Cisco VPN :: ASA 5505 To Use Router For Creating Policy Based Routing
May 29, 2011
I have an ASA 5505 at each of three locations. We have VPN tunnels set up between the three sites. I am currently using a single ISP to control the traffic between the sites. I am adding a new ISP to the mix. The goal is to have any internet traffic routed to ISP 2 and all internal traffic routed to ISP 1.The ASA does not do policy based routing (mostly because it is a firewall, not a router). I need to configure a router that will accept the output of the ASA and route it according to the above rule. All incoming routing will be done through ISP 1. Any suggestion on the device and the methodology to set it up? I am planning on doing this in each location.
Last night I had a crack at setting up PBR on my companies Cisco 1811.Joy, I thought, it's actually working. Alas I was wrong, the addresses were getting translated to our ADSLs external ip address but routed over our EFM.What I want to acheive is to send all HTTP(s) traffic from our workstations over the ADSL (FastEthernet1) whilst all other traffic and VPN goes out over our Bonded ADSL (FastEthernet0). There is also a minor failover in place for traffic routed to the ADSL in the route-map PBR_VLAN1. The servers are on IPs 200, 202, 204 and 240.
Anyway, I have re-written the configuration and xxx'd and x.a/b/c'd all the IP addresses I want to keep secret. Need to make sure that the PBR is correct, and will do what I want it to? I have a very small time-frame to get this correct and I dont want to fudge the bucket so to speak.
I have a 1941 router configured for Policy based routing with two ISPs.Two static default routes configured to point the gateways of respoective ISPs with same metric.But the problem is, packets are going throug the one ISP only while doing traceroute.
ISP1-----> <----------------------> LAN1 | Router | ISP-------> <----------------------> LAN 2
Below is my configuration :
Current configuration : 5958 bytes ! ! Last configuration change at 05:18:56 UTC Mon Jun 25 2012 ! version 15.0 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption
I have been using a route map to pick WAN exit points (PBR) on a 3725 router. This have been working fine with /24 networks. I am trying to pick the first /28 piece out of the 10.1.1.0 network and send it out a different exit from the rest of that network. I have tried the /28 entry at the start and end of the route map, although I thought the first match would stop any further route map processing. The entry does not seem to have any effect, as traffic from all addresses in the 10.1.1.0 /24 network exit per the "route-map 10-LAN permit 11" section.
access-list 5 remark Ten Dot 1 low 63 IPs access-list 5 remark SDM_ACL Category=2access-list 5 remark Ten Dot One Low 63 IPs access-list 5 permit 10.1.1.0 0.0.0.63 log [ code]....
I have a simple design with 3750. I configured a route-map which define a next hop. I defined this route-map on a policy on a vlan interface.When I test some ping and a debug ip policy and it seems that my policy never match.Is there any mechanism that prevent the switch from using PBR? I think of CEF .
In our datacenter we have a 3750 stack with IP base image. I have enabled PBR and reloaded the switch. Show sdm prefer says i am using default template. The reason i want to use PBR is that we have 2 firewalls on the same work and want to be able to have granular control over which gateway out of the network they use but still be able to access all internal resouces accross wan and locally.
Created access list to identify traffic:
access-list 10 permit 10.2.3.59 (test workstation on vlan 3)
route-map TestASA permit 10 match ip address 10 set ip next-hop 10.2.0.3
Assigned policy to the user vlan3:
ip policy route-map TestASA
Results:It changed the default gateway to the above gateway but i could not access any resources on any other vlan, could not access resouces accross wan.
I have tried to make policy based routing on Cisco 3560. I use ipservices ios (SW version 12.2.(50)SE3 and SW-IMAGE C3560-IPSERVICESK9-M) For below configuration there is no problem and pbr is working.
“Access-list 100 permit ip host 220.127.116.11 host 18.104.22.168 Access-list 101 permit ip host 22.214.171.124 host 126.96.36.199 Route-map pbr1 permit 10 Match ip address 100 Set ip next-hop verify-availability 188.8.131.52 1 track 11 interface fasthethernet 0/1 ip policy route-map pbr1”
But when i add another sequence to the "pbr1" with another sequence number like that.
“Route-map pbr1 permit 11 Match ip address 101 Set ip next-hop verify-availability 184.108.40.206 1 track 12”
pbr is not working. Switch gives message "PLATFORM_PBR-3-UNSUPPORTTED_RMP:Route-map pbr1 not supported for Policy Based Routing”"ip policy route-map pbr1" command not shown in the running config. And "show ip policy" output is blank.Configuration guide says you have insert many sequence to the route-map with the same name. And also this command is not in the unsupported command list.
I have a simple design with 3750.I configured a route-map which define a next hop.I defined this route-map on a policy on a vlan interface.When I test some ping and a debug ip policy and it seems that my policy never match.Is there any mechanism that prevent the switch from using PBR?
I have problem while implementing policy based routing with a firewall. Let me explain in detail.
I have 2 remote site(Site A-small , Site B - Big) , Site B is connected with HQ with Tunnels 1 and 2 , Site B and Site A is connected with Tunnel 9941.
What I want is: Scenirio for Communication :
1)Site A--------->VPN Router Site B-----------> FW-------------->VPN Router Site B------------------>Central Site 2)Central Site--------->VPN Router Site B-----------> FW---------->VPN Router Site B-------------->Site A 3)Site B--------->FW-------------------->VPN Router Site B------>Central Site 4)Central Site--------->VPN Router Site B-------------------->FW------>Site B 5)Site A--------->VPN Router Site B-----------> Site B(no firewall) 6)Site B--------->VPN Router Site B-----------> Site A(no firewall)
I am having a problem with PBR done on a 7604-S router - It seems like it is not done in harware. I have an Iperf client and an Iperf server, and would like to test the performance of 7600 router for PBR, supervisor is RSP720-3C-G and used interface card is 7600-ES20-GE3C ESM20G.
I have read numerous discussions about PBR that is supposed to happen in hardware when you use it with matching access-list and set ip next-hop.Although, when I start the iperf, the 7600 cpu is hitting the 80-90 % boundary, and transfer bandwidth can't go over 120-130 Mbit/s.The IP Policy is applied on an interface part of vrf ONE maybe this is casing the problem... ?
The diagram and configuration follows: Configuration:
c7604#sh run boot system flash disk0:c7600rsp72043-advipservicesk9-mz.122-33.SRE2.bin ! ip vrf one [Code]...
I've been implementing a setup where a remote office has a Cisco 1900 router. There are 2 GRE/ IP SEC tunnels to the headquarters, 1 over public internet, 1 over a private cloud. Because of some MTU issues we have to clear the DF bit for some of the traffic, but we also want to use PBR to send https traffic over the "public internet" tunnel and the rest of the traffic over the "private cloud" tunnel. I'm able to clear the DF bit and to do the PBR with route-maps, but I'm not able to implement both functionality at the same time.
I have 3560 with attached 3 networks, 172.16.1.0/24 172.16.2.0/24 and 172.16.4.0/24, all of them have a vlan interface, 172.16.1.254, 172.16.2.254, and 172.16.4.254, I have enabled intervlan routing with command ip routing and they have route beetwen each other. Now I want to create PBR and let them go to the internet from different gateways.
so i did 3 access list:
access-list 20 permit 172.16.1.0 0.0.0.255 access-list 10 permit 172.16.2.0 0.0.0.255 access-list 30 permit 172.16.4.0 0.0.0.255 and 3 pbr route-map supnet permit 20 match ip address 10 set ip next-hop 172.16.2.3 route-map blade permit 20 match ip address 30 set ip next-hop 172.16.4.250 route-map main permit 20 match ip address 20 set ip next-hop 172.16.1.4
attached them to corresponding vlan interfaces and everything ok they have different gateways to internet but now I dont have routing beetwen them?
I need to setup my 6509 with PBR going to two different Firewalls. The 6509 has vlans and multiple serial interfaces. What/where do I install the policy-maps? I want to direct one of the vlans to one firewall and the other vlans and wan subnets to the other firewall.
I read the User Guide section on Internet Access Policy for the Linksys E3000 but I could not find this menu to create a policy from the web interface. I have the latest firmware version (1.0.04 Build 6,)
The manual states how to create an inbound traffic policy but if you follow the directions there is no place to select inbound traffic.From the manual: To Create an Inbound Traffic Policy1. Enter a Policy Name in the field provided. SelectInbound Traffic as the Policy Type.2. Enter the IP Address from which you want to block.Select the Protocol: TCP, UDP, or Both. Enter the portnumber or select Any. Enter the IP Address to whichyou want to block.3. Select Deny or Allow as appropriate.4. By selecting the appropriate setting next to Days andTime, choose when the Inbound Traffic will be filtered.5. Lastly, click the Save Settings button to activate thepolicy.When finished making your changes on this tab, click theSave Settings button to save these changes, or click theCancel Changes button to undo your changes.I want to filter out a range of ip addresses from trying to connect to my network.
Is it possible to establish PBR rules that set the ip next-hop to point directly to the inside interface of the ASA5550?Or, do I need to direct this PBR traffic first to a directly connected router interface and then default route to the ASA?At a high level, here's what we have:
ISP 1 - with /21 IP PrefixNo BGP Routing3845 Edge Router - Default Route to ISP 1PIX535 Firewalls (HA) - Default Route to Edge RouterLAN Core/Distribution - Default Route to PIX535 Inside InterfaceAll applications/services use this egress path for PAT/NAT/DMZ/VPN/Etc.
Here's what we are adding:
ISP 2 - with /24 IP PrefixNo BGP Routing3925E Edge Router - Default Route to ISP 2ASA5550 Firewalls (HA) - Default Route to Edge RouterSame connectivity to LAN Core/Distribution
Goals:Maintain ISP 1 for nowMigrate only end user Internet traffic to ISP 2No disruptions to applications/services using current DefGW to PIX535
Question: how to best use PBR to selectively direct traffic to the ASA inside interface?
configuring policy based route for my cisco router?Basically, I have a 2811 cisco router with 2 ADSL ports. 1 port is for iiNet line and another port is for Telstra line.I want to configure a policy based route on the router so that:Any traffic coming from 1 internal IP (i.e. 172.16.x.1) will go through iinet line (i.e. Dialer 0) interface.Any traffic from rest of the office will go through the Telstra line (i.e. Dialer 1) interface. Is there any easy way to configure this policy based route?
I have made some test and i noticed that qos input policy does not classify the icmp packet based on their dscp.The "match dscp ef" or "match precedence 5" is not working only the "match protocol icmp" shows hits.
We need to classify the different icmp packets based on dscp ( TOS ) for measurement purpose.CISCO 7200, 12.4.25d and 12.4.20T have a same behavior.
How can I configure police-based nat to allow ICMP-only traffic on asaos 8.4.1 or 8.3?On 8.3 it was very simple:global (outside) 1 interface ,access-list outside_nat_outbound extended permit icmp any any,nat (outside) 1 access-list outside_nat_outbound.
I'm trying to configure a zone-based firewall on an SR520 and am confused about the 'not' criterion. The 'zone-design-guide' says (my stress): Class- maps define the traffic that the firewall selects for policy application. Layer 4 class-maps sort the traffic based on these criteria listed here. These criteria are specified using the match.where my intention is to let only LAN hosts with IPs in the range 192.168.1.1 to 192.168.1.7 out through the firewall. There may be an easier way of doing this which I'd be pleased to hear about. But, even if there is, I'd also be interested to know what I'm doing wrong in the above.
I have set up a zone-based policy firewall with HA on two 2911 routers as per the Cisco security configuration guide, for an active/passive LAN-LAN cluster. All works as expected, but there is one problem I find: when the control link between the two devices fails, they go into an active/active state as each member assumes it's the last surviving member. The ARP entries for the Virtual IPs on the neighboring devices point to the device that last claimed the active role (usually the standby device). This works in a way, just sessions don't get synched anymore (control link is the same as data link). Now when the link comes back up, the preemtion works and the active, former standby device goes back to standby. But the ARP entries on the neighboring devices still point to the standby device and nothing goes (also sessions established during the active/active state are lost due to resync with the now active member).
This is a single point of failure and what I need is a way to mitigate that. Under:
redundancy application redundancy group 1 control <interface> protocol 1
only one control interface is allowed. Other manufacturers with similar functionality provide for the possibilty of a backup control link, for example the internal LAN interface or a dedicated backup link.
How would I go about that? Maybe use a port-channel for the control/data link (but I'm out of interfaces)?
Our external security department needs to scan, every three months, a computer behind the firewall. I need to create a simple NAT rule that will allow an ip address or subnet to the computers behind the ASA 5505. At the moment, we have a simple NAT rule which allow all network traffic to exit from inside to outside.
I have created a simple static ip address by using this command:
interface Vlan1 nameif inside security-level 100
But, no matter what, the I can't ping the static address or access the computer 10.2.1.2 from outside of the asa 5505. I have attempted to ping from inside of the asa 5505 or from another computer. I just does not work.
I also have created several rules that allows icmp traffic.
icmp unreachable rate-limit 1 burst-size 1 icmp permit any echo-reply inside icmp permit 10.2.1.0 255.255.255.0 inside icmp permit any echo-reply outside icmp permit any outside