RA_VPN-ACL extended permit ip object NETWORK_OBJ_10.10.2.0_24 any access-list Remote-VPN_splitTunnelAcl standard permit 10.10.0.0 255.255.255.0 access-list AnyConnect_Client_Local_Print extended deny ip any4 any4 access-list AnyConnect_Client_Local_Print extended permit tcp any4 any4 eq lpd access-list AnyConnect_Client_Local_Print remark IPP: Internet Printing Protocol access-list AnyConnect_Client_Local_Print extended permit tcp any4 any4 eq 631 access-list AnyConnect_Client_Local_Print remark Windows' printing port access-list AnyConnect_Client_Local_Print extended permit tcp any4 any4 eq 9100 access-list AnyConnect_Client_Local_Print remark mDNS: multicast DNS protocol access-list AnyConnect_Client_Local_Print extended permit udp any4 host 224.0.0.251 eq 5353 access-list AnyConnect_Client_Local_Print remark LLMNR: Link Local Multicast Name Resolution protocol access-list AnyConnect_Client_Local_Print extended permit udp any4 host 224.0.0.252 eq 5355 access-list AnyConnect_Client_Local_Print remark TCP/NetBIOS protocol access-list AnyConnect_Client_Local_Print extended permit tcp any4 any4 eq 137 access-list AnyConnect_Client_Local_Print extended permit udp any4 any4 eq netbios-ns pager lines 24 logging enable logging asdm notifications no logging message 106015 no logging message 313001 no logging message 313008 no logging message 106023 no logging message 710003 no logging message 106100 no logging message 302015 no logging message 302014 no logging message 302013 no logging message 302018 no logging message 302017 no logging message 302016 no logging message 302021 no logging message 302020 flow-export destination inside 10.10.0.111 2055 mtu inside 1500 mtu outside 1500 no failover icmp unreachable rate-limit 1 burst-size 1 asdm image disk0:/asdm-731.bin no asdm history enable arp timeout 14400 no arp permit-nonconnected nat (any,any) source static NETWORK_OBJ_10.10.1.0_24 NETWORK_OBJ_10.10.1.0_24 ! object network obj_any nat (inside,outside) dynamic interface object network sb-service-80 nat (inside,outside) static interface no-proxy-arp service tcp www www object network sb-service-443 nat (inside,outside) static interface no-proxy-arp service tcp https https object network dvr_web nat (inside,outside) static interface no-proxy-arp service tcp 8080 8080 object network dvr_mobile nat (inside,outside) static interface no-proxy-arp service tcp 18004 18004 ! nat (inside,outside) after-auto source dynamic any interface inactive access-group inside_access_in in interface inside access-group Outside_access_in in interface outside 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 aaa authentication ssh console LOCAL http server enable http 10.10.0.0 255.255.255.0 inside http 0.0.0.0 0.0.0.0 outside snmp-server group snmp_g v3 auth snmp-server user snmp_u snmp_g v3 encrypted auth md5 1d:1b:67:96:29:9b:5c:49:42:d5:a4:10:13:e0:b2:ee snmp-server host inside 10.10.0.111 community ***** version 2c no snmp-server location no snmp-server contact snmp-server community ***** crypto ipsec ikev1 transform-set ESP-AES-128-SHA esp-aes esp-sha-hmac crypto ipsec ikev1 transform-set ESP-AES-128-MD5 esp-aes esp-md5-hmac crypto ipsec ikev1 transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac crypto ipsec ikev1 transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac crypto ipsec ikev1 transform-set ESP-AES-256-SHA esp-aes-256 esp-sha-hmac crypto ipsec ikev1 transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac crypto ipsec ikev1 transform-set ESP-3DES-SHA esp-3des esp-sha-hmac crypto ipsec ikev1 transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac crypto ipsec ikev1 transform-set ESP-DES-SHA esp-des esp-sha-hmac crypto ipsec ikev1 transform-set ESP-DES-MD5 esp-des esp-md5-hmac crypto ipsec ikev1 transform-set ESP-AES-128-SHA-TRANS esp-aes esp-sha-hmac crypto ipsec ikev1 transform-set ESP-AES-128-SHA-TRANS mode transport crypto ipsec ikev1 transform-set ESP-DES-SHA-TRANS esp-des esp-sha-hmac crypto ipsec ikev1 transform-set ESP-DES-SHA-TRANS mode transport crypto ipsec ikev1 transform-set ESP-AES-192-SHA-TRANS esp-aes-192 esp-sha-hmac crypto ipsec ikev1 transform-set ESP-AES-192-SHA-TRANS mode transport crypto ipsec ikev1 transform-set ESP-AES-256-SHA-TRANS esp-aes-256 esp-sha-hmac crypto ipsec ikev1 transform-set ESP-AES-256-SHA-TRANS mode transport crypto ipsec ikev1 transform-set ESP-3DES-SHA-TRANS esp-3des esp-sha-hmac crypto ipsec ikev1 transform-set ESP-3DES-SHA-TRANS mode transport crypto ipsec ikev2 ipsec-proposal DES protocol esp encryption des protocol esp integrity sha-1 md5 crypto ipsec ikev2 ipsec-proposal 3DES protocol esp encryption 3des protocol esp integrity sha-1 md5 crypto ipsec ikev2 ipsec-proposal AES protocol esp encryption aes protocol esp integrity sha-1 md5 crypto ipsec ikev2 ipsec-proposal AES192 protocol esp encryption aes-192 protocol esp integrity sha-1 md5 crypto ipsec ikev2 ipsec-proposal AES256 protocol esp encryption aes-256 protocol esp integrity sha-1 md5 crypto ipsec security-association pmtu-aging infinite crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set pfs crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set ikev1 transform-set ESP-AES-128-SHA ESP-AES-192-SHA ESP-AES-256-SHA ESP-3DES-SHA ESP-DES-SHA ESP-AES-128-SHA-TRANS ESP-AES-192-SHA-TRANS ESP-AES-256-SHA-TRANS ESP-3DES-SHA-TRANS ESP-DES-SHA-TRANS crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set ikev2 ipsec-proposal AES256 AES192 AES 3DES DES crypto map outside_map 65535 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_MAP crypto map outside_map interface outside crypto map inside_map 65535 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_MAP crypto map inside_map interface inside crypto ca trustpoint ASDM_Launcher_Access_TrustPoint_0 enrollment self subject-name CN=10.10.0.1,CN=ciscoasa crl configure crypto ca trustpoint ASDM_TrustPoint0 enrollment self subject-name CN=ciscoasa proxy-ldc-issuer crl configure crypto ca trustpool policy crypto ca certificate chain ASDM_TrustPoint0 certificate aa711054 308201af 30820159 a0030201 020204aa 71105430 0d06092a 864886f7 0d010105 0500302c 3111300f 06035504 03130863 6973636f 61736131 17301506 092a8648 86f70d01 09021608 63697363 6f617361 301e170d 31353035 32303230 34353137 5a170d32 35303531 37323034 3531375a 302c3111 300f0603 55040313 08636973 636f6173 61311730 1506092a 864886f7 0d010902 16086369 73636f61 7361305c 300d0609 2a864886 f70d0101 01050003 4b003048 024100bc 4278aeda 26601456 0e035bb5 6021adc5 0ac9149a 11d95e72 c5a8509b 514fd50d 7a86bdb3 a00bda84 4e6bda8d 50124c64 1179acc4 b2869092 9a742b52 f97c2302 03010001 a3633061 300f0603 551d1301 01ff0405 30030101 ff300e06 03551d0f 0101ff04 04030201 86301f06 03551d23 04183016 8014d86a b4f1585d 7d93a0c7 7a1df9dd b37b0051 18aa301d 0603551d 0e041604 14d86ab4 f1585d7d 93a0c77a 1df9ddb3 7b005118 aa300d06 092a8648 86f70d01 01050500 034100a3 f0441214 1add483b 286fa44e 3844acce 27a68b2e 54f21dce 9a917783 1ab394f7 2d87e4d4 bcfcc7ef 6b26d604 bd0ea56f 05a72d0d 6c37413a b60216f3 612e0a quit crypto ikev2 policy 1 encryption aes-256 integrity sha group 5 2 prf sha lifetime seconds 86400 crypto ikev2 policy 10 encryption aes-192 integrity sha group 5 2 prf sha lifetime seconds 86400 crypto ikev2 policy 20 encryption aes integrity sha group 5 2 prf sha lifetime seconds 86400 crypto ikev2 policy 30 encryption 3des integrity sha group 5 2 prf sha lifetime seconds 86400 crypto ikev2 policy 40 encryption des integrity sha group 5 2 prf sha lifetime seconds 86400 crypto ikev2 enable outside crypto ikev1 enable outside crypto ikev1 policy 10 authentication crack encryption aes-256 hash sha group 2 lifetime 86400 crypto ikev1 policy 20 authentication rsa-sig encryption aes-256 hash sha group 2 lifetime 86400 crypto ikev1 policy 30 authentication pre-share encryption aes-256 hash sha group 2 lifetime 86400 crypto ikev1 policy 40 authentication crack encryption aes-192 hash sha group 2 lifetime 86400 crypto ikev1 policy 50 authentication rsa-sig encryption aes-192 hash sha group 2 lifetime 86400 crypto ikev1 policy 60 authentication pre-share encryption aes-192 hash sha group 2 lifetime 86400 crypto ikev1 policy 70 authentication crack encryption aes hash sha group 2 lifetime 86400 crypto ikev1 policy 80 authentication rsa-sig encryption aes hash sha group 2 lifetime 86400 crypto ikev1 policy 90 authentication pre-share encryption aes hash sha group 2 lifetime 86400 crypto ikev1 policy 100 authentication crack encryption 3des hash sha group 2 lifetime 86400 crypto ikev1 policy 110 authentication rsa-sig encryption 3des hash sha group 2 lifetime 86400 crypto ikev1 policy 120 authentication pre-share encryption 3des hash sha group 2 lifetime 86400 crypto ikev1 policy 130 authentication crack encryption des hash sha group 2 lifetime 86400 crypto ikev1 policy 140 authentication rsa-sig encryption des hash sha group 2 lifetime 86400 crypto ikev1 policy 150 authentication pre-share encryption des hash sha group 2 lifetime 86400 telnet timeout 5 ssh stricthostkeycheck ssh 10.10.0.0 255.255.255.0 inside ssh timeout 5 ssh key-exchange group dh-group1-sha1 console timeout 0 no vpn-addr-assign dhcp dhcpd auto_config outside ! dhcpd address 10.10.0.5-10.10.0.254 inside ! threat-detection basic-threat threat-detection statistics port threat-detection statistics protocol threat-detection statistics access-list threat-detection statistics tcp-intercept rate-interval 30 burst-rate 400 average-rate 200 ntp server 166.70.136.41 source outside ntp server 108.166.189.70 source outside ntp server 63.245.214.136 source outside ssl trust-point ASDM_Launcher_Access_TrustPoint_0 inside ssl trust-point ASDM_Launcher_Access_TrustPoint_0 inside vpnlb-ip webvpn enable outside group-policy DfltGrpPolicy attributes group-policy Remote-VPN internal group-policy Remote-VPN attributes dns-server value 10.10.0.201 8.8.8.8 vpn-tunnel-protocol ikev1 split-tunnel-policy tunnelspecified split-tunnel-network-list value Remote-VPN_splitTunnelAcl default-domain value local.prv username snmp_test password Ocwq862v84DTwooX encrypted username VPN_User password KgHsdRdYP0lAyeqPIXn51g== nt-encrypted privilege 15 tunnel-group DefaultRAGroup general-attributes address-pool RA_VPN tunnel-group DefaultRAGroup ipsec-attributes ikev1 pre-shared-key ***** tunnel-group Remote-VPN type remote-access tunnel-group Remote-VPN general-attributes address-pool RA_VPN default-group-policy Remote-VPN tunnel-group Remote-VPN ipsec-attributes ikev1 pre-shared-key ***** ! class-map global-class match access-list global_mpc 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 sqlnet inspect skinny inspect sunrpc inspect xdmcp inspect sip inspect netbios inspect tftp inspect ip-options inspect pptp inspect icmp inspect icmp error class global-class flow-export event-type all destination 10.10.0.111 ! service-policy global_policy global prompt hostname context no call-home reporting anonymous hpm topN enable Cryptochecksum:f249b6940d463cc987b9aa828d8d8282 : end
Hello
If please check windows or any of application firewall PC side. It's less likely the issue VPN or ASA.
HTH
Averroès.
-
Hi all
First of all, I apologize if this is something that I can google. My knowledge of the administration of the network is all self-taught, so if there is a guide that I missed please point me in the right direction, it is often difficult to Google the terms for troubleshooting when your jargon is not the height.
The main problem is that when ping devices internal when you are connected to the results are very inconsistent.
Ping 192.168.15.102 with 32 bytes of data:
Reply from 192.168.15.102: bytes = 32 time = 112ms TTL = 128
Request timed out.
Request timed out.
Request timed out.
We have implemented an IPSec VPN connection to a remote Cisco ASA 5505. There is no connection problems, connection seems constant, etc. good packages. At this stage, I can only assume I have configuration problems, but I was watching this while if long and pair with my inexperience configuration of these settings I have no idea where to start. My first impressions are that LAN devices I'm ping do not send their response back or the ASA does not know how to route packets back?
Here is a dump of the configuration:
Output of the command: "show config".
: Saved
: Written by enable_15 to the 12:40:06.114 CDT MON Sep 9 2013
!
ASA Version 8.2 (5)
!
hostname VPN_Test
activate the encrypted password of D37rIydCZ/bnf1uj
2KFQnbNIdI.2KYOU encrypted passwd
names of
192.168.15.0 - internal network name
DDNS update method DDNS_Update
DDNS both
maximum interval 0 4 0 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
!
interface Vlan1
Description VLAN internal guests
nameif inside
security-level 100
DDNS update hostname 0.0.0.0
DDNS update DDNS_Update
DHCP client updated dns server time
192.168.15.1 IP address 255.255.255.0
!
interface Vlan2
Description of VLAN external to the internet
nameif outside
security-level 0
address IP xx.xx.xx.xx 255.255.255.248
!
passive FTP mode
clock timezone CST - 6
clock to summer time recurring CDT
DNS server-group DefaultDNS
Server name 216.221.96.37
Name-Server 8.8.8.8
permit same-security-traffic inter-interface
permit same-security-traffic intra-interface
DM_INLINE_TCP_1 tcp service object-group
port-object eq www
EQ object of the https port
outside_access_in list extended access permit icmp any one
outside_access_in list extended access deny interface icmp outside interface inside
access extensive list ip 192.168.15.192 outside_access_in allow 255.255.255.192 all
Remote_splitTunnelAcl list standard allowed internal-network access 255.255.255.0
inside_nat0_outbound list extended access allowed internal-network ip, 255.255.255.0 192.168.15.192 255.255.255.192
Note to inside_access_in to access list blocking Internet traffic
access extensive list ip 192.168.15.192 inside_access_in allow 255.255.255.192 all
Note to inside_access_in to access list blocking Internet traffic
inside_access_in extended access list allow interface ip inside the interface inside
inside_access_in list of allowed ip extended access all 192.168.15.192 255.255.255.192
Note to inside_access_in to access list blocking Internet traffic
access extensive list ip 192.168.15.192 inside_nat0_outbound_1 allow 255.255.255.192 all
pager lines 24
Enable logging
asdm of logging of information
Within 1500 MTU
Outside 1500 MTU
mask 192.168.15.200 - 192.168.15.250 255.255.255.0 IP local pool VPN_IP_Pool
inside_access_ipv6_in list of access allowed IPv6 interface ip inside the interface inside
ICMP unreachable rate-limit 1 burst-size 1
ICMP allow any inside
ICMP allow any response of echo outdoors
ICMP allow all outside
don't allow no asdm history
ARP timeout 14400
NAT-control
Global 1 interface (outside)
NAT (inside) 0-list of access inside_nat0_outbound
NAT (inside) 0 inside_nat0_outbound_1 list of outdoor access
NAT (inside) 1 192.168.15.192 255.255.255.192
NAT (inside) 1 0.0.0.0 0.0.0.0
inside_access_in access to the interface inside group
inside_access_ipv6_in access to the interface inside group
Access-group outside_access_in in interface outside
Route outside 0.0.0.0 0.0.0.0 xx.xx.xx.xx 1
Timeout xlate 03:00
Timeout conn 01:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00
Sip timeout 0:30:00 sip_media 0:02:00 prompt Protocol sip-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
Floating conn timeout 0:00:00
dynamic-access-policy-registration DfltAccessPolicy
Enable http server
http 192.168.1.0 255.255.255.0 inside
255.255.255.0 inside internal network http
http yy.yy.yy.yy 255.255.255.255 outside
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown cold start
Sysopt connection timewait
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
Crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ESP-DES-SHA esp - esp-sha-hmac
Crypto ipsec transform-set ESP-DES-MD5 esp - esp-md5-hmac
Crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac
Crypto ipsec transform-set ESP-AES-256-SHA 256 - aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-SHA aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-MD5-esp - aes esp-md5-hmac
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 pfs Group1 set
Crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 value transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5
outside_map card crypto 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP
outside_map interface card crypto outside
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
3des encryption
sha hash
Group 2
life 86400
Telnet timeout 5
SSH timeout 5
Console timeout 0
management-access inside
dhcpd outside auto_config
!
dhcpd address 192.168.15.200 - 192.168.15.250 inside
dhcpd allow inside
!
a basic threat threat detection
Statistics-list of access threat detection
a statistical threat detection tcp-interception rate-interval 30 burst-400-rate average rate 200
NTP server 192.168.15.101 source inside
prefer NTP server 192.168.15.100 source inside
WebVPN
internal remote group strategy
Group remote attributes policy
Protocol-tunnel-VPN IPSec
Split-tunnel-policy tunnelspecified
value of Split-tunnel-network-list Remote_splitTunnelAcl
username StockUser encrypted password privilege 0 t6a0Nv8HUfWtUdKz
username StockUser attributes
Strategy-Group-VPN remote
tunnel-group type remote access remotely
tunnel-group remote General attributes
address pool VPN_IP_Pool
Group Policy - by default-remote control
tunnel-group remote ipsec-attributes
pre-shared-key *.
!
class-map inspection_default
match default-inspection-traffic
!
!
type of policy-card inspect dns preset_dns_map
parameters
maximum message length automatic of customer
message-length maximum 512
Policy-map global_policy
class inspection_default
inspect the preset_dns_map dns
inspect the ftp
inspect h323 h225
inspect the h323 ras
inspect the rsh
inspect the rtsp
inspect esmtp
inspect sqlnet
inspect the skinny
inspect sunrpc
inspect xdmcp
inspect the sip
inspect the netbios
inspect the tftp
Review the ip options
inspect the icmp
!
global service-policy global_policy
context of prompt hostname
no remote anonymous reporting call
Cryptochecksum:f4271785b86e45dd3a17bab8f60cd2f3
Hi Graham,
My first question is do you have a site to site VPN and VPN remote access client.
After checking your configuration, I see you don't have any Site to SIte VPN configuration, so I'm assuming you ara facing issue with the VPN client.
And if I understand you are able to connect VPN client, but you not able to access internal resources properly.
I recommend tey and make the following changes.
First remove the following configuration:
NAT (inside) 0 inside_nat0_outbound_1 list of outdoor access
NAT (inside) 1 192.168.15.192 255.255.255.192
You don't need the 1st one and I do not understand the reason for the second
Second, one is your pool IP subnet (192.168.15.200 - 192.168.15.250) and I don't know why you added this NAT.
If possible change your subnet pool all together because we do not recommend to use th ip POOL that is similar to your local network.
Try the changes described above and let me know in case if you have any problem.
Thank you
Jeet Kumar
-
ASA 5512 different route by VPN Group (VRF as feature?)
Hello
Here's what I'm trying to do. I have a Nexus 7000 with several of the VRF, simplicity lets call it A VRF, VRF B, VRF C. VRF A simulates a network of management and VRF B and C are customer environments. VRF B and C VRF will be overlap of intellectual property. I have a 5512 ASA I use VPN in the environment, it also provides internet access for applications that run in A VRF, (VRF B and C do not require internet access). What I want to do is to implement three different access VPN on the SAA even, where some users will have VPN 1 group policy and have access to the VRF has, but should not have access to the VRF B or C, same VPN 2 should have access to the VRF B and 3 C VRF VPN.
My original intent was to configure the ASA with 0/0 to internet Gig, Gig 0/1 A VRF and then Gig 0/2 sub interfaced so 0/2.10 is 10.10.10.1 in VLAN 101 that connects VRF B, 0/2.11 concert would be 10.10.10.1 in 102 VLAN that connects to VRF C. However, better than I can tell ASA 5512 is not aware of VRF (or is it just a separate license, I would need?) and as such, it is not possible.
Next similar reflection, but instad configure as 0/2.10 is 10.10.10.1 in VLAN 101 that connects VRF B, 0/2.11 concert would be 10.10.11.1 in 102 VLAN that connects to VRF C. However, I throw it here, issues as the VPN 2 and 3 need access to devices with the same IP address, which is even better I can tell, the ASA is not able to make Policy based routing.
Is there another way to do this? Is there something that I am on?
I need to make sure that the 2A VPN users can access services available in the VRF B, they should not have the ability to access (intentionally or not) services on VRF A or C, nor the users VPN 1 or 3.I have also a 5585 ASA w / context multi license, I can then creates a context by VRF (that I have), I then interfaces in each correct the VRF-related context. However, I do not think that I can terminate VPN here, best I can tell when in multi-contexte mode you can not have VPN license.
Your research led you to conclude correctly that the ASA is neither compatible with VRF nor can it be based on routing strategies. Also, you cannot terminate remote access VPN on an ASA multi-contexte.
Doing what you ask a single AAS is a bit problematic. If you had a unique internal addresses, the subinterfaces would work fine.
Because it looks like you have a virtualization infrastructure, have you considered using the low cost ASAv? You could run multiple instances, one per VRF. Everyone knows only the public address space and its respective assocated VRF.
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