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dotnet remoting : Problem using Remoting with 2 NICs
is DHCP, NIC 2 is fixed IP Address. I have clients connecting successfully on NIC 1, but clients connecting to NIC 2 fail when accessing the methods of the inner classes of the Class Factory. For each NIC (IP Address), I create a Server Channel as follows, using a different channel name for each NIC (IP Address), and binding the channel to the IPAddress of the NIC: private void RegisterServerChannel(string name, int port, IPAddress ipAddress) { IDictionary props = new Hashtable(); props["name"] = name; props["port"] = port; props["bindTo"] = ipAddress.ToString(); props["strictBinding"] = true; BinaryServerFormatterSinkProvider serverProv = new BinaryServerFormatterSinkProvider(); serverProv.TypeFilterLevel = System.Runtime.Serialization.Formatters.TypeFilterLevel.Full; BinaryClientFormatterSinkProvider clientProv = new BinaryClientFormatterSinkProvider(); HttpChannel chnl = new HttpChannel(props, clientProv, serverProv); ChannelServices.RegisterChannel(chnl); } After each Server Channel is registered, I call: RemotingServices.Marshal(classFactory, objURI, typeof(IClassFactory)); I have a shared assembly that contains the interfaces for the classes (simplified): namespace SharedInterfaces { public interface IClassFactory { string SomeString{ get; set; } IInnerClass InnerClass { get; } } public interface IInnerClass { bool SomeValue { get; } } } When both NICs are enabled (clients connected to NIC 1 work perfectly). Clients on NIC 2 can connect and successfully call IClassFactory.SomeString, but when the Client on NIC 2 calls IClassFactory.InnerClass.SomeValue, I get the following excetion: System.Net.WebException: The underlying connection was closed: Unable to connect to the remote server. Server stack trace: at System.Net.HttpWebRequest.CheckFinalStatus() at System.Net.HttpWebRequest.EndGetRequestStream(IAsyncResult asyncResult) at System.Net.HttpWebRequest.GetRequestStream() at System.Runtime.Remoting.Channels.Http.HttpClientTransportSink.ProcessAndSend(IMessage msg, ITransportHeaders headers, Stream inputStream) at System.Runtime.Remoting.Channels.Http.HttpClientTransportSink.ProcessMessage(IMessage msg, ITransportHeaders requestHeaders, Stream requestStream, ITransportHeaders& responseHeaders, Stream& responseStream) at System.Runtime.Remoting.Channels.BinaryClientFormatterSink.SyncProcessMessage(IMessage msg) Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at SharedInterfaces.IInnerClass.get_SomeValue() If I disable NIC1, the clients can access the inner classes of the class factory on NIC 2. With both NIC 1 and NIC 2 enabled, the clients on NIC 2 can access "top level" mehtods of the class factory, but cannot access the methods referencing the inner classes. In short, the applicaiton works fine when there is only 1 NIC, but something is going wrong when using 2 NICs. I suspect that I have something missing in my configuration, but I am not able to find it. Any input is greatly appreciated. Thanks in advance. --
Do the 2 NIC's ever share the same IP Subnet ?
e.g. NIC#1 DHCP Assigned 192.168.10.20 NIC#2 Static 192.168.10.1 Chaz [quoted text, click to view] "KidO" <KidO@community.nospam> wrote in message news:CBF9BB69-D939-406B-928A-0038A5A382D1@microsoft.com... >I have a remoting server (Class Factory) running on a PC with 2 NICs. NIC >1 > is DHCP, NIC 2 is fixed IP Address. > > I have clients connecting successfully on NIC 1, but clients connecting to > NIC 2 fail when accessing the methods of the inner classes of the Class > Factory. > > For each NIC (IP Address), I create a Server Channel as follows, using a > different channel name for each NIC (IP Address), and binding the channel > to > the IPAddress of the NIC: > > private void RegisterServerChannel(string name, int port, IPAddress > ipAddress) > { > IDictionary props = new Hashtable(); > props["name"] = name; > props["port"] = port; > props["bindTo"] = ipAddress.ToString(); > props["strictBinding"] = true; > > BinaryServerFormatterSinkProvider serverProv = > new BinaryServerFormatterSinkProvider(); > serverProv.TypeFilterLevel = > System.Runtime.Serialization.Formatters.TypeFilterLevel.Full; > BinaryClientFormatterSinkProvider clientProv = > new BinaryClientFormatterSinkProvider(); > > HttpChannel chnl = new HttpChannel(props, clientProv, serverProv); > > ChannelServices.RegisterChannel(chnl); > } > > After each Server Channel is registered, I call: > RemotingServices.Marshal(classFactory, objURI, typeof(IClassFactory)); > > I have a shared assembly that contains the interfaces for the classes > (simplified): > > namespace SharedInterfaces > { > public interface IClassFactory > { > string SomeString{ get; set; } > IInnerClass InnerClass { get; } > } > > public interface IInnerClass > { > bool SomeValue { get; } > } > } > > When both NICs are enabled (clients connected to NIC 1 work perfectly). > Clients on NIC 2 can connect and successfully call > IClassFactory.SomeString, > but when the Client on NIC 2 calls IClassFactory.InnerClass.SomeValue, I > get > the following excetion: > > System.Net.WebException: The underlying connection was closed: Unable to > connect to the remote server. > > Server stack trace: > at System.Net.HttpWebRequest.CheckFinalStatus() > at System.Net.HttpWebRequest.EndGetRequestStream(IAsyncResult > asyncResult) > at System.Net.HttpWebRequest.GetRequestStream() > at > System.Runtime.Remoting.Channels.Http.HttpClientTransportSink.ProcessAndSend(IMessage > msg, ITransportHeaders headers, Stream inputStream) > at > System.Runtime.Remoting.Channels.Http.HttpClientTransportSink.ProcessMessage(IMessage > msg, ITransportHeaders requestHeaders, Stream requestStream, > ITransportHeaders& responseHeaders, Stream& responseStream) > at > System.Runtime.Remoting.Channels.BinaryClientFormatterSink.SyncProcessMessage(IMessage > msg) > > Exception rethrown at [0]: > at > System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage > reqMsg, IMessage retMsg) > at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& > msgData, Int32 type) > at SharedInterfaces.IInnerClass.get_SomeValue() > > If I disable NIC1, the clients can access the inner classes of the class > factory on NIC 2. With both NIC 1 and NIC 2 enabled, the clients on NIC 2 > can access "top level" mehtods of the class factory, but cannot access the > methods referencing the inner classes. > > In short, the applicaiton works fine when there is only 1 NIC, but > something > is going wrong when using 2 NICs. I suspect that I have something missing > in > my configuration, but I am not able to find it. > > Any input is greatly appreciated. > > Thanks in advance. > -- > - John
Chaz,
Thanks for the reply. Yes, the 2 NIC's do share the same subnet. My first attempt at correcting the problem was to change the subnet of one of the NICs. One side (static IP - is a small workgroup LAN) Unfortunately, this did not correct the problem. I have found that adding the property props["useIpAddress"] = false; to the channel configuration (see RegisterServerChannel method from my original post) when creating the Http Channel(s) allows me to succesfully connect to the server from either NIC. The server itself is currently running in a dual NIC configuration at another installation with no problems. This installation was performed about 10 months ago. I know that no OS level changes have been made on that server since the software was installed. The PC in which the server is installed now is a fully up to date WinXP Pro_SP2 box. I am suspecting that something has changed at the OS (API) level between then and now. I currently have a case open with MS suuport in hopes to get to the bottom of the problem. Thanks, -- - John [quoted text, click to view] "Chaz" wrote:
> Do the 2 NIC's ever share the same IP Subnet ? > > e.g. NIC#1 DHCP Assigned 192.168.10.20 > NIC#2 Static 192.168.10.1 > > Chaz > > "KidO" <KidO@community.nospam> wrote in message > news:CBF9BB69-D939-406B-928A-0038A5A382D1@microsoft.com... > >I have a remoting server (Class Factory) running on a PC with 2 NICs. NIC > >1 > > is DHCP, NIC 2 is fixed IP Address. > > > > I have clients connecting successfully on NIC 1, but clients connecting to > > NIC 2 fail when accessing the methods of the inner classes of the Class > > Factory. > > > > For each NIC (IP Address), I create a Server Channel as follows, using a > > different channel name for each NIC (IP Address), and binding the channel > > to > > the IPAddress of the NIC: > > > > private void RegisterServerChannel(string name, int port, IPAddress > > ipAddress) > > { > > IDictionary props = new Hashtable(); > > props["name"] = name; > > props["port"] = port; > > props["bindTo"] = ipAddress.ToString(); > > props["strictBinding"] = true; > > > > BinaryServerFormatterSinkProvider serverProv = > > new BinaryServerFormatterSinkProvider(); > > serverProv.TypeFilterLevel = > > System.Runtime.Serialization.Formatters.TypeFilterLevel.Full; > > BinaryClientFormatterSinkProvider clientProv = > > new BinaryClientFormatterSinkProvider(); > > > > HttpChannel chnl = new HttpChannel(props, clientProv, serverProv); > > > > ChannelServices.RegisterChannel(chnl); > > } > > > > After each Server Channel is registered, I call: > > RemotingServices.Marshal(classFactory, objURI, typeof(IClassFactory)); > > > > I have a shared assembly that contains the interfaces for the classes > > (simplified): > > > > namespace SharedInterfaces > > { > > public interface IClassFactory > > { > > string SomeString{ get; set; } > > IInnerClass InnerClass { get; } > > } > > > > public interface IInnerClass > > { > > bool SomeValue { get; } > > } > > } > > > > When both NICs are enabled (clients connected to NIC 1 work perfectly). > > Clients on NIC 2 can connect and successfully call > > IClassFactory.SomeString, > > but when the Client on NIC 2 calls IClassFactory.InnerClass.SomeValue, I > > get > > the following excetion: > > > > System.Net.WebException: The underlying connection was closed: Unable to > > connect to the remote server. > > > > Server stack trace: > > at System.Net.HttpWebRequest.CheckFinalStatus() > > at System.Net.HttpWebRequest.EndGetRequestStream(IAsyncResult > > asyncResult) > > at System.Net.HttpWebRequest.GetRequestStream() > > at > > System.Runtime.Remoting.Channels.Http.HttpClientTransportSink.ProcessAndSend(IMessage > > msg, ITransportHeaders headers, Stream inputStream) > > at > > System.Runtime.Remoting.Channels.Http.HttpClientTransportSink.ProcessMessage(IMessage > > msg, ITransportHeaders requestHeaders, Stream requestStream, > > ITransportHeaders& responseHeaders, Stream& responseStream) > > at > > System.Runtime.Remoting.Channels.BinaryClientFormatterSink.SyncProcessMessage(IMessage > > msg) > > > > Exception rethrown at [0]: > > at > > System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage > > reqMsg, IMessage retMsg) > > at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& > > msgData, Int32 type) > > at SharedInterfaces.IInnerClass.get_SomeValue() > > > > If I disable NIC1, the clients can access the inner classes of the class > > factory on NIC 2. With both NIC 1 and NIC 2 enabled, the clients on NIC 2 > > can access "top level" mehtods of the class factory, but cannot access the > > methods referencing the inner classes. > > > > In short, the applicaiton works fine when there is only 1 NIC, but > > something > > is going wrong when using 2 NICs. I suspect that I have something missing > > in > > my configuration, but I am not able to find it. > > > > Any input is greatly appreciated. > > > > Thanks in advance. > > -- > > - John > >
Having 2 NIC's configured with IP's in the same subnet on any PC is
generally a bad idea, it does not perform load balancing as you would expect. Is there some reason you have set it up this way ? Chaz [quoted text, click to view] "KidO" <KidO@community.nospam> wrote in message news:1BF04534-7988-424C-A0A9-C371D19F39DF@microsoft.com... > Chaz, > > Thanks for the reply. > > Yes, the 2 NIC's do share the same subnet. My first attempt at correcting > the problem was to change the subnet of one of the NICs. One side (static > IP > - is a small workgroup LAN) Unfortunately, this did not correct the > problem. > > I have found that adding the property > > props["useIpAddress"] = false; > > to the channel configuration (see RegisterServerChannel method from my > original post) when creating the Http Channel(s) allows me to succesfully > connect to the server from either NIC. > > The server itself is currently running in a dual NIC configuration at > another installation with no problems. This installation was performed > about > 10 months ago. I know that no OS level changes have been made on that > server > since the software was installed. The PC in which the server is installed > now is a fully up to date WinXP Pro_SP2 box. I am suspecting that > something > has changed at the OS (API) level between then and now. I currently have > a > case open with MS suuport in hopes to get to the bottom of the problem. > > Thanks, > -- > - John > > > "Chaz" wrote: > >> Do the 2 NIC's ever share the same IP Subnet ? >> >> e.g. NIC#1 DHCP Assigned 192.168.10.20 >> NIC#2 Static 192.168.10.1 >> >> Chaz >> >> "KidO" <KidO@community.nospam> wrote in message >> news:CBF9BB69-D939-406B-928A-0038A5A382D1@microsoft.com... >> >I have a remoting server (Class Factory) running on a PC with 2 NICs. >> >NIC >> >1 >> > is DHCP, NIC 2 is fixed IP Address. >> > >> > I have clients connecting successfully on NIC 1, but clients connecting >> > to >> > NIC 2 fail when accessing the methods of the inner classes of the Class >> > Factory. >> > >> > For each NIC (IP Address), I create a Server Channel as follows, using >> > a >> > different channel name for each NIC (IP Address), and binding the >> > channel >> > to >> > the IPAddress of the NIC: >> > >> > private void RegisterServerChannel(string name, int port, IPAddress >> > ipAddress) >> > { >> > IDictionary props = new Hashtable(); >> > props["name"] = name; >> > props["port"] = port; >> > props["bindTo"] = ipAddress.ToString(); >> > props["strictBinding"] = true; >> > >> > BinaryServerFormatterSinkProvider serverProv = >> > new BinaryServerFormatterSinkProvider(); >> > serverProv.TypeFilterLevel = >> > System.Runtime.Serialization.Formatters.TypeFilterLevel.Full; >> > BinaryClientFormatterSinkProvider clientProv = >> > new BinaryClientFormatterSinkProvider(); >> > >> > HttpChannel chnl = new HttpChannel(props, clientProv, serverProv); >> > >> > ChannelServices.RegisterChannel(chnl); >> > } >> > >> > After each Server Channel is registered, I call: >> > RemotingServices.Marshal(classFactory, objURI, >> > typeof(IClassFactory)); >> > >> > I have a shared assembly that contains the interfaces for the classes >> > (simplified): >> > >> > namespace SharedInterfaces >> > { >> > public interface IClassFactory >> > { >> > string SomeString{ get; set; } >> > IInnerClass InnerClass { get; } >> > } >> > >> > public interface IInnerClass >> > { >> > bool SomeValue { get; } >> > } >> > } >> > >> > When both NICs are enabled (clients connected to NIC 1 work perfectly). >> > Clients on NIC 2 can connect and successfully call >> > IClassFactory.SomeString, >> > but when the Client on NIC 2 calls IClassFactory.InnerClass.SomeValue, >> > I >> > get >> > the following excetion: >> > >> > System.Net.WebException: The underlying connection was closed: Unable >> > to >> > connect to the remote server. >> > >> > Server stack trace: >> > at System.Net.HttpWebRequest.CheckFinalStatus() >> > at System.Net.HttpWebRequest.EndGetRequestStream(IAsyncResult >> > asyncResult) >> > at System.Net.HttpWebRequest.GetRequestStream() >> > at >> > System.Runtime.Remoting.Channels.Http.HttpClientTransportSink.ProcessAndSend(IMessage >> > msg, ITransportHeaders headers, Stream inputStream) >> > at >> > System.Runtime.Remoting.Channels.Http.HttpClientTransportSink.ProcessMessage(IMessage >> > msg, ITransportHeaders requestHeaders, Stream requestStream, >> > ITransportHeaders& responseHeaders, Stream& responseStream) >> > at >> > System.Runtime.Remoting.Channels.BinaryClientFormatterSink.SyncProcessMessage(IMessage >> > msg) >> > >> > Exception rethrown at [0]: >> > at >> > System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage >> > reqMsg, IMessage retMsg) >> > at >> > System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& >> > msgData, Int32 type) >> > at SharedInterfaces.IInnerClass.get_SomeValue() >> > >> > If I disable NIC1, the clients can access the inner classes of the >> > class >> > factory on NIC 2. With both NIC 1 and NIC 2 enabled, the clients on >> > NIC 2 >> > can access "top level" mehtods of the class factory, but cannot access >> > the >> > methods referencing the inner classes. >> > >> > In short, the applicaiton works fine when there is only 1 NIC, but >> > something >> > is going wrong when using 2 NICs. I suspect that I have something >> > missing >> > in >> > my configuration, but I am not able to find it. >> > >> > Any input is greatly appreciated. >> > >> > Thanks in advance. >> > -- >> > - John >> >> >>
I agree with you on the 2 NIC's with same subnet being a bad idea. In this
case, the end-customer's internal LAN subnet (connected to NIC1) was the same as the subnet we normally use on NIC2 for a private workgroup. The subnet on NIC2 is determined by a piece of hardware, which I am currently not able to change the subnet on. Fortunately, the same subnet for each NIC was not the cause of the problem. I tested in both cases where the NIC's had the same subnet, and different subnets. Each case resulted in the same error. Setting the http channels useIpAddress property to false on the server fixed the error. Thanks, -- - John [quoted text, click to view] "Chaz" wrote:
> Having 2 NIC's configured with IP's in the same subnet on any PC is > generally a bad idea, it does not perform load balancing as you would > expect. Is there some reason you have set it up this way ? > > Chaz > > > "KidO" <KidO@community.nospam> wrote in message > news:1BF04534-7988-424C-A0A9-C371D19F39DF@microsoft.com... > > Chaz, > > > > Thanks for the reply. > > > > Yes, the 2 NIC's do share the same subnet. My first attempt at correcting > > the problem was to change the subnet of one of the NICs. One side (static > > IP > > - is a small workgroup LAN) Unfortunately, this did not correct the > > problem. > > > > I have found that adding the property > > > > props["useIpAddress"] = false; > > > > to the channel configuration (see RegisterServerChannel method from my > > original post) when creating the Http Channel(s) allows me to succesfully > > connect to the server from either NIC. > > > > The server itself is currently running in a dual NIC configuration at > > another installation with no problems. This installation was performed > > about > > 10 months ago. I know that no OS level changes have been made on that > > server > > since the software was installed. The PC in which the server is installed > > now is a fully up to date WinXP Pro_SP2 box. I am suspecting that > > something > > has changed at the OS (API) level between then and now. I currently have > > a > > case open with MS suuport in hopes to get to the bottom of the problem. > > > > Thanks, > > -- > > - John > > > > > > "Chaz" wrote: > > > >> Do the 2 NIC's ever share the same IP Subnet ? > >> > >> e.g. NIC#1 DHCP Assigned 192.168.10.20 > >> NIC#2 Static 192.168.10.1 > >> > >> Chaz > >> > >> "KidO" <KidO@community.nospam> wrote in message > >> news:CBF9BB69-D939-406B-928A-0038A5A382D1@microsoft.com... > >> >I have a remoting server (Class Factory) running on a PC with 2 NICs. > >> >NIC > >> >1 > >> > is DHCP, NIC 2 is fixed IP Address. > >> > > >> > I have clients connecting successfully on NIC 1, but clients connecting > >> > to > >> > NIC 2 fail when accessing the methods of the inner classes of the Class > >> > Factory. > >> > > >> > For each NIC (IP Address), I create a Server Channel as follows, using > >> > a > >> > different channel name for each NIC (IP Address), and binding the > >> > channel > >> > to > >> > the IPAddress of the NIC: > >> > > >> > private void RegisterServerChannel(string name, int port, IPAddress > >> > ipAddress) > >> > { > >> > IDictionary props = new Hashtable(); > >> > props["name"] = name; > >> > props["port"] = port; > >> > props["bindTo"] = ipAddress.ToString(); > >> > props["strictBinding"] = true; > >> > > >> > BinaryServerFormatterSinkProvider serverProv = > >> > new BinaryServerFormatterSinkProvider(); > >> > serverProv.TypeFilterLevel = > >> > System.Runtime.Serialization.Formatters.TypeFilterLevel.Full; > >> > BinaryClientFormatterSinkProvider clientProv = > >> > new BinaryClientFormatterSinkProvider(); > >> > > >> > HttpChannel chnl = new HttpChannel(props, clientProv, serverProv); > >> > > >> > ChannelServices.RegisterChannel(chnl); > >> > } > >> > > >> > After each Server Channel is registered, I call: > >> > RemotingServices.Marshal(classFactory, objURI, > >> > typeof(IClassFactory)); > >> > > >> > I have a shared assembly that contains the interfaces for the classes > >> > (simplified): > >> > > >> > namespace SharedInterfaces > >> > { > >> > public interface IClassFactory > >> > { > >> > string SomeString{ get; set; } > >> > IInnerClass InnerClass { get; } > >> > } > >> > > >> > public interface IInnerClass > >> > { > >> > bool SomeValue { get; } > >> > } > >> > } > >> > > >> > When both NICs are enabled (clients connected to NIC 1 work perfectly). > >> > Clients on NIC 2 can connect and successfully call > >> > IClassFactory.SomeString, > >> > but when the Client on NIC 2 calls IClassFactory.InnerClass.SomeValue, > >> > I > >> > get > >> > the following excetion: > >> > > >> > System.Net.WebException: The underlying connection was closed: Unable > >> > to > >> > connect to the remote server. > >> > > >> > Server stack trace: > >> > at System.Net.HttpWebRequest.CheckFinalStatus() > >> > at System.Net.HttpWebRequest.EndGetRequestStream(IAsyncResult > >> > asyncResult) > >> > at System.Net.HttpWebRequest.GetRequestStream() > >> > at > >> > System.Runtime.Remoting.Channels.Http.HttpClientTransportSink.ProcessAndSend(IMessage > >> > msg, ITransportHeaders headers, Stream inputStream) > >> > at > >> > System.Runtime.Remoting.Channels.Http.HttpClientTransportSink.ProcessMessage(IMessage > >> > msg, ITransportHeaders requestHeaders, Stream requestStream, > >> > ITransportHeaders& responseHeaders, Stream& responseStream) > >> > at > >> > System.Runtime.Remoting.Channels.BinaryClientFormatterSink.SyncProcessMessage(IMessage > >> > msg) > >> > > >> > Exception rethrown at [0]: > >> > at > >> > System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage > >> > reqMsg, IMessage retMsg) > >> > at > >> > System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& > >> > msgData, Int32 type) > >> > at SharedInterfaces.IInnerClass.get_SomeValue() > >> > > >> > If I disable NIC1, the clients can access the inner classes of the > >> > class > >> > factory on NIC 2. With both NIC 1 and NIC 2 enabled, the clients on > >> > NIC 2 > >> > can access "top level" mehtods of the class factory, but cannot access > >> > the > >> > methods referencing the inner classes. > >> > > >> > In short, the applicaiton works fine when there is only 1 NIC, but > >> > something > >> > is going wrong when using 2 NICs. I suspect that I have something > >> > missing > >> > in > >> > my configuration, but I am not able to find it. > >> > > >> > Any input is greatly appreciated. > >> > > >> > Thanks in advance. > >> > -- > >> > - John > >> > >> > >> > >
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