>In my opinion if all that you are running are BGP
>whether it be IBGP or EBGP then there is no need for
>synchronisation so add no synchronisation in
>
>otherwise if you are running another igp example ospf
>etc. then in order to speed up process of convergence
>between igp and bgp I would add in no synchronisation
How do you define BGP convergence? When do you know if
you have a problem?
>
>
>regards,
>
>suaveguru
>--- Ahmed Aden <[EMAIL PROTECTED]> wrote:
>>
>> Thanks for the clarification. So with 'no
>> synchronization' set, every
>> peer who RECEIVES that route doesn't have to verify
>> if there is an igp
>> route to
>> it, but the originator still checks before
>> advertising it?
>>
>>
>> On Wed, 14 Feb 2001, Brian Dennis wrote:
>>
>> > Sychonization only comes into play when a BGP
>> route is learned from an iBGP
>> > peer. If you are the origniator of the route you
>> must have an IGP route.
>> > Disabling synchonization won't affect the
>> originator of the route.
>> >
>> > Brian Dennis
>> > CCIE #2210 (R&S)(ISP/Dial)
>> > CCSI #98640
>> >
>> > -----Original Message-----
>> > From: [EMAIL PROTECTED]
>> [mailto:[EMAIL PROTECTED]]On Behalf Of
>> > Ahmed Aden
>> > Sent: Wednesday, February 14, 2001 8:36 AM
>> > To: Rodgers Moore
>> > Cc: [EMAIL PROTECTED]
>> > Subject: Re: bgp questions
>> >
>> >
>> >
>> > Correct me if I'm wrong, but the only situation
>> that bgp cares about IGP's
>> > synchronization
>> > is when bgp is explicitly configured to announce
>> networks (i.e network
>> > x.x.x.x mask x.x.x.x) and it would have to check
>> the igp to see if there
>> > is a valid route to that network. This can be
>> overridden by 'no
>> > synchronization'. However, the default behavior
>> is that bgp announces
>> > active (I'm not sure what activate means) routes
>> (routes which are
>> > reachable via an IGP's routing table) to all
>> configured bgp peers
>> > irrespective of whether
>> > they are an ibgp or ebgp peer. For this reason, I
>> would select A. It's
>> > still very poorly worded, assuming 'activate' is
>> not a typo.
>> >
>> > hope this helps
>> >
>> >
>> > On Wed, 14 Feb 2001, Rodgers Moore wrote:
>> >
>> > > Yuck, really bad question. No frame of
>> reference, no nothin. What is a
>> > > activate route anyway? Active route?
>> > >
>> > > I think the key to answering this question is
>> the question: when would BGP
>> > > not report an active route? When BGP and the
>> IGP are not in sync, then an
>> > > active route would not be reported.
>> > >
>> > > I say "D" is the most likely suspect, although I
>> would change BGP to EBGP.
>> > >
>> > > Rodgers Moore
>> > >
>> > > ""Howard C. Berkowitz"" <[EMAIL PROTECTED]> wrote in
>> message
>> > > news:p05001900b6aff192dfe7@[63.216.127.98]...
>> > > > >I would choose D , correct me if I am wrong
>> > > > >--- David Tran <[EMAIL PROTECTED]>
>> wrote:
>> > > > >> I have this question on my cisco prep exam
>> > > > >> fill-in-the-blank. Please =
>> > > > >> help.
>> > > > >>
>> > > > >> A BGP router reports all activate routes
>> based from
>> > > > >> BGP ______. This is =
>> > > > >> the default policy action for BGP routers.
>> > > > >>
>> > > > >> A. to all BGP peers
>> > > > >> B. to all IBGP peers
>> > > > >> C. to all EBGP peers
>> > > > >> D. and the IGP's configured on the router
>> to all BGP
>> > > > >> peers
>> > > > >>
>> > > > >> I select choice a. Is it correct?
>> > > > >>
>> > > > >> David Tran
>> > > > > > [EMAIL PROTECTED]
>> > > > > >
>> > > >
>> > > >
>> > > > It's a poorly written question. If I was
>> forced to pick, but I don't
>> > > > understand the first sentence.
>> > > >
>> > > > _________________________________
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>> > >
>> > >
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