On Fri, 10 Nov 2000, Matthew Herman wrote:
> I'll throw my hat in..
>
> 1. .5 seconds (50 msec) (Chapter 7, p142 exam cram acrc)
you sure you're not thinking of HSRP?
> 2. yes, there will be only one DR and its your single point of failure as
> well 8->.
But not on PtP links, Their is no DR elected on a Point to Point link
> 3. doh...I have set up multiple as's on one router when I had multiple
> customer and redistributed into my AS. It worked ok but I am not saying
> that was a good way of configuring the router.
You ran OSPF to customers? So you were selling them transit and used
OSPF? I imagine the evil a customer could do to your network if they had
access to an OSPF neighbor router. Why not just static route to them as a
stub?
Brian
>
> 2/3 = 66 percent.... Still not enough to pass the ccie...
>
> matt
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of David
> Armstrong
> Sent: Friday, November 10, 2000 8:46 AM
> To: [EMAIL PROTECTED]
> Subject: Some OSPF Questions
>
> Last night at our BSCN study group meeting in Dallas we had some questions
> about OSPF that we weren't able to resolve. If someone or ones could answer
> these it would clarify some areas we're a little fuzzy on. Also, if you're
> iin the Dallas Ft. Worth area and would like to attend, we'd love to have
> you join us..
>
> Thanks for any help,
>
> David Armstrong
>
>
> 1) What is the default time period that the BDR waits when listening to
> LSA's from the DR before it decides that the DR is down and promotes itself
> to DR. All the literature we could find simply said that the BDR waits for
> the specified time period but never said what that period is.
>
> 2) In a Point-to-Point network in which the router in Area 0 is connected to
> FR, ISDN, X.25 or ATM branch offices (networks), how does convergence and
> updates take place? From what we've found a DR and BDR is not elected in a
> strictly Point-to-Point network.
>
> I think an example would explain this question better: We have one 3620
> router in our Ft. Worth office connected to an office in Houston (via FR),
> and office in Kansas City (via FR), an office in the DFW area (via ISDN) and
> the owner's home (via ISDN). The 3620 is behind a firewall (Pix 520) and the
> firewall is connected to a 1720 going to the Internet. I'd like to implement
> OSPF on our network simply for the experience. However, I don't have 2
> routers internally on our Ethernet LAN that can be configured for Area 0 and
> elected to DR and BDR. All other routers connected to that router are via
> NBMA Point-to-Point connections. Since I only have one router on the
> Broadcast Multiaccess network (the 3620) and routers connected via PtoP
> don't participate in DR and BDR elections, how would updates occur? Can
> their only be one DR (in this case the 3620)?
>
> 3) The books and tutorials all state that "router ospf 6" defines ospf on
> the router with a process ID of 6. They then all say that you shouldn't
> define more than one process. Does that mean that you can have a router with
> the following:
>
> router ospf 6
> network 10.100.0.0 0.0.255.255
>
> router ospf 7
> network 10.200.0.0 0.0.255.255
>
> If this is an allowed configuration, what kind of instances would it be used
> for? Also, exactly what is the process ID used for?
>
>
>
>
> _________________________________
> FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
> Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
>
> _________________________________
> FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
> Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
>
-----------------------------------------------
Brian Feeny, CCNP, CCDP [EMAIL PROTECTED]
Network Administrator
ShreveNet Inc. (ASN 11881)
_________________________________
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
