Hi Lou, Thanks for the reply. I'll try Steven's suggestion and keep you posted
Thanks, N. On 24 Jul 2009, at 22:00, "Lou H. Goddard" <[email protected]> wrote: > Can you post a 'show conf router' and a 'show ip route' from router > context? > > From: Nick Allen <[email protected]> > Sent: Fri, 7/24/2009 1:56pm > To: Enterasys Customer Mailing List <[email protected]> > Subject: [enterasys] OSPF issue... > > Hi, > > We've got 3 routers (2 x N7's + 1 x C2 with routing license on) on 3 > sites (1 on each site) connected in a triangle. > > They are all part of an OSPF area and this works great. > > We use 10.111.0.0/16 for our data VLAN at 1 site and 10.131.0.0/16 > for our voice VLAN at that same site. > We use 10.112.0.0/16 for our data VLAN at the 2nd site and 10.132.0.0/16 > for our voice VLAN at that same site. > We use 10.113.0.0/16 for our data VLAN at the 3rd site and 10.133.0.0/16 > for our voice VLAN at that same site. > > All those routes propogate round the routers via OSPF just fine. > > We also have a supernetted catch-all route of 10.0.0.0/8 which goes > via a gateway on the 10.111 network which hooks us into our > worldwide VPN. > Since our other Worldwide sites which are accessibe via the VPN also > all use 10.x.x.x/16 subnets, this supernet saves us having to > configure all those routes locally individually - we essentially > just pass everything that's begins with a 10 that's not local, to > the VPN gateway to worry about - that works fine. > > That 10.0.0.0/8 route also propogates just fine round all 3 routers. > > However, the problem is, we have a VLAN on the 2nd site which > connects the N7 at that site to another company's network. > Their network is outside of the OSPF area (in fact we only have one > connection to it anyway) and is on Cisco kit. > > The numbering of their network is 10.130.0.0/16 and I can't get that > route to propogate around the OSPF network. > Is it possible that the existence of the 10.0.0.0/8 route is what's > preventing the 10.130.0.0/16 route being propogated? > > I've tried removing and re-adding the route and redistributing the > routes (redistribute static) but it won't go. > It just doesn't show up in the "show ip ospf database" even on the > router where the route is defined - which is obvioulsy why it'll > never propogate. > I tried adding a 192.168.80.0/24 network just to check propogation > and that one works just fine, so can't see why this one won't unless > the supernet is the cause. > > I know this has nothing to do with the cisco kit as we also route to > other networks on that 3rd party site just fine although these don't > begin with a 10. > > Hope this is clear enough and that someone can explain what's (not) > happening and how we can address it! > > Thanks in advance. > > Nick. > > This e-mail is intended only for the named person or entity to which > it is addressed and > contains valuable business information that is proprietary, > privileged, confidential and/or > otherwise protected from disclosure. If you received this e-mail in > error, any review, use, > dissemination, distribution or copying of this e-mail is strictly > prohibited. Please notify > us immediately of the error via e-mail to [email protected] > and please delete > the e-mail from your system, retaining no copies in any media. We > appreciate your cooperation. > > Reg. Office: TBWA UK GROUP Ltd, 76-80 Whitfield Street, London, W1T > 4EZ > > Company Reg. #: 4332188 (UK) > Company VAT #: GB 656 8994 61 > > --To unsubscribe from enterasys, send email to [email protected] with > the body: unsubscribe enterasys [email protected] > --To unsubscribe from enterasys, send email to [email protected] with > the body: unsubscribe enterasys [email protected] > Reg. Office: TBWA UK GROUP Ltd, 76-80 Whitfield Street, London, W1T 4EZ Company Reg. #: 4332188 (UK) Company VAT #: GB 656 8994 61 > ------------------ CONFIDENTIALITY NOTICE --------------- > > This message, including any attachments, is for the sole use of the > intended recipient(s) and may contain privileged confidential > information > protected by law. Any unauthorized review, use, disclosure or > distribution > of this message is prohibited. If you are not the intended > recipient, please > contact the sender by reply e-mail and destroy all copies of this > message. > > ------------------ CONFIDENTIALITY NOTICE --------------- -------- > This message has been scanned for viruses and dangerous content by > MailScanner, and is believed to be clean. --- To unsubscribe from enterasys, send email to [email protected] with the body: unsubscribe enterasys [email protected]
