Dual Network cards
I have a G4 and want to add a NIC to ftp from a private network. If I don't disable the onboard ethernet port it doesn't work, how can I have both cards working where one card does only internet ant the other does ftp from an assigned IP network
Hi wdar, and a warm welcome to the forums!
I've used just about every Mac compatible one there is, but any of these should work...
http://eshop.macsales.com/search/usb+wifi
While you may get help or a solution here, It's quite acceptable to start a new topic of your own, certainly feel free to start a new topic to attract more helpers to your particular situation, especially for that other problem, here's a link if as is often the case, it's hard to find out where to do it...
http://discussions.apple.com/post!default.jspa?forumID=755
Similar Messages
-
Hello,
I have a SAP server with a dual network card. I want to use one for SAP for accessing the network and the other one for iSCSI for provisioning more disk space. Is there no way to do this without affecting SAP's performance? If so, this should be considered a major bug...Hi
Unfortunatelly there is no date so far. This is described in SAP Note 1135705.
Paulo Calado
SAP Business One Forums Team -
MLS dual network card incorporation
Hello
I'm incorporating a technique into our network that uses a dual slot network card. The driver of these cards also makes it so that both NICs have the same MAC. both of the network cards are linked to a cicso 4500 catalyst switch. the link works however I get the error alert: MLS-4-moreoverflow. The switch recognizes the two as a looped mac by two different devices. I was wondering how to fix this problem or obtain documention for this problem.
Thanks in advance for your time.Hello,
I wonder if it would work when you configure the two switchports as an Etherchannel, effectively making both ports appear as one link. Can you try and add the following to both switchports:
channel-group 1 mode desirable
I have no equipment to test this configuration on...can you try and see if this works ?
Regards,
GP -
Lion Server VPN dual network cards
I have a XServe running Lion 10.7.3. When I connect to the vpn I can only connect to the server and nothing else on the network. How can I set it up to see the whole network?
Simple. Configure your VPN correctly.
Of course, you might have done that, but since you're so light on details there's no way for us to know.
From your description, though, it sounds like you haven't configured the server to hand out the right range of VPN networks. When a client connects, the VPN server sends it a list of networks/subnets to send over the VPN tunnel - e.g. "hi, client, send me all traffic for 10.1.2.0/24".
If you haven't set this then the the client doesn't know what traffic to send over the VPN vs. sending to the public internet. That's what I assume is going on here, but I could be wrong.
If you have got the routing correct the next issue would be DNS - have you set the right (internal) DNS server in the VPN server settings, so that the server knows to tell the clients what DNS server to use? If you haven't then the client will continue to use its normal DNS server which likely doesn't know anything about your internal network hostnames. Pinging a resource by IP address rather than hostname would be a simple check for this.
So check your VPN configuration and report back if that's not a solution. Either way it likely comes down to a configuration error on the server. -
Replacement network cards for MacPro
My question is for anyone who is familiar with the MacPro motherboard. Lightning blew out my dual ethernet card and the estimate to replace it is around $450. A friend told me I could purchase a compatible network card and plug it directly into one of the three available slots on the mother board. If this is true, could anyone suggest to me a network card that is compatible with the MacPro motherboard? I would appreciate any help with this issue!
Are you considering any particular cards ?
I have had good luck with DEC21040 (10baseT) and DEC21140 (100baseT) cards
in Solaris 7 through Solaris 10 on x86.
The same can be said for 3Com 3C905C-TX cards.
Solaris 8x86 will recognize many chipsets natively,
and a number of third party developers have created working driver packages.
Most of their driver packages are free, but a few are not free.
Solaris 9 works with a few more, and Solaris 10 works with yet more adapters.
The Solaris 8x86 HCL list has the native cards.
This other Sun web page can direct you toward 3rd party sites. -
XPS 8700 - need additional network card for VMware Workstation
Hello -
I'm wanting to add either a dual or quad network card to my XPS 8700 so I can provide physical interfaces for some VMware Workstaion. Is there a specific band or model that is compatible..?
I've tried installing a spare Intel E1G42ET (dual port) card I had laying around, but the OS never saw it even with the drivers from Intel's website loaded up.
Any suggestions..? Thanks,No - but it's just another card to the BIOS. Also, there's already a Wireless NIC and an Ethernet NIC in there. I appreciate the suggestion - I can test it,. but suspect the issue will remain the same.
Thanks, -
Solaris9 x86 problem with network cards, ACPI, IRQs
Hello!
For the last two days I've been trying to solve the problem of Solaris9 x86 not being able to use my network card. I have tried with 3c905CX-TX-M, RealTek 8139 and Realtek 8029 and none of them works. The problem is the following:
Everything is properly configured, networking etc., but the cards can only send and cannot receive packets. When trying to ping, the packets leave the NIC but none of the reponses are detected by NIC. When I check with 'kstat elxl' I can see that 'intr' is zero, and out_packets is increasing as it's sending packets.
From the discussion forum I can see that this same problem has been known for several years. One of the conclusions is that Solaris x86 sucks at dealing with IRQ setup and that the best thing is to disable ACPI and 'PnP OS' option in BIOS. However, I've tried all releases of AMI bios and none them has neither of those options. I have played with various priority levels in BIOS but all that has accomplished is that the card, when first started, captures a few interrupts/packets but then stops again. This is usually just enough to finish the ARP exchange (arp -a shows the remote host).
And of course, all the cards work just fine in WindowsXP and Linux. And all the cards work nice in another PC which runs the same Solaris 9 x86.
My motherboard is Gigabyte 7VTXE. (The other one in which it works is ASUS P2B-DS).
I would really appreciate help!
JosipI had almost identical problem today on an HP Kayak - which happened to be dual CPU one. The fix
set pcplusmp:apic_forceload = -1
in /etc/system worked for me. The only drawback is that it also leaves the machine single CPU. AFAIK this (downloadable) S9x86 kit is licensed only for one CPU anyway, so I wonder if something has been fixed in the code to make sure it is not run on multi-CPU systems. Before the fix, mpstat showed thousands of interrupts on CPU0, both CPUs were constantly busy at about 70% and there was no network connection on a number of cards I tried (3Com 90x - elxl, Intel iprb, another one with Realtek 8139 was never recognized, so I did not bother too much to find if there is a fix for this); pinging out resulted in the hub port light blinking, nothing comes back.
Anyway, the fix is good enough to test s9 for now; everything else seemed to be OK. If it may be of some use for somebody, don't go into the disk option of the Solaris Management Console; the machine in question had Windows 2003 server (RC2) installed before Solaris9, the disk tool decided that there was no label on the disk and asked to write it on; I clicked the 'cancel' button, but the partition table was irreversibly damaged, so I had to start from installing W2k3. My guess is that tool has been tested only with Sparc, so there is no issue with BIOS level partitioning there. BTW, system info of the SMC insists that the CPUs are Sparcs... -
Network card name switching.
Hello. I have a problem with NICs switching names. I followed Wiki and added 10-network.rules in /etc/udev/rules.d but it seems there is no effect.
/etc/udev/rules.d/10-network.rules
SUBSYSTEM=="net", ATTR{address}=="11:11:11:11:11:11", name="eth0"
SUBSYSTEM=="net", ATTR{address}=="00:11:11:11:11:11", name="eth1"
SUBSYSTEM=="net", ATTR{address}=="00:00:11:11:11:11", name="eth2"
MAC addresses have been hidden but the one in my config are correct.
I have 1 NIC onboard (eth0) and one network card with dual port (eth1,eth2).
Also what is the difference beteen ATTR{address} and ATTRS{address}?
Wiki mentions something about:
With a recent version of udev, this problem should be solved automatically thanks to the /usr/lib/udev/write_net_rules program which runs the 75-persistent-net-generator.rules script which produces a 70-persistent-net.rules.
I can't find any of those files.
Last edited by verb0ss (2012-06-14 17:09:16)alphaniner wrote:
In my 10-network.rules, "name" is in all caps. Maybe that's your problem.
SUBSYSTEM=="net", ATTR{address}=="##:##:##:##:##:##", NAME="eth0"
SUBSYSTEM=="net", ATTR{address}=="##:##:##:##:##:##", NAME="eth1"
SUBSYSTEM=="net", ATTR{address}=="##:##:##:##:##:##", NAME="eth2"
SUBSYSTEM=="net", ATTR{address}=="##:##:##:##:##:##", NAME="eth3"
I haven't noticed such an obvious thing. I have corrected the config now and i will give it a few days to test it. Thx a lot mate. -
Upgrading Wireless Networking Card (P7-1037c)
Hi. I have Pavillion P7-1037c that i would like to upgrade the wireless network card on. The board on it has 3 pci-express X1 and a pci-express minicard slots avaiable. I need a card that is dual band compatible. I know there is a minicard 2.4GHtz installed. Has anyone been sucessful at this kind of upgrade? This would be my first minicard upgrade, so i thought I should ask. TY
This question was solved.
View Solution.Which OS is installed in your desktop PC?
What are the capabilities of your wireless router? 802.11 A\B\G\N\AC ? 2.4GHz \ 5 GHz or both simultaneously?
My own preference is the current 802.11AC standard.
I use Windows 8.1 \ Windows 7 \ Linux on this desktop PC. I have a Sitecom 802.11AC router and an ASUS USB-AC56 wireless adapter. The throughput for video streaaming I am getting from the setup is around 533 mb/second. There isn't much currently available on the makrket in terms of reliable PCI express x1 wireless cards for Windows 8 or 8.1.
****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer -
MSI Dual-Net Card and Communications Slot
Hey all,
ok, i want the MSI Dual-Net Card...i have HEARD that you need the MSI Communications Slot for it to work...is that true???
because there is absolutly NO MENTION of this on either the website or even in the manual for the card...
the manual even shows a picture of the card being installed into a NORMAL PCI slot...Quote from: Klodrik on 24-August-05, 02:28:28
Do u have IVT corp. BlueSoleil prog.? On my cpu, when i start Bluesoleil, it says "please insert a bluetooth device", but when i push the orange ball in the middle, i says " Invalid operation", and most of the menus are grey, like Tools, My services and My bluetooth. I cant even use "Find device". I'm trying to connect to a cellphone which has bluetooth ( Ericsson k700i ).
yep, thats wat i have...and its the BEST Bluetooth software i've used...we have 3 Bluetooth USB Dongles in my house, and the software for them all (compared to this) is...well, just crap...
did u plug in the USB header??? for the bluetooth to work, it has to be connected to a USB header on the motherboard...
and i assume you've checked device manager to make sure the driver is installed...if not, do it...
BTW, i know wat was wrong with my Wireless Network...i had the Wireless Antenna and Bluetooth Antenna plugged into the wrong places now my wireless has full strength! -
Is there a way that I can see what the specs are on the internal network card that came with the X.200 ? If it is not available via my PC, would there be a document on the website that would give me the information? I tried a search but I could not get a specs page.
T23: 2647-8RU, Ubuntu 12.04 LTS
A61E: 6418-12U, W7/Pro 64
X200: 7454-CTO, W7/Pro 32Tnx guys, I found both instances.
I want IPV6 on so I can participate in the World IPV6 Test on June 8, 2011.
Yahoo, Facebook, Microsoft, Google, Intel and many others ... big world wide test of IPV6 and dual stack URLs.
I know there is a lot of hype surrounding this test, but I am still interested. I ran the test at IPV6Test.org. I can not access IPV6 URLs at this time, but at least I know there is nothing else I need to do at my end as a home user.
My ISP is not ready. I can only assume that they are upgrading their equipment to service their clients for the long transition. I also think they are currently hoarding IPV4 addresses. They will be recycling them until users start yelling at them ... or the organizing body starts implementing its own rules. I'm babbling on here ... Bye.
T23: 2647-8RU, Ubuntu 12.04 LTS
A61E: 6418-12U, W7/Pro 64
X200: 7454-CTO, W7/Pro 32 -
HP Pavillion Needing Network Cards
I'm currently trying to use Windows 10 Technical Preview and I already have it installed but my wireless adapter a
Linksys AE1200 model does not support windows 10. So I am in desperate need of a network card but don't know where to start looking for one any help would be appreciated.
This question was solved.
View Solution.Hi:
I use the Linksys AE3000 dual band USB wireless network adapter, and have been running it for several months on the W10 technical preview, all builds, and it works just fine.
You just use the W7 x64 drivers from the disk you get with the device. -
Sun JNI FCX-6562-L network card
I have found an unused JNI FCX-6562-L HBA card. I need to get it working.
I tried to get the drivers from JNI. However, I was told that this particular card was made by JNI for Sun, and that JNI drivers would not work with it, and that I must find out from Sun how to install it. I have searched high and low for documentation to configure it on the Sun site, but can find nothing much.
I have found the odd interesting reference to special patch 116424-01etc, and I have taken note of this, but there must a complete set of installation instructions somewhere? I am sure I am overlooking something? Perhaps this network card has another name or something?
Can anyone give me a URL or handbook reference or something for the instructions to install it properly?
Many thanks!Hello Desiree,
<i>I have found an unused JNI FCX-6562-L HBA card.</i>
This is the <b>2Gigabit/Sec Single FC Host Adapter (JNI)</b> (Option SG-XPCI1FC-JF2, Part-No. 375-3156)
The page in the <b>Sun System Handbook</b> and two documents below are only available after login.
JNI 2Gb PCI Single and Dual Port Host Bus Adapters Installation Guide, 817-2259.
JNI 2Gb PCI Single and Dual Port Host Bus Adapters Release Notes, 817-2260.
Michael -
RE: Is there a way to have 2 network cards on the samemachine
Sean,
I mean I am always connecting to the nodemgr of the 2nd environment
successfully. Only when I run the client part of the application that I know
is up, I get a response from the Name Server that it is actually the first
IP address.
I checked again. I defenitely have FORTE_NS_ADDRESS set to IP:5004, in my
case, and not the hostname. I don't have FORTE_LOCATIONS set any where. the
NS_ADDRESS for env2 has only 1 IP address associated with it. My Forte
Control Panel on the client, and hence the NS address has only one entry.
I tried going into escript like you said, and the name service still thinks
it is IP1.
Venkat Kodumudi
Price Waterhouse LLP
Internet: [email protected]
Internet2: [email protected]
-----Original Message-----
From: Sean Brown [SMTP:[email protected]]
Sent: Monday, June 22, 1998 1:31 PM
To: Venkat Kodumudi; 'Sean Brown'
Cc: [email protected]
Subject: RE: Is there a way to have 2 network cards on the same
machine
Hmmmm? That is a little odd! Let me rehash what I think you are saying.
You now have two environments each with their own name service with
FORTE_NS_ADDRESS set to a different IP:Port combination. For example you
are doing the steps:
FORTE_NS_ADDRESS=255.255.255.1:5000
start the nodemgr for env 1
FORTE_NS_ADDRESS=255.255.255.2:5000
start the nodemgr for env 2
Now when you start a client you are always getting the address for env 1
back from the nodemgr. I assume you actually mean the name service? Or, do
you mean you are always connecting to the nodemgr & name service for env
1?
If the first scenario is the case and you are connecting to the nodemgr
for
env 2 but getting back IP's for services listening on the card for env 1 I
would ask you what you are setting the FORTE_LOCATIONS value to before you
start each service. If you are not setting it or are using the host name
it
will register using the IP for the primary network card associated with
the
machine name and I am again assuming that this is env 1. You need to set
the FORTE_LOCATIONS variable to 255.255.255.2:0 (based on the steps above)
before starting your services.
If the second scenario is the case I would have you check what the
FORTE_NS_ADDRESS is set to before you start up the client. Once again it
must be the IP:Port combination not host:port combination if you want to
get
anything other than the primary card.
I would also suggest that you do the following. After everything is up
and
running execute the following commands:
escript -fns "ip for env1":port
findsub nameservice
showpart
What you should see is everything currently registered under the name
service. It will have the name and any "locations" (IP and port) that it
is
registered as listening on. I would look for the nodemgr and see where it
has advertised itself. I would then look for any services you expect to
be
registered there and also verify where the have advertised themselves. If
there are multiple locations listed for any one service, the client will
use
the first one in the list.
Do the same for env 2.
Sean
-----Original Message-----
From: Venkat Kodumudi [mailto:[email protected]]
Sent: Monday, June 22, 1998 9:57 AM
To: 'Sean Brown'
Cc: [email protected]
Subject: RE: Is there a way to have 2 network cards on the same machine
I am giving the actual IP address. and not the host name. That is why I
don't understand what is going on.
Venkat Kodumudi
Price Waterhouse LLP
Internet: [email protected]
Internet2: [email protected]
-----Original Message-----
From: Sean Brown [SMTP:[email protected]]
Sent: Monday, June 22, 1998 10:53 AM
To: Venkat Kodumudi; 'Sean Brown'
Cc: [email protected]
Subject: RE: Is there a way to have 2 network cards on the same
machine
Hello Venkat,
I probably should have mentioned this before. Your are correct. Forteis
doing a host lookup if you are providing a name for examplemachine1:5000.
You can bypass the host lookup by using the actual ip dot addressinstead
for example 255.255.255.255:5000. This way you are taking the name
service
out od the picture and Forte will use the address provided.
Sean
-----Original Message-----
From: Venkat Kodumudi [mailto:[email protected]]
Sent: Monday, June 22, 1998 9:27 AM
To: 'Sean Brown'
Cc: [email protected]
Subject: RE: Is there a way to have 2 network cards on the same machine
My requirement is that my second card serves as best case performance
testing piece. This eliminates the network completely. We went one step
ahead and created a new enviromnent for the second card. Whatever I do,
the
nodemgr is returning back the IP address of the first card, even thoughmy
FORTE_NS_ADDRESS does not have the first card in the picture any where.
I think Forte is doing a host look up and returning the first IP address
it
finds, as opposed to returning the IP address specified in theenvironment
variable FORTE_NS_ADDRESS. Is there a way to trick it?
Venkat Kodumudi
Price Waterhouse LLP
Internet: [email protected]
Internet2: [email protected]
-----Original Message-----
From: Sean Brown [SMTP:[email protected]]
Sent: Thursday, June 18, 1998 9:54 AM
To: Venkat Kodumudi
Cc: [email protected]
Subject: RE: Is there a way to have 2 network cards on the same
machine
OK, you ran into one of the issues. That is, if both addresses areknown
to
the client that is trying to contact the partition it will always usethe
first address in FORTE_LOCATIONS. This is because FORTE_LOCATIONS was
designed more as a failover mechanism. So it will always try the
first
address in the list and if it succeeds, there is no reason to move onto
the
second.
Now, the second issue is that there is currently a problem with theclient
failover to the secondary address in FORTE_LOCATIONS. If the firstentry
fails it is supposed to retry on the second entry. Instead, it
retries
the
first entry again. I know that Forte knows about this but I do nothave
a
bug number on it.
With that said, lets look at a possible solution for you. If the real
objective here is to have a back up network card available for fail
over
on
the same machine, or use one card to advertise outside your firewalland
one
to use inside, then you will have to contact Forte to determine whenthe
failover problem will be fixed. But, if the objective is to loadbalance
across the network cards you could have the environment manager listenon
both ports and then alternate your server partitions across both
cards.
For
example:
set FORTE_NS_ADDRESS=card1:5000;card2:5000 and then start up the
environment
manager
set FORTE_LOCATIONS=card1:0 (the 0 in the port causes the OS to pick a
port)
and start partition one
set FORTE_LOCATIONS=card2:0 and start partition two
and so on....
In this scenario the environment manager will be listening on bothcards
but
each server will be listening on only one of the two cards. So if a
request
comes in for partition1 it will go through card one and if it is for
partition two it will go through card two. You could assign your
partitions
to cards based on expected load.
Well, I am done. I hope this helps!
Sean
-----Original Message-----
From: Venkat Kodumudi [mailto:[email protected]]
Sent: Thursday, June 18, 1998 8:06 AM
To: 'Sean Brown'; 'John Jamison'
Cc: [email protected]; Jose Suriol
Subject: RE: Is there a way to have 2 network cards on the samemachine
Sean,
Thanks for your reply. I tried the approach. I was not very specificin
my
question. I do need the ability for server applications to listen and
server
on both the network cards.
I was succesfully able to make the nodemgr listen on both the cardsand
actually serve requests coming in from both the cards. But, followingyour
advise, I took a cautious step with FORTE_LOCATIONS. Here is what I
noticed.
I have an application that has 6 partitions in total. I used
FORTE_LOCATION
to make it listen on 1. Both the cards. 2. Swapped the IP addresses
for
both
cards for this application. 3. One card that I want it to listen on. I
tried
all approaches by exporting the locations variable for just this
application. The nodemgr recieves a request from this pc connected onthe
second card to talk to one of the partitions. The node mgr responds
with
a
proxy - with the ip address and socket number of the first card. The
FORTE_NS_ADDRESS variable looks like this:
IP1:5002;IP2:5002.
Is it possible atall to resolve my problem, without having a seperate
environment?
Thanks
Venkat Kodumudi
Price Waterhouse LLP
Internet: [email protected]
Internet2: [email protected]
-----Original Message-----
From: Sean Brown [SMTP:[email protected]]
Sent: Wednesday, June 17, 1998 10:42 AM
To: 'John Jamison'; Venkat Kodumudi
Cc: [email protected]
Subject: RE: Is there a way to have 2 network cards on the
same
machine
Venkat,
Actually, it is possible for Forte to listen on more than one IP andport
combination. The first reply to your message was correct. If you
set
the
FORTE_NS_ADDRESS to contain multiple entries before starting the
name
service, it will advertise on both. For Forte servers you use the
FORTE_LOCATIONS env variable to get it to advertise on multipleip:port
combinations.
We were doing something very similar with another customer I was at
to
get
around a firewall. I will warn you that there are some issues with
FORTE_LOCATIONS that may keep that portion from working. However,
from
reading your note, it appears that all you need is for the nameservice
to
advertise and listen on multiple ports and that works fine. I justtested
it again for sanity sake and it worked. I ran my test on NT using
Forte
3G2.
Sean
-----Original Message-----
From: [email protected]
[<a href="mailto:[email protected]">mailto:[email protected]]On</a> Behalf Of John Jamison
Sent: Tuesday, June 16, 1998 4:51 PM
To: Venkat Kodumudi
Cc: [email protected]
Subject: Re: Is there a way to have 2 network cards on the samemachine
Venkat,
Technically yes this is possible, though not in Forte. A nameserver
can
only listen on one port.
To implement this scheme you will have to write a proxy service (insome
language
including perhaps forte) which listens on the well-known port on the
second card, reads requests, then forwards them to the realnameservice
(wkp on the first card), and forwards replies back. This is not
trivial, but some firewall toolkit vendors supply stub code to write
application specific proxies.
-J
Venkat Kodumudi wrote:
Folks,
Here is what we would like to do:
We want to have 2 network cards on a unix box - which means I have
2
ip
addresses, and the connection between the two is the unix box and
only
the
unix box. I have a pc connected to the 2nd network card and I want
it
to
connect to the nameserver that is listening on a well known port
on
the
first network card. We don't want to turn IP forwarding between
the
two
cards. We want Forte to address both cards to talk to clients, in
one
environment.
Can this be done? If so how?
Thanks in advance.
Venkat Kodumudi
Price Waterhouse LLP
Internet: [email protected]
Internet2: [email protected]
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Searchable thread archive <URL:<a href=
"http://pinehurst.sageit.com/listarchive/">http://pinehurst.sageit.com/listarchive/</a>>Hello Venkat,
I probably should have mentioned this before. Your are correct. Forte is
doing a host lookup if you are providing a name for example machine1:5000.
You can bypass the host lookup by using the actual ip dot address instead
for example 255.255.255.255:5000. This way you are taking the name service
out od the picture and Forte will use the address provided.
Sean
-----Original Message-----
From: Venkat Kodumudi [mailto:[email protected]]
Sent: Monday, June 22, 1998 9:27 AM
To: 'Sean Brown'
Cc: [email protected]
Subject: RE: Is there a way to have 2 network cards on the same machine
My requirement is that my second card serves as best case performance
testing piece. This eliminates the network completely. We went one step
ahead and created a new enviromnent for the second card. Whatever I do, the
nodemgr is returning back the IP address of the first card, even though my
FORTE_NS_ADDRESS does not have the first card in the picture any where.
I think Forte is doing a host look up and returning the first IP address it
finds, as opposed to returning the IP address specified in the environment
variable FORTE_NS_ADDRESS. Is there a way to trick it?
Venkat Kodumudi
Price Waterhouse LLP
Internet: [email protected]
Internet2: [email protected]
-----Original Message-----
From: Sean Brown [SMTP:[email protected]]
Sent: Thursday, June 18, 1998 9:54 AM
To: Venkat Kodumudi
Cc: [email protected]
Subject: RE: Is there a way to have 2 network cards on the same
machine
OK, you ran into one of the issues. That is, if both addresses are known
to
the client that is trying to contact the partition it will always use the
first address in FORTE_LOCATIONS. This is because FORTE_LOCATIONS was
designed more as a failover mechanism. So it will always try the first
address in the list and if it succeeds, there is no reason to move on to
the
second.
Now, the second issue is that there is currently a problem with the client
failover to the secondary address in FORTE_LOCATIONS. If the first entry
fails it is supposed to retry on the second entry. Instead, it retries
the
first entry again. I know that Forte knows about this but I do not have a
bug number on it.
With that said, lets look at a possible solution for you. If the real
objective here is to have a back up network card available for fail over
on
the same machine, or use one card to advertise outside your firewall and
one
to use inside, then you will have to contact Forte to determine when the
failover problem will be fixed. But, if the objective is to load balance
across the network cards you could have the environment manager listen on
both ports and then alternate your server partitions across both cards.
For
example:
set FORTE_NS_ADDRESS=card1:5000;card2:5000 and then start up the
environment
manager
set FORTE_LOCATIONS=card1:0 (the 0 in the port causes the OS to pick a
port)
and start partition one
set FORTE_LOCATIONS=card2:0 and start partition two
and so on....
In this scenario the environment manager will be listening on both cards
but
each server will be listening on only one of the two cards. So if a
request
comes in for partition1 it will go through card one and if it is for
partition two it will go through card two. You could assign your
partitions
to cards based on expected load.
Well, I am done. I hope this helps!
Sean
-----Original Message-----
From: Venkat Kodumudi [mailto:[email protected]]
Sent: Thursday, June 18, 1998 8:06 AM
To: 'Sean Brown'; 'John Jamison'
Cc: [email protected]; Jose Suriol
Subject: RE: Is there a way to have 2 network cards on the same machine
Sean,
Thanks for your reply. I tried the approach. I was not very specific in
my
question. I do need the ability for server applications to listen and
server
on both the network cards.
I was succesfully able to make the nodemgr listen on both the cards and
actually serve requests coming in from both the cards. But, following your
advise, I took a cautious step with FORTE_LOCATIONS. Here is what I
noticed.
I have an application that has 6 partitions in total. I used
FORTE_LOCATION
to make it listen on 1. Both the cards. 2. Swapped the IP addresses for
both
cards for this application. 3. One card that I want it to listen on. I
tried
all approaches by exporting the locations variable for just this
application. The nodemgr recieves a request from this pc connected on the
second card to talk to one of the partitions. The node mgr responds with a
proxy - with the ip address and socket number of the first card. The
FORTE_NS_ADDRESS variable looks like this:
IP1:5002;IP2:5002.
Is it possible atall to resolve my problem, without having a seperate
environment?
Thanks
Venkat Kodumudi
Price Waterhouse LLP
Internet: [email protected]
Internet2: [email protected]
-----Original Message-----
From: Sean Brown [SMTP:[email protected]]
Sent: Wednesday, June 17, 1998 10:42 AM
To: 'John Jamison'; Venkat Kodumudi
Cc: [email protected]
Subject: RE: Is there a way to have 2 network cards on the same
machine
Venkat,
Actually, it is possible for Forte to listen on more than one IP andport
combination. The first reply to your message was correct. If you setthe
FORTE_NS_ADDRESS to contain multiple entries before starting the name
service, it will advertise on both. For Forte servers you use the
FORTE_LOCATIONS env variable to get it to advertise on multiple ip:port
combinations.
We were doing something very similar with another customer I was at toget
around a firewall. I will warn you that there are some issues with
FORTE_LOCATIONS that may keep that portion from working. However, from
reading your note, it appears that all you need is for the name serviceto
advertise and listen on multiple ports and that works fine. I justtested
it again for sanity sake and it worked. I ran my test on NT using Forte
3G2.
Sean
-----Original Message-----
From: [email protected]
[<a href="mailto:[email protected]">mailto:[email protected]]On</a> Behalf Of John Jamison
Sent: Tuesday, June 16, 1998 4:51 PM
To: Venkat Kodumudi
Cc: [email protected]
Subject: Re: Is there a way to have 2 network cards on the same machine
Venkat,
Technically yes this is possible, though not in Forte. A name server
can
only listen on one port.
To implement this scheme you will have to write a proxy service (in some
language
including perhaps forte) which listens on the well-known port on the
second card, reads requests, then forwards them to the real nameservice
(wkp on the first card), and forwards replies back. This is not
trivial, but some firewall toolkit vendors supply stub code to write
application specific proxies.
-J
Venkat Kodumudi wrote:
Folks,
Here is what we would like to do:
We want to have 2 network cards on a unix box - which means I have 2ip
addresses, and the connection between the two is the unix box and onlythe
unix box. I have a pc connected to the 2nd network card and I want it
to
connect to the nameserver that is listening on a well known port onthe
first network card. We don't want to turn IP forwarding between thetwo
cards. We want Forte to address both cards to talk to clients, in one
environment.
Can this be done? If so how?
Thanks in advance.
Venkat Kodumudi
Price Waterhouse LLP
Internet: [email protected]
Internet2: [email protected]
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Quote
Note: I did not flash the bios when I installed, which I have now heard is a bad idea, apparently. l:
you said you've updated drivers & BIOS:
Quote
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Quote
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Quote
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