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239 posts

Master Geek


#63641 1-Jul-2010 11:40
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Hi,
I have installed a new 2wire gateway from Telecom into one of our offices and have struck an issue with adding a route to the routing table.
Just wanted to post it on here before I call Telecom just to get a 2nd opinion and to make sure I'm not going completely nuts.

It's a pretty basic setup:

Office in Auckland:
192.168.66.0/24
Existing Telecom One Office Router to other branch offices on 192.168.66.1

Office in Palmerston North:
172.28.0.0/19
Telecom One Office Router 172.28.1.16

I've installed the 2wire ADSL gateway in the Auckland office on the IP 192.168.66.21
I want to add a route on the 2wire gateway to the Palmerston North subnet:

172.28.0.0 mask 255.255.224.0 gateway 192.168.66.1
but... it seems buggy.  I add the route once and two entries appear in the routing table, one correct and one incorrect.  The route does not work and I cannot ping from the 2wire through to the Palmerston North subnet.

I add the static route:



The route adds correctly but a second incorrect entry also appears:



The route does not work:





What do you guys think?  Bug in the 2wire router?
Yes, the 2wire can ping the Telecom Router on 192.168.66.1

Cheers.

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1990 posts

Uber Geek

Trusted

  #347275 2-Jul-2010 13:19
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What on earth is a 2wire gateway, I guess ADSL or SHDSL can use 2 wires? I assume they are just NAT routers, or maybe with a VPN function.

Since both subnets are non-routable, I'm not sure whats they point using them as "one office" with different subnets. Sounds like your Palmy office needs to be on the same subnet as Auckland. Or you could tunnel them with VPN if they were connected to different providers.




Qualified in business, certified in fibre, stuck in copper, have to keep going  ^_^



239 posts

Master Geek


  #347277 2-Jul-2010 13:28
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webwat: What on earth is a 2wire gateway, I guess ADSL or SHDSL can use 2 wires? I assume they are just NAT routers, or maybe with a VPN function.

Since both subnets are non-routable, I'm not sure whats they point using them as "one office" with different subnets. Sounds like your Palmy office needs to be on the same subnet as Auckland. Or you could tunnel them with VPN if they were connected to different providers.


Sorry, it seems I've confused you a bit.

2wire is a brand.. it's what is supplied by Telecom on a Telecom Business Broadband connection and has been discussed before on these forums:

https://www.telecombusinesshub.co.nz/Internet/Broadband/Pages/Details.aspx

Both my subnets are routable.. they just can't be routed over the internet.  They are fully routed over our Telecom One Office network. Combining subnets would definately not work.

I just want the router to work properly and issue ICMP Redirects when it receives traffic destined for the 172.28.0.0/19 subnet.

It's a pretty basic scenario and this diagram explains it well:

http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094702.shtml

The 2wire routing table just doesn't want to play the game.
I've logged a call with Telecom anyway and it's been escalated to tier 2 business support.

Thanks anyway.

 
 
 
 




239 posts

Master Geek


  #347279 2-Jul-2010 13:31
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If you're not familiar with Telecom One Office, it's a managed WAN service that we use to connect our sites:

http://www.telecomwholesale.co.nz/wholesaleoneoffice




239 posts

Master Geek


  #347311 2-Jul-2010 15:11
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Telecom have now confirmed via email that this is a known issue with the firmware on their 2wire gateways at the present time. Static routes to secondary subnets cannot be used. They have new firmware in testing.

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