RE: Changing the OSPF Dead-Interval

From: Brian Dennis (brian@5g.net)
Date: Tue Sep 24 2002 - 14:28:54 GMT-3


Always?

R2#sho ip os int e0
Ethernet0 is up, line protocol is up
  Internet Address 10.1.1.2/24, Area 0
  Process ID 1, Router ID 10.1.1.2, Network Type BROADCAST, Cost: 10
  Transmit Delay is 1 sec, State BDR, Priority 1
  Designated Router (ID) 212.12.12.1, Interface address 10.1.1.1
  Backup Designated router (ID) 10.1.1.2, Interface address 10.1.1.2
  Flush timer for old DR LSA due in 00:02:49
  Timer intervals configured, Hello 1, Dead 2, Wait 2, Retransmit 5
                              ^^^^^^^^^^^^^^^^
    Hello due in 00:00:00
  Index 1/1, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 1
  Last flood scan time is 0 msec, maximum is 0 msec
  Neighbor Count is 1, Adjacent neighbor count is 1
    Adjacent with neighbor 212.12.12.1 (Designated Router)
  Suppress hello for 0 neighbor(s)
R2#sho ip o n

Neighbor ID Pri State Dead Time Address
Interface
212.12.12.1 1 FULL/DR 00:00:01 10.1.1.1
Ethernet0

Brian Dennis, CCIE #2210 (R&S/ISP Dial)

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Paglia, John (USPC.PCT.Hopewell)
Sent: Tuesday, September 24, 2002 9:23 AM
To: 'Larson, Chris'; 'Manish Gupta'
Cc: 'Young Bae'; ccielab@groupstudy.com
Subject: RE: Changing the OSPF Dead-Interval

The dead timer is ALWAYS 4x the hello interval. if you want dead to be
400,
make the hello 100. It will definately work.

John

> -----Original Message-----
> From: Larson, Chris [SMTP:CLarson@usaid.gov]
> Sent: Tuesday, September 24, 2002 12:09 PM
> To: 'Manish Gupta'; Larson, Chris
> Cc: 'Young Bae'; ccielab@groupstudy.com
> Subject: RE: Changing the OSPF Dead-Interval
>
> I think if you look at my last post you will see that clearly this is
not
> true. Unless I am totally missing something, it does not matter what I
> change the hello interval to, all the other timers follow. If I set it
to
> 32
> dead timer changes to 128, if I change hello to 25 dead goes to 100
etc.
> etc.
>
> If I am missing something please explain or show me.
>
>
>
> > -----Original Message-----
> > From: Manish Gupta [SMTP:manishgu@cisco.com]
> > Sent: Monday, September 23, 2002 6:15 PM
> > To: Larson, Chris
> > Cc: 'Young Bae'; ccielab@groupstudy.com
> > Subject: RE: Changing the OSPF Dead-Interval
> >
> > Once you manually changes the hello timer, It won't make dead-time
to 4
> > times of hello. It happens only for default values.
> > -Manish
> >
> > On Mon, 23 Sep 2002, Larson, Chris wrote:
> >
> > > By changing the hello-interval. I think changing the hello will
> > > automatically change the dead to 4 times the hello
> > >
> > > > -----Original Message-----
> > > > From: Young Bae [SMTP:ybae@cisco.com]
> > > > Sent: Sunday, September 22, 2002 9:59 PM
> > > > To: ccielab@groupstudy.com
> > > > Subject: Changing the OSPF Dead-Interval
> > > >
> > > > Hello,
> > > >
> > > > I hate asking this type of question to such an advanced audience
> like
> > this
> > > > one, but can someone tell me how one can change the OSPF
> Dead-Interval
> > > > timer without using the "ip ospf dead-interval" command. For
> example,
> > if
> > > > I were to change the interval to twice its default value (for
both
> > p-to-p
> > > > and NBMA type interface), what would I do?
> > > >
> > > > Thanks in advance,



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