You could but my preference is a single protocol if its possible. We have a dual mpls WAN with dual internet circuits and use only BGP. On Apr 22, 2011 8:49 AM, "Brian Desmond" <br...@briandesmond.com> wrote: > It's probably actually a mix of both. > > You'd want to use BGP to publish yourself to the Internet given the multiple entry points, but, OSPF would be used over the private link to handle the internal routes. > > Thanks, > Brian Desmond > br...@briandesmond.com<mailto:br...@briandesmond.com> > > c - 312.731.3132 > > From: Don Ely [mailto:don....@gmail.com] > Sent: Friday, April 22, 2011 10:39 AM > To: NT System Admin Issues > Subject: RE: OSPF on Cisco Catalyst 3750 switch? > > > BGP is better suited for this. :) > On Apr 22, 2011 8:35 AM, <richardmccl...@aspca.org<mailto: richardmccl...@aspca.org>> wrote: >> We have two connections - our general internet connection and a dedicated >> WAN connection between IL and NY. Both are moving from copper to fiber. >> The part of the project where OSPF came up is with the WAN connection... >> >> With the internet and the WAN connections up and running, they can be >> completely independent. However, should something fail (such as the WAN >> router in NY), OSPF is one way to re-route WAN traffic out through a VPN >> tunnel in the internet. >> >> Likewise, should the internet connection fail (IL, for example), then >> internet traffic could be routed through the WAN to NY, and their internet >> connection is used. >> >> We can re-route traffic through changes in the static routing tables. >> However, OSPF should enable traffic to be re-routed somewhat automagically >> with little or no administrator intervention. >> >> Thanks! >> -- >> richard >> >> >> >> >> Brian Desmond <br...@briandesmond.com<mailto:br...@briandesmond.com>> >> 04/21/2011 02:36 PM >> Please respond to >> "NT System Admin Issues" <ntsysadmin@lyris.sunbelt-software.com<mailto: ntsysadmin@lyris.sunbelt-software.com>> >> >> >> To >> "NT System Admin Issues" <ntsysadmin@lyris.sunbelt-software.com<mailto: ntsysadmin@lyris.sunbelt-software.com>> >> Press this button if the "To" is a fax number. Enter in the fax number >> like 123-456-7890. >> cc >> >> Subject >> RE: OSPF on Cisco Catalyst 3750 switch? >> >> >> >> >> >> >> The bigger question to me is why you?re running OSPF with your ISP? OSPF >> is meant to be an internal routing protocol where-as BGP is an external >> facing one. >> >> What?s your ISP/WAN connectivity look like in this refresh? >> >> Thanks, >> Brian Desmond >> br...@briandesmond.com<mailto:br...@briandesmond.com> >> >> c ? 312.731.3132 >> >> From: Michael B. Smith [mailto:mich...@smithcons.com<mailto: mich...@smithcons.com>] >> Sent: Thursday, April 21, 2011 1:56 PM >> To: NT System Admin Issues >> Subject: RE: OSPF on Cisco Catalyst 3750 switch? >> >> You have 3750?s at your network edge? >> >> That, while not impossible, seems unlikely. >> >> But the real question is whether you are running an EMI image or an SMI >> image. EMI is required for OSPF. >> >> Take a gander here: >> >> http://www.cisco.com/en/US/products/hw/switches/ps5023/products_configuration_example09186a00801cc828.shtml >> >> Regards, >> >> Michael B. Smith >> Consultant and Exchange MVP >> http://TheEssentialExchange.com >> >> From: richardmccl...@aspca.org<mailto:richardmccl...@aspca.org> [mailto: richardmccl...@aspca.org<mailto:richardmccl...@aspca.org>] >> Sent: Thursday, April 21, 2011 2:48 PM >> To: NT System Admin Issues >> Subject: OSPF on Cisco Catalyst 3750 switch? >> >> >> Greetings! >> >> Our VoIP system was set up with a stack of Cisco Catalyst 3750 switches >> handling the VLAN-ing. It is also the default gateway for both VLANs. >> >> We have a major ISP upgrade coming. We've been told it will be necessary >> to configure Open Shortest Path First (OSPF) on our gateway... >> >> At the CLI, the command "show ip ospf neighbor" does not work... it >> returns "impropre input at the "^". The "^" points to the "o" on ospf. >> >> Running the Cisco Network Assistant, Config > Routing > Protocols, then >> opening the "Help" for that window and searching for "OSPF", it says >> simply click the "OBSF" tab. No such tab! I have only "Static" and >> "RIP". (This is even though the "Help" claims the switch stack is a Layer >> 3 switch and supports OSPF.) (FWIW, I've tried connecting in both Read >> Only and in Read/Write modes to see if that gives me the OSPF tab - it >> does not.) >> >> I'm searching the Cisco site first, and will continue on as I can find via >> Google. FWIW, Network Assistant is V5.5. Might a newer version of >> Network Assistant give me said OSPF tab? Could it be that not all 3750s >> can run OSPF? >> >> Thanks... >> -- >> richard >> ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ >> ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ >> >> --- >> To manage subscriptions click here: >> http://lyris.sunbelt-software.com/read/my_forums/ >> or send an email to listmana...@lyris.sunbeltsoftware.com<mailto: listmana...@lyris.sunbeltsoftware.com> >> with the body: unsubscribe ntsysadmin >> ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ >> ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ >> >> --- >> To manage subscriptions click here: >> http://lyris.sunbelt-software.com/read/my_forums/ >> or send an email to listmana...@lyris.sunbeltsoftware.com<mailto: listmana...@lyris.sunbeltsoftware.com> >> with the body: unsubscribe ntsysadmin >> ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ >> ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ >> >> --- >> To manage subscriptions click here: >> http://lyris.sunbelt-software.com/read/my_forums/ >> or send an email to listmana...@lyris.sunbeltsoftware.com<mailto: listmana...@lyris.sunbeltsoftware.com> >> with the body: unsubscribe ntsysadmin >> >> ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ >> ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ >> >> --- >> To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ >> or send an email to listmana...@lyris.sunbeltsoftware.com<mailto: listmana...@lyris.sunbeltsoftware.com> >> with the body: unsubscribe ntsysadmin > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to listmana...@lyris.sunbeltsoftware.com<mailto: listmana...@lyris.sunbeltsoftware.com> > with the body: unsubscribe ntsysadmin > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to listmana...@lyris.sunbeltsoftware.com > with the body: unsubscribe ntsysadmin
~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe ntsysadmin
