Network Question
#1
Ok chaps here's a poser for you..
How can I connect a WAN incoming connection (presenting G.703) to a Nokia fiewall without using a router (already a a router but on the clean side)
Any Ideas ?
How can I connect a WAN incoming connection (presenting G.703) to a Nokia fiewall without using a router (already a a router but on the clean side)
Any Ideas ?
#2
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Ga22ar
Can I ask a stupid question? Why do you want to do this?
The best way I could think of doing this would be to connect the incoming G.703 presentation to a G.703/X.21 convertor (get these from Blackbox) and from the convertor plug into something like Eicon's 'S' Series PCI Eiconcard. The Eiconcard would need to be in a PC and I believe these cards support anything from Windows to Linux.
Not a cheap solution, as you would be looking at around £1500 for the Eiconcard and BB convertor (assuming you have a PC spare as well). The cheaper solution would be to buy the BB convertor and source a secondhand Cisco 1600 series router (for instance).
Not sure what Eicon card you would need, but the info will be at
Can I ask a stupid question? Why do you want to do this?
The best way I could think of doing this would be to connect the incoming G.703 presentation to a G.703/X.21 convertor (get these from Blackbox) and from the convertor plug into something like Eicon's 'S' Series PCI Eiconcard. The Eiconcard would need to be in a PC and I believe these cards support anything from Windows to Linux.
Not a cheap solution, as you would be looking at around £1500 for the Eiconcard and BB convertor (assuming you have a PC spare as well). The cheaper solution would be to buy the BB convertor and source a secondhand Cisco 1600 series router (for instance).
Not sure what Eicon card you would need, but the info will be at
#5
Depending on the exact Nokia there is a range of serial interfaces available, but theres bugger all detail on the Nokia Site about interfaces other than they're X21.
If you can't get the circuit delivered with an NTE presenting X21, then Black box do a couple of X21 - G703 media convertors.
If you can't get the circuit delivered with an NTE presenting X21, then Black box do a couple of X21 - G703 media convertors.
#6
Cheers for the info chaps...
Reason for doing this is to put something inbetween the NTE and F/W that doesn't need managing - hence the reason not to go for (another) router..
The telco has put in the line and NTE and not requested what we wanted and so put in a G.703.. With lead times as they are with any work with BT we can't wait for them to pull out their fingers to do the change..
I've looked in the Nokia site and there's bugger all real tech info, though if the Nokia IP110 accepts an x.21 then the blackbox convertor that I'd spied before the post should do the job...
Cheers for the replies / backing up my thoughts
Ga22ar
Reason for doing this is to put something inbetween the NTE and F/W that doesn't need managing - hence the reason not to go for (another) router..
The telco has put in the line and NTE and not requested what we wanted and so put in a G.703.. With lead times as they are with any work with BT we can't wait for them to pull out their fingers to do the change..
I've looked in the Nokia site and there's bugger all real tech info, though if the Nokia IP110 accepts an x.21 then the blackbox convertor that I'd spied before the post should do the job...
Cheers for the replies / backing up my thoughts
Ga22ar
#7
Out of interest, which service did you order from BT which came presented as G703. Quite unusual - standard would be X21 (Although the line itself will G703)
Changing an NTE should not be a long lead time job. BTs lead time all seuffer around the capacity planning and provision of the actual circuit across the network and to the end-points.
What presentation were you expecting ?
Dean
Changing an NTE should not be a long lead time job. BTs lead time all seuffer around the capacity planning and provision of the actual circuit across the network and to the end-points.
What presentation were you expecting ?
Dean
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#8
We didn't order it one of our partners who arranged it did, they're US based so I don't know if this has an effect on the situation..
Turns out the Nokia IP110 doesn't support X21 on it's serial port so looks like I'm gonna have to buy a basic blackbox router/bridge with a G.703 on module after all..
Bugger..
Cheers
Turns out the Nokia IP110 doesn't support X21 on it's serial port so looks like I'm gonna have to buy a basic blackbox router/bridge with a G.703 on module after all..
Bugger..
Cheers
#9
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Any old tosh router will do the job - we've got about 20 Cisco 4000's gathering dust in the our cellar....sure there are other places in the UK the same.
Not sure how many ports the Nokia has, but if it's only two then look at something with 3, or definitely get a router with an additional ethernet/expansion module for any external dmz segments you *may* need in the future (and make sure the router isn't too dumb - you'll want to be able to use detailed access lists for a router to secure (sort of ) a dmz...get a Cisco, you know it makes sense!).
If you need help with configs, let me know.
Regards
Richard
Not sure how many ports the Nokia has, but if it's only two then look at something with 3, or definitely get a router with an additional ethernet/expansion module for any external dmz segments you *may* need in the future (and make sure the router isn't too dumb - you'll want to be able to use detailed access lists for a router to secure (sort of ) a dmz...get a Cisco, you know it makes sense!).
If you need help with configs, let me know.
Regards
Richard
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