02-14-2001 05:18 PM - edited 03-08-2019 08:00 PM
What are the basic steps of configuring OSPF between a corporate office and 4 branches of about 10 people at each site. Assuming the network is currently running RIPv1.
02-20-2001 12:17 PM
The focus of this board is Virtual Private Networks, however, there are a number of professionals online who may be able to assist you.
We are always considering additional forums for such topics and I will make a note of your post.
You may also wish to review the documents online at:
http://www.cisco.com/cgi-bin/Support/PSP/psp_view.pl?p=Internetworking:OSPF
If you don't get a suitable response to your post, you may wish to speak with an engineer at our Technical Assistance Center. You can open a case online at www.cisco.com/tac/caseopen
If anyone else in the forum has some advice, please reply to this thread.
Thank you for posting.
03-08-2001 02:58 AM
Is this a stand-alone network? I.e. not connected to the Internet or so?
If so - it's fairly small, no need to create more than one OSPF area (assuming WAN connections have decent performance). Which basically boils down to enabling OSPF on all routers on the relevant interfaces.
03-27-2001 02:18 AM
1) make a diagram of corporate office and branch offices
2) configure ospf with process id no. 20 area 0
at corporate office
3) define the network with inverse mask on that
router
4) on branch offices define the ip address of interfaces as well as the network and also define areas per branch office
05-05-2001 07:37 PM
i suppose from u r explanation that the company is having a frame relay network between the branches and CO. currently u r running RIP..u can configure the CO first... with OSPF ..and then at the branches
if the frame relay conf is made on phy interface.. then u have a OSPF network type NON BROadcast type... if it is the same at all branches and CO no problem is there.. u need to use commands like
neighbor
neighbor
neighbor
neighbor
at the CO and
at the BRanch offices give a command
neighbor
or just give a command in all routers in the phy int
ip ospf network point-to-multipoint
if any of the routers are using subinterfaces say point to point of multipoint.. then the hello timers vary... so its better to go for the ip ospf network point-to-multipoint command so that hello timers are same everywhere... if hello timers are mismatching... u wont get a neighbor relationship established between the branch and CO..
this is all u need to do... and to prevent loss of connectivity....
dont turn off rip first
with rip on.. configure ospf everywhere and then turn off rip
bcoz u r network may be down due to lack of routing updates... if u turn off rip before configuring ospf...
bye
shanky
06-13-2001 06:13 AM
Hmm, I probably wouldn't OSPF route anything. I'd just static map all the ip addresses with default routes. This gives you ultimate control for a small network like yours. And since there are no routing decisions (the packet is local or not), routing is instantaneous.
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