Of coarse, if our IOS does not support BGP (as well as not supporting OSPF), this does not help us much.
We are checking with the engineer of our provider as to whether adding a device (which does support OSPF) would also present a traffic bottleneck in our routine traffic flow. Thanks... -- richard Don Ely <[email protected]> wrote on 04/22/2011 11:19:30 AM: > 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" <[email protected]> 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 > > [email protected]<mailto:[email protected]> > > > > c - 312.731.3132 > > > > From: Don Ely [mailto:[email protected]] > > 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, <[email protected]<mailto: > [email protected]>> 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 <[email protected]<mailto:[email protected]>> > >> 04/21/2011 02:36 PM > >> Please respond to > >> "NT System Admin Issues" <[email protected]<mailto: > [email protected]>> > >> > >> > >> To > >> "NT System Admin Issues" <[email protected]<mailto: > [email protected]>> > >> 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 > >> [email protected]<mailto:[email protected]> > >> > >> c ? 312.731.3132 > >> > >> From: Michael B. Smith [mailto:[email protected]<mailto: > [email protected]>] > >> 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: [email protected]<mailto:[email protected]> [mailto: > [email protected]<mailto:[email protected]>] > >> 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 [email protected]<mailto: > [email protected]> > >> 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 [email protected]<mailto: > [email protected]> > >> 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 [email protected]<mailto: > [email protected]> > >> 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 [email protected]<mailto: > [email protected]> > >> 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 [email protected]<mailto: > [email protected]> > > 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 [email protected] > > 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 [email protected] > 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 [email protected] with the body: unsubscribe ntsysadmin
