Installation of site to site VPN IPSec using PIX and ASA

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I am a site configuration to site IPSec VPN using a PIX515E to site A and ASA5520 to Site B.

I have attached the lab diagram. Consider PIX and ASA are in default configuration, which means that nothing is configured on both devices.

According to the scheme

ASA5520

External interface is the level of security 11.11.10.1/248 0

The inside interface is 172.16.9.2/24 security level 100

Default route is 0.0.0.0 0.0.0.0 11.11.10.2 1

PIX515E

External interface is the level of security 123.123.10.2/248 0

The inside interface is 172.16.10.1/24 security level 100

Default route is 0.0.0.0 0.0.0.0 123.123.10.1 1

/ * Style definitions * / table. MsoNormalTable {mso-style-name : « Table Normal » ; mso-tstyle-rowband-taille : 0 ; mso-tstyle-colband-taille : 0 ; mso-style-noshow:yes ; mso-style-priorité : 99 ; mso-style-qformat:yes ; mso-style-parent : » « ;" mso-rembourrage-alt : 0 à 5.4pt 0 à 5.4pt ; mso-para-margin : 0 ; mso-para-marge-bottom : .0001pt ; mso-pagination : widow-orphelin ; police-taille : 11.0pt ; famille de police : « Calibri », « sans-serif » ; mso-ascii-font-family : Calibri ; mso-ascii-theme-font : minor-latin ; mso-fareast-font-family : « Times New Roman » ; mso-fareast-theme-font : minor-fareast ; mso-hansi-font-family : Calibri ; mso-hansi-theme-font : minor-latin ; mso-bidi-font-family : « Times New Roman » ; mso-bidi-theme-font : minor-bidi ;}

Could someone tell me how to set up this configuration? I tried but didn't workout. Here is the IKE protocol I have used.

IKE information:

IKE Encrytion OF

MD5 authentication method

Diffie Helman Group 2

Failure to life

IPSEC information:

IPsec encryption OF

MD5 authentication method

Failure to life

Please enter the following command

on asa

Sysopt connection permit VPN

on pix not sure of the syntax, I think it is

Permitted connection ipsec sysopt

What we are trying to do here is basically allowing vpn opening ports

Alternatively you can open udp 500 and esp (or port ip 50) out to in on the two firewalls

Tags: Cisco Security

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  • Remote IPSec VPN - client Windows 7 and ASA 5505

    Hello

    I'm having trouble with configuring IPSec VPN with Cisco ASA 5505 and Windows 7 client native VPN remotely. My client PC Gets the VPN IP pool address and can access a remote network behind ASA, but then I lose my internet connection. I read that this should be a problem with the split tunneling, but I did as it says here and no luck.

    Windows VPN Client settings, if I uncheck "use default gateway on remote network" I have an internet connection (given that the customer is using a local gateway), but then I can't ping remote network.

    In the log, I see the warnings of this type:

    TCP connection of disassembly 256 for outside:192.168.150.1/49562 to outside:213.199.181.90/80 duration 0: 00:00 0 stream bytes is a loopback (cisco)

    I have attached my configuration file (without configuring split tunneling, I tried). If you need additional newspapers, I'll send them right away.

    Thank you for your help.

    Petar Koraca

    That's what you would have needed on versions 8.3 and earlier versions:

    permit same-security-traffic intra-interface

    Global 1 interface (outside)

    NAT (outside) 1 192.168.150.0 255.255.255.0

    However I see that you are running 8.4 so I think that all you need is this (I never did on 8.4 so it may not be accurate)

    permit same-security-traffic intra-interface

    network of the NETWORK_OBJ_192.168.150.0_24 object

    dynamic NAT interface (outdoors, outdoor)

    Give it a shot and let me know how it goes.

  • VPN between 878 router and ASA 5505

    Hello world

    I struggled for a few days now to get a VPN connection works.

    The situation

    Two offices needs to be connected to eachother with a VPN. The two parties have a WAN connection.

    The tunnel between locations rises very well but the communication fails in almost any way.

    The host cannot ping each other and also the inside of the router and ASA pings fail.

    The only ping works is from inside Site2 to the inside interface of the router side 1 (192.168.1.100 to 192.168.0.250)

    NAT works very well on both sites behind the router / asa.

    I think I'm doing something wrong with the roads or access lists but after 7 days, many refills, restores, driving from one end of the State to the other to reset stupid moves break and resolder my cable from the console and things completely with default start for 10 times, I'm through, I honestly don't know where to look for more...

    Tech Specs:

    Site1: has a cable modem that gives a WAN IP with DHCP address

    This modem connects to the Cisco 878 (Fastethernet0) router

    The router acts as a DHCP server and NAT gateway for the office and offers vpn connectivity to the other office

    Site2: has a cable-modem/router (Cisco 3925), which made the NAT, this modem/router gives an IP private class-C (192.168.178.x)

    This modem/router connects to a Cisco ASA 5505 (Fastethernet0)

    The ASA also server as a DHCP server and NAT gateway for the office and offers vpn connectivity to the other office.

    Online, it looks like this:

    Office 1--> Cisco878--> WAN Cloud<---cablemodemrouter><--- asa5505=""><--- office="">

    IP address ranges:

    Office 1

    Network 192.168.0.0

    Subnet mask 255.255.255.0

    Gateway 192.168.0.250

    IP WAN XXXX

    Office 2

    Network 192.168.1.0

    Subnetmak 255.255.255.0

    Gateway 192.168.1.1

    IP WAN XXXX

    On the location of office 2, there is a NAT between ASA and WAN router. between 192.168.178.x 255.255.255.0

    The modemrouter is a Cisco 3925, on which IPSEC passthrough is enabled.

    Configs:

    Site 1:

    CISCO 878 router

    Site 2

    ASA 5505

    I hope someone has a chance to look through my config and tell me what I did wrong this week

    Even if you can not help me but still read here: Thank YOU!

    (As my problem has been resolved, I removed the configs of this post. If for any reason, you want to work for these devices configuration, please send me a PM)

    Post edited by: taaa lijf - reason: problem solved, removed configs and stuff private for obvious reasons ;)

    Hello

    Ping client customer site 1 site2 and make sh crypto isakmp his and sh crypto ipsec his on the router.

    If sh crypto isakmp gives QM_Idle and ping fails and you have no package in the HS cypto ipsec his and then do a debug crypto ipsec

    If sh crypto isakmp gives MM_NoState can do a debug crypto isakmp

    One note however, you should have ip addresses static at least on the side, initiating the tunnel, otherwise it will not work when ip address changes.

    Kind regards.

    Alain.

  • VPN between a PIX and a VPN 3000

    I'm trying to set up a VPN between PIX and a VPN 3000. All configurations are complete, but the tunnel has not been established. On the PIX, to 'see the crypto engine' and ' show isakmp his ' orders, I do not see the tunnel. Of "show ipsec his ' command, I can see the mistakes"#send"continues to increase when I try to connect to the remote network. Here is the copy - paste command:

    Tag crypto map: myvpnmap, local addr. 10.70.24.2

    local ident (addr, mask, prot, port): (10.70.24.128/255.255.255.128/0/0)

    Remote ident (addr, mask, prot, port): (10.96.0.0/255.224.0.0/0/0)

    current_peer: 10.70.16.5:0

    LICENCE, flags is {origin_is_acl},

    #pkts program: encrypt 0, #pkts: 0, #pkts 0 digest

    #pkts decaps: 0, #pkts decrypt: 0, #pkts check 0

    compressed #pkts: 0, unzipped #pkts: 0

    #pkts uncompressed: 0, #pkts compr. has failed: 0, #pkts decompress failed:

    #send 12, #recv errors 0

    local crypto endpt. : 10.70.24.2, remote Start crypto. : 10.70.16.5

    Path mtu 1500, fresh ipsec generals 0, media, mtu 1500

    current outbound SPI: 0

    SAS of the esp on arrival:

    the arrival ah sas:

    SAS of the CFP on arrival:

    outgoing esp sas:

    outgoing ah sas:

    outgoing CFP sas:

    Obviously, the PIX identifies protected traffic but failed to establish the tunnel. I was wondering what could be the reason for these kind of mistakes? That means them growing '#send errors?

    Thank you very much!

    Sending error mean simply the PIX is grateful to encrypt this traffic, but there is no built tunnel and so it must drop the package.

    you will need to look at why the tunnel is not under construction however, "sending error" are just a byproduct of some other configuration issue. On the PIX, it looks like you would have something like:

    Crypto ip 10.70.24.128 access list allow 255.255.255.128 10.96.0.0 255.224.0.0

    On the 3000 under the L2L section and the Local and remote network, you need the exact opposite of the latter, then it would be:

    / Local network mask = 10.96.0.0/0.31.255.255

    / Remote network mask = 10.70.24.128/0.0.0.127

    If you have something else the tunnel will fail to come. Otherwise, we see that the Cryptography debugs the PIX and the trunk of the 3000 when the tunnel is built.

  • Setting up a VPN between a WRVS4400N and ASA device

    I'm a newbie when it comes to Cisco devices and I have a problem setting a VPN between a local and a seat some distance away.

    Here, our local office, we have a device Cisco WRVS4400N Small Business.

    At Headquarters, they have a feature of Cisco ASA.

    We must set up a point to point VPN and I have no idea how to proceed with these devices.

    To compound things, resources, I'm at the other end in an unknown entity that also does not seem to have a lot of experience with this.

    Is there any type of step by step guide for such a configuration?

    If not, can someone please help with this?

    Hello William,.

    I would call 1866-606-1866 Support Center for assistance on the side the tunnel then the entire side of the ASA WRVS has to do is match the settings. If the side ASA needs support with which we can transfer more TAC.

    Cisco Small Business Support Center

    Randy Manthey

    CCNA, CCNA - security

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