Slowness on ASA 5520

Hi Guys -
I have a weird situation. I have an ASA 5520 that is our VPN end point for staff connecting remotely using the Cisco VPN client. ASA 5520 is connecting to one of the interfaces on the ASA 5510 (firewall). 5510 is connected to the inside network.
Most staff members VPN in from home using a wireless connection on a LinkSys router (or a Netgear). Access Point has either WEP or WPA configured for encryption. When they try to open files on a network drive (mapped to a file server in the office) when connected thru the VPN, opening files is very slow. However when WEP or WPA encryption settings are removed from the access point, opening files on the same network drive is much faster. We've noticed this behavior for many people.
Any ideas on how to resolve this? Of course, it is not practical for us to ask staff members to remove encryption settings from their home access points.
Any help would be appreciated.

The WEP/WPA encryption is only limited to traffic between the remote clients and their respective AP. Once the traffic leaves their AP towards the internet, there is absolutely no encryption! The only reason I think is happening is they are over-loading their access points because of the encryption overhead. CIFS by design was not meant to be used over the WAN, so its slow from the WAN irrespective of VPN,Wireless,WEP or WPA. These things just make it more 'slower'
Also try to enable 'service reset ..' command on the firewall if its already not there.
Regards
Farrukh

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Hi Philip,
I don't see any features configured that would affect the throughput of the data transfer. Do you see any CRC errors or overruns increasing on the interfaces during the transfer? If not, I would suggest setting up captures on the ingress and egress interfaces of the ASA so you can understand exactly why the connection is slowing down and see if the ASA is inducing the delay:
https://supportforums.cisco.com/docs/DOC-1222
-Mike

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svc rekey time none
svc rekey method none
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svc compression deflate
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username fualadah password JwVlqQNIellNgxnZ encrypted privilege 0
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username fualarak password UE41e9hpvcMeChqx encrypted privilege 0
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username fualamaz password U1YUfQzFYrsatEzC encrypted privilege 0
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username fualabdz password tg.pB7RXJx2CWKWi encrypted privilege 0
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username Shakir password BESX2bAvlbqbDha/ encrypted privilege 0
username Riad password iB.miiOF7qMESlCL encrypted privilege 0
username Azeem password 0zAqiCG8dmLyRQ8f encrypted privilege 15
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username Osama attributes
password-storage enable
username Mahmoud password bonjr0B19aOQSpud encrypted privilege 0
username alpha password x8WO0aiHL3pVFy2E encrypted privilege 15
username Wissam password SctmeK/qKVNLh/Vv encrypted privilege 0
username Wissam attributes
password-storage enable
username Nabil password m4fMvkTgVwK/O3Ms encrypted privilege 0
aaa authentication telnet console LOCAL
aaa authentication ssh console LOCAL
aaa authentication enable console LOCAL
http server enable
http 0.0.0.0 0.0.0.0 outside
http 192.168.1.4 255.255.255.255 inside
http 192.168.1.100 255.255.255.255 inside
http 192.168.1.111 255.255.255.255 inside
http 192.168.1.200 255.255.255.255 inside
http 83.111.113.117 255.255.255.255 outside
http 192.168.1.17 255.255.255.255 inside
http 192.168.1.16 255.255.255.255 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto dynamic-map outside_dyn_map 20 set pfs
crypto dynamic-map outside_dyn_map 20 set transform-set ESP-3DES-SHA
crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
crypto map outside_map interface outside
crypto isakmp enable outside
crypto isakmp policy 10
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 86400
tunnel-group fualavpn type ipsec-ra
tunnel-group fualavpn type ipsec-ra
tunnel-group fualavpn general-attributes
address-pool fualapool
address-pool VPNPool
default-group-policy fualavpn
tunnel-group fualavpn ipsec-attributes
pre-shared-key *
tunnel-group fualavpn ppp-attributes
authentication pap
authentication ms-chap-v2
authentication eap-proxy
telnet 0.0.0.0 0.0.0.0 outside
telnet 0.0.0.0 0.0.0.0 inside
telnet timeout 5
ssh 0.0.0.0 0.0.0.0 outside
ssh 192.168.1.0 255.255.255.0 inside
ssh timeout 5
console timeout 0
management-access inside
class-map inspection_default
match default-inspection-traffic
policy-map type inspect dns migrated_dns_map_1
parameters
message-length maximum 512
policy-map global_policy
class inspection_default
inspect dns migrated_dns_map_1
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 icmp
inspect icmp error
service-policy global_policy global
prompt hostname context
Cryptochecksum:38e41e83465d37f69542355df734db35
: end

Hi,
What about translating the traffic on the local ASA (Active unit) for traffic received from the VPN tunnel to the internal interface IP address? You can try something like nat (outside,inside) source dynamic obj-VpnRemoteTraffic interface destination static StandbyIP StandbyIP
Regards,

ASA 5520 Upgrade From 8.2 to 9.1

To All Pro's Out There,
I have 2 x ASA 5520 in Active/Standby state (Routed, Single context) running 8.2(3) image. They are working great and everybody is happy. Now it's time for us to upgrade to the latest and greatest version: 9.1 and as you know there are some architectural changes Cisco made to NAT statements and Access Lists. As one can tell, we have a monster environment in terms of NAT statements and access list that are currently configured on the appliances.
In order to make the upgrade process "less" painful, I was able to find a loaner ASA 5520 device so I can practice the upgrade process offline and if needed, I use it in production (in conjunction with existing Primary and Secondary devices) should it be helpful. I currently don't have any plans on how to move forward with these 3 devices and put together an smooth upgrade. I am asking advice from experts that perhaps have done this in the past and know some Do's and Don’ts and can provide me some options toward getting best result: Minimum downtime and Smooth upgrade.
I appreciate all the help in advance.

Hi,
My personal approach from the start has been to learn the new NAT configuration format on the ASA CLI and manually convert the configurations for the new ASA software. I am under the impression that the automatic conversion that the ASA does by rebooting straight into a new software level causes quite a lot of configurations and they arent really optimal.
In your case it seems that you have a pretty much better situation than most people that dont have the chance to use a test device to test out the setup before actually putting it in production.
What you can basically do is
Insert the 8.2 configuration to the test ASA and boot it straight to the higher software levels and see what the conversion has done to the ASA configurations.
You can use "packet-tracer" command to test if correct NAT rules are still hit after the conversion
So far I have been lucky in the sense that most of the upgrades I have done have involved new hardware which has basically let me configure everything ready and just switch devices for the customer. So far everything has went really well and there has been only a 1-2 mistakes in NAT configurations because of misstyping some IP address or interface name which basically resulted from a lot of copy/paste when building the configurations. And these couple of mistakes have been from around 150 firewall migrations (of which most from FWSM Security Context to a ASA Security Context)
If you have time to put into this then I would suggest you try to learn the new NAT format and write your NAT configurations yourself. Converting the existing configurations should essentially give you the tools to then maintain that firewall configuration easily in the future and apply that knowledge elsewhere.
If you want to read a bit about the new NAT configuration format then I would suggest having a look at the NAT 8.3+ document I made:
https://supportforums.cisco.com/docs/DOC-31116
My personal approach when starting to convert NAT configurations for the upgrade is
Collect all NAT configurations from the current ASA including any ACLs associated with the Policy type NATs and NAT0 configurations
Divide NAT configurations based on type
Dynamic NAT/PAT
Static NAT
Static PAT
NAT0
All Policy Dynamic/Static NAT/PAT
Learn the basic configuration format for each type of NAT configuration
Start by converting the easiest NAT configurations
Dynamic NAT/PAT
Static NAT/PAT
Next convert the NAT0 configurations
And finally go through the Policy NAT/PAT configurations
Finally go through the interface ACLs and change them to use the real IP address as the destination in all cases since the NAT IP address is not used anymore. In most common screnarios this basically usually only involves modifying the "outside" interfaces ACL but depending if the customer has some other links to external resourses then its highly likely that same type of ACL changes are required on those interfaces also.
The most important thing is to understand how the NAT is currently working and then configure the new NAT configuration to match that. Again, the "packet-tracer" command is a great tool to confirm that everything is working as expected.
One very important thing to notice also is that you might have a very large number of Identity NAT configurations between your local networks interfaces of the ASA.
For example
static (inside,dmz) 10.10.10.0 10.10.10.0 netmask 255.255.255.0
In the new software you can pretty much leave all of these out. If you dont need to perform NAT between your local interfaces then you simply leave out all NAT configurations.
Naturally you can also use these forums to ask help with NAT configuration conversions. Even though its a very common topic, I dont personally mind helping out with those.
So to summarize
Try out the ASAs automatic configuration conversion when simply booting to new software levels on the test ASA you have
Learn the new NAT configuration format
Ask for help here on CSC about NAT configuration formats and help with converting old to new configurations.
Personally if I was looking at a samekind of upgrade (which I will probably be looking at again soon) I would personally do the following
Convert the configurations manually
Lab/test the configurations on an test ASA
During Failover pairs upgrade I would remove the Standby device from network, erase its configurations, reboot it to new software, insert manually written configurations.
Put the upgraded ASA to the device rack and have cables ready connected to the customer devices if possible (or use existing ones)
Disconnect currently active ASA running 8.2 and connect the new ASA to the network while clearing ARP on the connected routers to avoid any problems with traffic forwarding.
Test connectivity and monitor ASAs connection and xlate tables to confirm everything is working
Will add more later if anything comes to mind as its getting quite late here
Hope this helps
- Jouni

DHCP question on VPN to ASA 5520

Our VPN uses the Microsoft VPN client to connect to an ASA 5520 running 8.0(3). Clients get address from our internal DHCP server. How do I get the ASA to send the client computer name in the DHCP request, rather the the group name and some number it appends to it? This is an issue for us because those entries show up as "rogue" registrations in DNS, because they don't match our naming structure.

Make sure if the client is forwarding it's name in the DHCP messages. Parameters can't be added at ASA.

Site to Site VPN between Cisco ASA 5520 and Avaya VPN Phone

Hi,
I am wondering if anyone can assist me on configuring Cisco ASA 5520 site to site vpn with Avaya VPN Phone? According to Avaya, the Avaya 9630 phone acts as a VPN client so a VPN router or firewall is not needed.
The scanario:
Avaya System ------ ASA 5520 ------ INTERNET ----- Avaya 9630 VPN Phone
Any help or advice is much appreciated.
Thanks.

Hello Bernard,
What you are looking for is a Remote Ipsec VPN mode not a L2L.
Here is the link you should use to make this happen:)
https://devconnect.avaya.com/public/download/interop/vpnphon_asa.pdf
Regards,
Julio

Cisco ASA 5520 Site-to-site VPN TUNNELS disconnection problem

Hi,
i recently purchased a Cisco ASA 5520 and running firmware v. 8.4(2) and ASDM v. 6.4(5)106.
I have installed 50 Site-to-Site VPN tunnels, and they work fine.
but randomly the VPN Tunnels keep disconnecting and few seconds after it connects it self automaticly....
it happens when there is no TRAFIC on, i suspect.
in ASDM in Group Policies under DfltGrpPolicy (system default) i have "idle timeout" to "UNLMITED" but still they keep disconnecting and connecting again... i have also verified that all VPN TUNNELS are using this Group Policie. and all VPN tunnels have "Idle Timeout: 0"
this is very annoying as in my case i have customers having a RDP (remote dekstop client) open 24/7 and suddenly it gets disconnected due to no traffic ?
in ASDM under Monitoring -> VPN .. i can see all VPN tunnels recently disconnected in "Login Time Duration"... some 30minutes, 52minutes, 40minutes and some 12 minutes ago.. and so on... they dont DISCONNECT at SAME time.. all randomly..
i dont WANT the VPN TUNNELS to disconnect, i want them to RUN until we manually disconnect them.
Any idea?
Thanks,
Daniel

What is the lifetime value configured for in your crypto policies?
For example:
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

Multiple Public IP's on ASA 5520

Hi,
I have ASA 5520 with Ver 8.2.
Outside interface is directly connected to ISP's router(TelePacific) and is assigned one of public IP:198.24.210.226.
There are two servers inside the network with the private IP's:192.168.1.20 for DB Server, and 192.168.1.91 for Web Server.
I did Static NAT 198.24.210.226 to 192.168.1.20 and 198.24.210.227 to 192.168.1.91.
When I access DB Server(198.24.210.226) it's working OK but when I access Web Server(198.24.210.227) there is no response at all.
I checked the inside traffic, it even did not get into the firewall.
Is this the problem with ISP's router? How can we route all of our public IP's to the outside interface(198.24.210.226)?
interface GigabitEthernet0/1
nameif inside
ip address 192.168.1.1 255.255.255.0
security-level 100
no shutdown
interface GigabitEthernet0/0
nameif outside
ip address 198.24.210.226 255.255.255.248
security-level 0
no shutdown
route outside 0.0.0.0 0.0.0.0 198.24.210.225
nat (inside) 1 192.168.1.0 255.255.255.0
global (outside) 1 198.24.210.226 255.255.255.255
static (inside,outside) tcp 198.24.210.226 3389 192.168.1.10 3389 netmask 255.255.255.255 dns
static (inside,outside) tcp 198.24.210.226 9070 192.168.1.10 9070 netmask 255.255.255.255 dns
static (inside,outside) tcp 198.24.210.227 3389 192.168.1.20 3389 netmask 255.255.255.255 dns
static (inside,outside) tcp 198.24.210.227 80 192.168.1.20 80 netmask 255.255.255.255 dns
access-list OUTSIDE-IN extended permit tcp any host 198.24.210.226 eq 3389
access-list OUTSIDE-IN extended permit tcp any host 198.24.210.226 eq 9070
access-list OUTSIDE-IN extended permit tcp any host 198.24.210.227 eq 3389
access-list OUTSIDE-IN extended permit tcp any host 198.24.210.227 eq 80
access-group OUTSIDE-IN in interface outside

Also,
You seen to have an /29 public subnet. You should be able to use IP addresses from this subnet to configure NAT on your firewall. I dont think you need any specific configurations to allow the usage of the whole subnet as NAT IP addresses.
You can naturally check the following
show run sysopt
Check that you DONT have the following
sysopt noproxyarp outside
At the moment you are not actually configuring Static NAT but rather Static PAT.
You are only forwarding some ports from certain public IP addresses to the local IP address. If you were doing Static NAT, then you would actually be staticly binding the public IP addresses to the local IP address. So it would apply to any TCP/UDP port and you would only need to use the ACL to allow traffic.
Though in that case you would have to replace the .226 IP address with something else as its the firewall interface IP address and it should not be assigned to be used by a single host on the LAN usually.
If you wanted to staticly assing public IPs to both of these servers you could do
static (inside,outside) 198.24.210.227 192.168.1.91 netmask 255.255.255.255
static (inside,outside) 198.24.210.228 192.168.1.10 netmask 255.255.255.255
access-list OUTSIDE-IN extended permit tcp any host 198.24.210.228 eq 3389
access-list OUTSIDE-IN extended permit tcp any host 198.24.210.228 eq 9070
access-list OUTSIDE-IN extended permit tcp any host 198.24.210.227 eq 3389
access-list OUTSIDE-IN extended permit tcp any host 198.24.210.227 eq 80
- Jouni

ASA 5520 upgrade from 8.4.6 to 9.1.2

Dear All,
I am having ASA 5520 in Active Standby failover configuration . I want to know if I can upgrade it from 8.4.6 to 9.1.2 using the zero downtime upgrade process mentioned on cisco site .
Below is the process :
Upgrade an Active/Standby Failover Configuration
Complete these steps in order to upgrade two units in an       Active/Standby failover configuration:
Download the new software to both units, and specify the new image to           load with the boot system command.
Refer to           Upgrade           a Software Image and ASDM Image using CLI for more           information.
Reload the standby unit to boot the new image by entering the           failover           reload-standby command on the active unit as shown           below:
active#failover reload-standby
When the standby unit has finished reloading and is in the Standby           Ready state, force the active unit to fail over to the standby unit by entering           the no           failover active command on the active unit.
active#no failover active
Note: Use the show             failover command in order to verify that the standby unit             is in the Standby Ready state.
Reload the former active unit (now the new standby unit) by entering           the reload command:
newstandby#reload
When the new standby unit has finished reloading and is in the           Standby Ready state, return the original active unit to active status by           entering the failover           active command:
newstandby#failover active
This completes the process of upgrading an Active/Standby Failover       pair.
Also after upgrade are there any changes required after IOS migration ( i.e are there any changes in the command line of 8.4.6 and 9.1.2 )
It is mentioned on cisco site that
Major Release
—You can upgrade from the last minor           release of the previous version to the next major release. For example, you can           upgrade from 7.9 to 8.0, assuming that 7.9 is the last minor version in the 7.x           release.

Hi Tushar,
The steps you mentioned are perfectly fine. There is no major difference in the commands of the 2 versions, it's just that in access-rule from 9.1 you have to any4 instead of any for ipv4 and any6 for ipv6. During conversion it will get convert automatically.
Also, please refer to the following document (release notes of 9.1.2) for viewing the new features added in that version:
http://www.cisco.com/en/US/docs/security/asa/asa91/release/notes/asarn91.html#wp685480
- Prateek Verma

ASA 5520 VERSION 8.2 UPGRADE TO 9.0

Hello friends,
I am considering to perform an upgrade of my ASA 5520 with versión 8.2 to 9.0, so I will enjoy the benefits of anyconnect for mobile devices. I clearly understand that I must pay special attention to:
NAT Rules.
RAM Memory: 2 GB.
Adding the part numbers to power on the newest versions of anyconnect and for mobile devices
L-ASA-AC-E-5520= ASA-AC-M-5520=
am I missing any other thing? Flash requirement? Or to pay attention to some other configurations?
Any comment or documentation will be appreciated.
Regards!

You can run the latest AnyConnect client - including mobile clients - with those licenses even on an ASA with the current 8.2 code - 8.2(5) as of now. While it's a bit old and lacking some of the newer features, it's a solid and stable release.
That would save you the trouble of migrating your NAT configuration (and other bits) and upgrading memory.
Since the ASA 5500 series (5510, 5520 etc.) is past End of Sales you have a limited future on those platforms. For instance, ASA 9.1(x) is the last set of code releases that will be available for them. (The current software on the 5500-X is 9.3(1).)

ASA 5520 VPN load balancing with Active/Standby failover on 2 devices only...

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This topic has been beat to death, but I did not see a real answer. Here is configuration:
1) 2 x ASA 5520, running 8.2
2) Both ASA are in same outside and inside interface broadcast domains – common Ethernet on interfaces
3) Both ASA are running single context but are active/standby failovers of each other. There are no more ASA’s in the equation. Just these 2. NOTE: this is not a Active/Active failover configuration. This is simply a 1-context active/standby configuration.
4) I want to share VPN load among two devices and retain active/standby failover functionality. Can I use VPN load balancing feature?
This sounds trivial, but I cannot find a clear answer (without testing this); and many people are confusing the issue. Here are some examples of confusion. These do not apply to my scenario.
Active/Active failover is understood to mean only two ASA running multi-contexts. Context 1 is active on ASA1 Context 2 is active on ASA2. They are sharing failover information. Active/Active does not mean two independently configured ASA devices, which do not share failover communication, but do VPN load balancing. It is clear that this latter scenario will work and that both ASA are active, but they are not in the Active/Active configuration definition. Some people are calling VPN load balancing on two unique ASA’s “active/active”, but it is not
The other confusing thing I have seen is that VPN config guide for VPN load balancing mentions configuring separate IP address pools on the VPN devices, so that clients on ASA1 do not have IP address overlap with clients on ASA2. When you configure ip address pool on active ASA1, this gets replicated to standby ASA2. In other words, you cannot have two unique IP address pools on a ASA Active/Standby cluster. I guess I could draw addresses from external DHCP server, and then do some kind of routing. Perhaps this will work?
In any case, any experts out there that can answer question? TIA!

Wow, some good info posted here (both questions and some answers). I'm in a similar situation with a couple of vpn load-balanced pairs... my goal was to get active-standby failover up and running in each pair- then I ran into this thread and saw the first post about the unique IP addr pools (and obviously we can't have unique pools in an active-standby failover rig where the complete config is replicated). So it would seem that these two features are indeed mutually exclusive. Real nice initial post to call this out.
Now I'm wondering if the ASA could actually handle a single addr pool in an active-standby fo rig- *if* the code supported the exchange of addr pool status between the fo members (so they each would know what addrs have been farmed out from this single pool)? Can I get some feedback from folks on this? If this is viable, then I suppose we could submit a feature request to Cisco... not that this would necessarily be supported anytime soon, but it might be worth a try. And I'm also assuming we might need a vip on the inside int as well (not just on the outside), to properly flip the traffic on both sides if the failover occurs (note we're not currently doing this).
Finally, if a member fails in a std load-balanced vpn pair (w/o fo disabled), the remaining member must take over traffic hitting the vip addr (full time)... can someone tell me how this works? And when this pair is working normally (with both members up), do the two systems coordinate who owns the vip at any time to load-balance the traffic? Is this basically how their load-balancing scheme works?
Anyway, pretty cool thread... would really appreciate it if folks could give some feedback on some of the above.
Thanks much,
Mike

ASA 5520: Create Network Object for range of hosts?

Hi,
I'm new to Cisco Firewalling. I'm migrating our network objects from our current firewall to a new ASA 5520 configuration. I'm using ASDM 6.4 for configuration.
We have a range of IP addresses for hosts that we need to add to a firewall rule/ACL. In the previous FW software I could create an object that was a range of IP address. For example there is an object called emailservers that is defined as 192.168.2.25-192.168.2.50.
Is there a way to do a similar thing on the ASA 5520?
I can see how to create subnets, but in this case I only have a range of IP addresses, no subnet mask.
Any help greatly appreciated.

Sure there is,
hostname(config)# object network TEST2
hostname(config-network-object)# range 10.1.2.1 10.1.2.70
No need for subnet masks, this will be a Object network, not an Object-group of type network. Now in 8.3 they are a lot different.
http://www.cisco.com/en/US/docs/security/asa/asa83/configuration/guide/nat_objects.html
Check this doc for reference.
Cheers,
Mike

Cisco ASA 5520 (asa 8.2) hairpinning

Hi All,
We have a ASA 5520 (redundant) in our network which we are using for different customers. For every new customer we create a new VLAN and place their servers in this VLAN. On the ASA we create a new subinterface for every customer which is connected to the corresponding VLAN.
Most customers get a private ip-range (e.g. 192.168.x.x/24) on which they should configure their servers. Because most customers don't need to be to access eachothers server all VLAN interfaces have the same security-level of 50. I haven't enable the "same-security-traffic permit inter-interface" option, so traffic between those interfaces is blocked, as expected.
Some customers (e.g. customer A) need public webmail of smtp access to there servers. So we use both NAT and PAT to make that happen.
So, recently we've got a customer (customer B) who placed their webservers behind our ASA. Because we didn't want to use NAT statements all the time, we dediced to configure a public /29 subnet on their VLAN. Because the website on this customer's servers need to be visible for everybody, we've lowered the security-level of this VLAN interface to 40 (instead of 50) and applied some ACL's. So other customers (e.g. customer A) are also able to reach the websites of customer B. So everything is just working fine.
Now, customer A decided that they want to run their website on their own servers as well. So, I created a static PAT for TCP 80. So the website is accessible from the outside world. But.....customer B is not able to reach customer A's website on the translated address. So, I've created a second PAT (using the same public address) but this time to customer B's interface. But still, we're not able to reach customer A's website.
I've also enabled the "same-security-traffic permit intra-interface", but still the website is unreachable to customer B.
Here's a small drawing of the situation:
The ip-addresses are, of course, not real.
Can anybody place help me with this issue?

That's a very cool command that I didn't know about.
I see that the packet is drop at phase 7 (NAT-EXEMPT).
Phase: 7
Type: NAT-EXEMPT
Subtype: rpf-check
Result: DROP
Config:
Additional Information:
Forward Flow based lookup yields rule:
in id=0x74455b60, priority=6, domain=nat-exempt-reverse, deny=false
        hits=61, user_data=0x744558f0, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
        src ip=Cust_B_LAN, mask=255.255.255.240, port=0
        dst ip=Cust_A_LAN, mask=255.255.255.0, port=0, dscp=0x0
Result:
input-interface: Cust_B
input-status: up
input-line-status: up
output-interface: Cust_A
output-status: up
output-line-status: up
Action: drop
Drop-reason: (acl-drop) Flow is denied by configured rule
I seemed that I had a nonat rule messing the communication between these interfaces. After removing it, the traffic was flowing just fine.
Thanks for your support.
Ron

ASA 5520 Version 8.2(1) Split tunnel enable Process

Hi,
We have configured a cisco ASA 5520 firewall as a remote VPN. Remote VPN user connected properly but VPN user disconnected form internet. So we need to configure split tunnel. Please help us how to configure split tunnel and require parameters/field. Thanks...

Hi,
The setup is usually pretty easy
First you should create a Standard ACL that defines the networks which are found behind the VPN connection from the users perspective. In other words the networks that need to be tunneled.
For example if your LAN networks was 10.0.0.0/24
access-list SPLIT-TUNNEL standard permit 10.0.0.0 255.255.255.0
Then you would need to configure some additional things in your VPN client connections "group-policy"
For example
group-policy CLIENT attributes
split-tunnel-policy tunnelspecified
split-tunnel-network-list value SPLIT-TUNNEL
The above would essentially handle the Split Tunnel portion of the configurations. The "split-tunnel-policy" command specifies how the network selection for the VPN is handled. It might aswell be configured to specify Full Tunnel or to simply Exclude some networks. The "split-tunnel-network-list value" command tells the ASA the networks used in the Split Tunnel (the ACL we created)
Hope this helps
- Jouni

Slowness on ASA 5520

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