For example, for cisco asa firewall, different service groups are required for each wccp. Outbound redirection is performed at the software level and requires. Configure wccp on your cisco ios router on techrepublic. Achieving rapid success with wccp and web security. If a node becomes unavailable and then recovers, the nodes cache does not need to be repopulated. Web cache communications protocol wccpsome links below may open a new browser window to display the document you selected. Almost all cisco wccp capable layer3 switches prefer the ip wccp redirect in command. The router is called the wccp server and the proxy is called the wccp client. Configuring wccp with cisco asa and websense content. Cisco firewall service modules fwsms do not support wccp. Wccp configuration on cisco routers and waas may 15, 2016 wccp stands for web cache communication protocol and is mainly used for traffic redirection towards thirdparty appliances such as proxies, optimization devices or cache engines. Wccp servers intercept sessions to be cached for example, sessions from users browsing the web from a private network. Can anyone help me with a sample configuration on how it works. In a content gateway cluster, it is recommended that you not enable virtual ip failover in wccp environments.
I want to configure wccp to redirect the wireless client traffic on vlan 100 to go to our proxy server. However, if a content gateway cluster uses wccp exclusively, virtual ip failover can be used if no user authentication features are used. Common configuration methods for the websense content gateway wccp configuration starts 28 minutes into this webinar past webinar. This wccp sample configuration can be modified to work on a cisco pix or asa firewall. Performance is more better against pbr routemap, wccp uses less cpu on ciscos devices.
Network management configuration guide, cisco ios xe release. In this tutorial i will first explain the basics of how wccp forwards traffic to the proxy and then i will show you the configuration of the cisco router and the proxy using squid on. Configure wccp on your cisco ios router techrepublic. However, if a content gateway cluster uses wccp exclusively, virtual ip failover can be used if no. Configuring wccp with cisco asa and websense content gateway. Exqfx web cache communication protocol wccp is not. Network configuration section of websense manager help. Could i configure wccp on cisco 6500 for integration with websense. Upgrade if websense software is integrated with a cisco security appliance pix firewall or asa, the following configuration updates are recommended. This redirection can be to a cache engine or to a proxy, such as the web gateway. Jan 02, 2012 this is brief demonstration of wccp configuration between cisco asa series firewall and websense content gateway.
Wccp configuration example for catalyst 3560 or 3750 cisco. A list of wccp v2 supported features follows the setup outline. Cisco asa wccp support for waas configuration guide. This wccp sample configuration can be modified to work on a cisco. Hi there, i need to configure the protocol wccp a cisco proprietary protocol on a hp 12500 switch of my core network. Configure the router to enable wccp processing for these service. Cisco acns software caching configuration guide, release 4. But sometimes we had some problems clients internet connections. Software routing a router or switch that supports wccp v2 cisco iosbased routers are the most common.
Very important passage from the ciscomanual the only topology that the security appliance supports is when client and cache engine are behind the same interface of the security appliance and the cache engine can directly communicate with the client without going through the security appliance. Dears i have aproblem in configuring wccp on cisco 6500 switch so could you pls help me to know if this ios support or not the ios is system image file is supbootflash. The installer adds the new integration data to the websense software configuration files, while preserving existing configuration data. My proxy basic feature wccp enable y apply y reiniciar restart configure networking wccp. Wccp v2 and the content gateway configuration handles node failures and restarts. The web cache communication protocol wccp is a ciscodeveloped protocol that allows certain cisco routers and switches to transparently redirect traffic to a cache engine such as a proxysg appliance. The router will do this automatically when the wccp peering comes up. I have vlan 100 which wireless clients access via the aps. Jan 02, 2014 anyway, i wanted to consider moving to a wccp configuration. When wccp is enabled on the configure myproxy basic page, wccp service group settings can be configured on the configure networking wccp page. Most devices should be configured to take best advantage of hardwarebased redirection. Jul 07, 2015 configuring wccp with cisco asa and websense content gateway. When you upgrade websense software that is already integrated with a cisco product, no additional cisco configuration is necessary.
See wccp load distribution and virtual ip failover. First the wccp interface is defined, it is used for control. It is strongly recommended that you consult the documentation and the manufacturers support site for information regarding configuration and performance of your wccp v2 device. See the following chapters of this supplement to configure your cisco product to work with websense software. Wccp web cache communication protocol is a cisco protocol that lets you redirect web traffic from clients to a proxy server. Wccp configuration allows all the steelhead interceptor inpath interfaces to be individually configured as wccp clients. Wccp sample configuration for cisco firewalls forcepoint. Hp comware platform software comware software, version 5. At first configuration we use default settings for methods gre and hash. On most cisco platforms capable of wccp, gre encapsulation is going to be done in software by the cpu this means that the cpu level on your device will probably run a little bit hotter with gre wccp. Wccp on cisco asa and websense solutions experts exchange.
The wccp configuration options appear on the configure pane only if you have enabled wccp in the features table on the configure my proxy basic general tab. Typically the client devices on your network should use the wccp router ip address as their default gateway. To configure wccp you must create a service group that includes wccp servers and clients. I have a cisco 4500 core, 3750s at the edge and then some wireless aps which wifi clients connect too. Wccp step by step configuration page 2 cisco community. Typically the packets are redirected from their destination web server on the internet to a content engine that is local to the client. Web cache communications protocol wccp configuration. The web cache communication protocol wccp, developed by cisco systems, specifies interactions between one or more routers or layer 3 switches and one or more webcaches. The nfig file stores the wccp configuration information and service group settings.
That way, the asa appliance just reports information to the web filter as opposed to the web filter actually grinding its gears processing the information inline and slowing speeds. Do you see your traffic showing up on the proxy logs. Web cache communication protocol wccp is a ciscodeveloped contentrouting protocol. A service group can handle one or multiple protocols. Wccp sample configuration for cisco firewalls forcepoint support. Find answers to how to configure wccpv2 in a cisco catalyst 3560 switch for working with websense content gateway from the expert community at. It is recommended that you consult the documentation and the manufacturers support site for information regarding optimal configuration and performance of your wccp v2 device. I have issues configuring wccp on cisco 4500 switch, how i can configure cisco 4500.
Below is a sample output of the debug and show commands on cisco router specific data will vary based on configuration. Wccp enhancements in the feature guide for cisco ios software releases 12. Transparent interception with wccp v2 devices forcepoint. Wccp is only supported on the catalyst 35603750 running ip services or advanced ip services feature sets, on ios 12. L2 forwarding simply rewrites the destination mac address of the intercepted packet to equal the mac address of the target wccp client. Common configuration methods for the websense content gateway wccp configuration starts 28 minutes into this webinar. If you stopped your antivirus software, be sure to start it again. When a site is bypassed in websense content gateway, the proxy will forward the client request with the original source ip address. See ciscos asa 5500 series configuration guide for further detail. How to configure wccp or equivalent on hp12500 hp7500 hp 5800 hi there, i need to configure the protocol wccp a cisco proprietary protocol on a hp 12500 switch of my core network. Configuring web cache services using wccp components used the information in this document is based on the web cache communications protocol wccp version 2 v2.
Service groups must be defined if wccp is to be used for transparent redirection to content gateway. When using gre hash depending how wccp is configured, redirect traffic is handled by. Each configured inpath interface participates in wccp service groups as an individual wccp client, providing redundancy and flexibility to balance the redirected traffic load among inpath interfaces. Configure one or more service groups for the protocols you intend to use. This chapter describes the wccp concepts that you will need to understand in order to deploy wccp on your proxysg appliances. Web cache communications protocol wccp some links below may open a new browser window to display the document you selected. Apr 12, 2007 configure wccp on your cisco ios router. Use wccp l2 redirection as the packet forwarding method when working with switches or cisco 7600 series routers, because redirection can be performed in hardware.
Jan 17, 2018 network management configuration guide, cisco ios xe release 3se catalyst 3850 switches chapter title. Cisco adaptive security appliance software version 9. As you can see, you can configure your environment for different ports interception. We use wccp version 2 on 6500 series switch integrated with websense. It has builtin load balancing, scaling, fault tolerance, and serviceassurance failsafe mechanisms. Typically, this means turning off the service group on the wccp device for 60 seconds.
Configuring cache services using the web cache communication protocol. May 15, 2016 wccp stands for web cache communication protocol and is mainly used for traffic redirection towards thirdparty appliances such as proxies, optimization devices or cache engines. I am not able to get wccp working on the asa with websense. The wccp configuration options appear on the configure pane only if you have enabled. Web cache communication protocol wccp is a ciscodeveloped contentrouting protocol that provides a mechanism to redirect traffic flows in realtime. Anyway, i wanted to consider moving to a wccp configuration. The asa firewall redirecting the traffic is above the proxy. L2 forwarding requires that the wccp server ios is layer 2 adjacent to the wccp client. If you change the forward or return method configuration while there is an active connection with the wccp device, in order to renegotiated the method you must force the current connection to terminate. In this tutorial i will first explain the basics of how wccp forwards traffic to the proxy and then i will show you the configuration of the cisco router and the proxy using squid. With cisco devices, the most recent version of ios is usually the best. The web cache communication protocol wccp is a ciscodeveloped contentrouting technology that intercepts ip packets and redirects those packets to a destination other than that specified in the ip packet.
Apr 02, 2014 on most cisco platforms capable of wccp, gre encapsulation is going to be done in software by the cpu this means that the cpu level on your device will probably run a little bit hotter with gre wccp. To assist in configuring a cisco router for wccp, a sample configuration file can be created based on the current uss gateway configuration and wccp settings. I have a performance issue with wccp using websense v00 content filters. How to configure wccp or equivalent on hp12500 hp7500 hp 5800 hi there. Configuring wccp v2 with websense content gateway the web. Wccp provides packet distribution through two algorithms, hash and mask. Cisco web security configuring the cloud web security with asa 9. The router is the easiest part of any wccp configuration. Ive seen that the wccp configuration will autoassign to one without asking.
When a wccp service is configured as closed, wccp discards packets that do not have a wccp client registered to receive the redirected traffic. Configuring wccp v2 with websense content gateway the web proxy for web. I assume that i need to enable wccp on our core, and apply a policy to vlan 100. Configuring wccp v2 with websense content gateway the. How do you configure a web cache communication protocol wccp on a cisco catalyst 3560 or 3750 switch. By default the websense content gateway is designed to hold highest priority for. Find answers to wccp on cisco asa and websense from the expert community at experts exchange.
See upgrading websense web security solutions for upgrading instructions. Increase the size of the security appliances internal buffer to handle long url. You can configure the cisco cache engine software release. With cisco devices, the most recent version of ios is usually best. The purpose of the interaction is to establish and maintain the transparent redirection of selected types of traffic flowing through a group of routers.
Barracuda web filter 410 in wccp configuration questions. Web cache communication protocol wccp is a ciscodeveloped content routing protocol. Is incoming web traffic still blockable and filterable. In wccp gre mode, you do not have to configure any tunnel interface.
Performance is more better against pbr routemap, wccp uses less cpu on cisco s devices. I have aproblem in configuring wccp on cisco 6500 switch so could you pls help me to know if this ios support or not the ios is system image file is supbootflash. Installation guide supplement websense knowledge bases. The configuration method that i use is to have separate vlan for the websense. Its also used as a hello message so the router knows when the proxy is down. This is brief demonstration of wccp configuration between cisco asa series firewall and websense content gateway. Ive tried to make a redirect list to some traffic from asa to websense. Cisco web security appliance wsa and cisco catalyst 3560 or 3750 wccp is only supported on the catalyst 35603750 running ip services or advanced ip services feature sets, on ios 12. This configuration example used on cisco 2911 with squid 3. Wccp best practices for cisco waas it tips for systems. See cisco s asa 5500 series configuration guide for further detail.
Very important passage from the cisco manual the only topology that the security appliance supports is when client and cache engine are behind the same interface of the security appliance and the cache engine can directly communicate with the client without going through the security appliance. The wccp layer 2 pfc redirection feature sets the ip flow mask to fullflow mode. This line shown below creates the access list used to define the proxy. So we tried to find out, what the problem is, and its about 6500 side or webs. How it works wccp works by placing a wccp capable router. Solved asa 5505 with squid and wccp cisco spiceworks.
How to configure wccpv2 in a cisco catalyst 3560 switch. Use wccp gre encapsulation when working with routers because most routers do not support l2 redirection. Introduction web cache communication protocol wccp is a technology developed by cisco that allows transparent redirection of network traffic in realtime. Network management configuration guide, cisco ios xe release 3se catalyst 3850 switches chapter title. If the route supports l2gre as a forwarding method, iwsva should select l2 when the router and iwsva are in the same network. Wccp is a method by which the asa can redirect traffic to a wccp caching engine through a generic routing encapsulation gre tunnel. Network management configuration guide, cisco ios xe. Configexamplesinterceptciscoasawccp2 squid web proxy wiki. May 31, 20 this document describes concepts, limitations, and configuration of the web cache coordination protocol wccp on a cisco adaptive security appliance asa. Web cache communication protocol wccp is a cisco developed contentrouting protocol that provides a mechanism to redirect traffic flows in realtime. This ensures that traffic continues to optimize in the event of a steelhead. Configure cisco asa and squid or waas for wccp itsecworks. Software routing a router or switch that supports wccp v2 cisco iosbased. Forcontentenginesrunningapplicationandcontentnetworkingsystemacns software,usethewccp customwebcachecommandwiththemaskassignkeywordtoconfiguremaskassignment.
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