From: Andy Hogard (andyhogard@gmail.com)
Date: Fri Dec 26 2008 - 15:34:51 ARST
Okie dokie, sir!! Thanks. :)
On Fri, Dec 26, 2008 at 11:03 PM, Narbik Kocharians <narbikk@gmail.com>wrote:
> Andy, unicast me.
>
>
> On Fri, Dec 26, 2008 at 8:31 AM, Andy Hogard <andyhogard@gmail.com> wrote:
>
>> Also, in the WB solution ..there is a static route, being used to null0.
>> Which in the lab would simply be not possible ..hence, the reason why I
>> came
>> up with an alternate.
>>
>> Just thought would add it as well.
>>
>> On Fri, Dec 26, 2008 at 9:57 PM, Andy Hogard <andyhogard@gmail.com>
>> wrote:
>>
>> > Yeah, R3 never gets it, because it has its own as no in the as-path ..
>> but
>> > then aggergate goes away only when the lo 0 on R1 goes down, R3 never
>> gets
>> > the aggegrate ya!!
>> >
>> > *"R1 should NOT use R2 if it's network 3.1.11.0/24 network is down"*
>> which
>> > is also part of the task, and the solution is in co-ordance with the
>> task
>> > ..init?!
>> >
>> > :-?
>> >
>> >
>> > On Fri, Dec 26, 2008 at 9:16 PM, Larry <cc13lab@gmail.com> wrote:
>> >
>> >> then you would still get 0 points because the aggregate is gone.....
>> read
>> >> the question it is to create an aggregate that R3 does not get.... not
>> R1
>> >>
>> >>
>> >> This aggregation should be done such that
>> >> the R1 in AS 100 is the only AS that recieves the aggregate route,
>> >>
>> >>
>> >>
>> >>
>> >> On Fri, Dec 26, 2008 at 10:39 AM, Andy Hogard <andyhogard@gmail.com
>> >wrote:
>> >>
>> >>> Yeah, I know Narbik must be busy with x-mas ya!! So seeking some help
>> >>> from the group & I thought someone must have done this whilst their
>> >>> practise.
>> >>>
>> >>> Anyways, are you telling this ..because you tested my config or just
>> >>> because you feel so. Lab it up dear, R1 will no longer have the
>> summary ..if
>> >>> its loo 0 ie 3.1.11.0/24 went down. That's infact is the condition in
>> >>> the advertise map on R2. Infact when R1 loo 0 goes down it is only
>> left with
>> >>> 2.0.0.0/8 netowrk in its bgp table. :)
>> >>>
>> >>> So I would still bag points, and besides all this I just wanted to
>> know
>> >>> if this is a valid solution for his task.
>> >>>
>> >>> Cheers!
>> >>>
>> >>> On Fri, Dec 26, 2008 at 8:07 PM, Larry <cc13lab@gmail.com> wrote:
>> >>>
>> >>>> You would get 0 points for the section because R1 will use the
>> summary
>> >>>> address when its 3.1.11.0/24 is down.
>> >>>>
>> >>>> "R1 should NOT use R2 if it's
>> >>>> network 3.1.11.0/24 network is down."
>> >>>>
>> >>>> But why are you asking us?? why not ask Narbik these questions????
>> >>>>
>> >>>>
>> >>>>
>> >>>> -larry
>> >>>>
>> >>>>
>> >>>>
>> >>>> On Fri, Dec 26, 2008 at 7:41 AM, Andy Hogard <andyhogard@gmail.com
>> >wrote:
>> >>>>
>> >>>>> Hey all,
>> >>>>>
>> >>>>>
>> >>>>> This is what *the task* *5 of bgp lab 5 wants us to do "*R2 should
>> >>>>> aggergate
>> >>>>> all the networks in 3.1.0.0 address space and advertise a single
>> >>>>> aggregate
>> >>>>> route that only aggregates the specific routes for subnet under the
>> >>>>> 3.0.0.0
>> >>>>> network in it's BGP table, ensure that the atomic-aggregate
>> attribute
>> >>>>> is not
>> >>>>> attacher to the aggregate route. This aggregation should be done
>> such
>> >>>>> that
>> >>>>> the R1 in AS 100 is the only AS that recieves the aggregate route,
>> R3
>> >>>>> in AS
>> >>>>> 300 should NOT recieve the aggregate route. R1 should NOT use R2 if
>> >>>>> it's
>> >>>>> network 3.1.11.0/24 network is down. R3 does not need NLRI to
>> network
>> >>>>> 3.1.11.0/24 advertised by R1.*"*
>> >>>>>
>> >>>>> *Network topolgy,*
>> >>>>>
>> >>>>> R1 -----FR-Cloud----- R2 ------Ethernet ------R3
>> >>>>> 10.1.12.0/24 10.1.23.0/24
>> >>>>>
>> >>>>>
>> >>>>> Hmm, *below is my solution* to achieve this task, *which differs
>> from
>> >>>>> the
>> >>>>> solution mentioned in the w-book..*
>> >>>>>
>> >>>>> *Config on R1,*
>> >>>>>
>> >>>>> version 12.3
>> >>>>> service timestamps debug datetime msec
>> >>>>> service timestamps log datetime msec
>> >>>>> no service password-encryption
>> >>>>> !
>> >>>>> hostname R1
>> >>>>> !
>> >>>>> boot-start-marker
>> >>>>> boot-end-marker
>> >>>>> !
>> >>>>> !
>> >>>>> no aaa new-model
>> >>>>> !
>> >>>>> resource policy
>> >>>>> !
>> >>>>> memory-size iomem 5
>> >>>>> ip subnet-zero
>> >>>>> !
>> >>>>> !
>> >>>>> ip cef
>> >>>>> no ip domain lookup
>> >>>>> no ip dhcp use vrf connected
>> >>>>> !
>> >>>>> !
>> >>>>> no ip ips deny-action ips-interface
>> >>>>> !
>> >>>>> no ftp-server write-enable
>> >>>>> !
>> >>>>> no crypto isakmp ccm
>> >>>>> !
>> >>>>> !
>> >>>>> interface Loopback0
>> >>>>> ip address 3.1.11.1 255.255.255.0
>> >>>>> !
>> >>>>> interface Ethernet0/0
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> half-duplex
>> >>>>> !
>> >>>>> interface Ethernet0/1
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> half-duplex
>> >>>>> !
>> >>>>> interface Ethernet0/2
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> half-duplex
>> >>>>> !
>> >>>>> interface Ethernet0/3
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> half-duplex
>> >>>>> !
>> >>>>> interface Serial1/0
>> >>>>> no ip address
>> >>>>> encapsulation frame-relay
>> >>>>> serial restart-delay 0
>> >>>>> no dce-terminal-timing-enable
>> >>>>> !
>> >>>>> interface Serial1/0.12 point-to-point
>> >>>>> ip address 10.1.12.1 255.255.255.0
>> >>>>> frame-relay interface-dlci 102
>> >>>>> !
>> >>>>> interface Serial1/1
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> serial restart-delay 0
>> >>>>> no dce-terminal-timing-enable
>> >>>>> !
>> >>>>> interface Serial1/2
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> serial restart-delay 0
>> >>>>> no dce-terminal-timing-enable
>> >>>>> !
>> >>>>> interface Serial1/3
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> serial restart-delay 0
>> >>>>> no dce-terminal-timing-enable
>> >>>>> !
>> >>>>> router bgp 100
>> >>>>> no synchronization
>> >>>>> bgp log-neighbor-changes
>> >>>>> network 3.1.11.0 mask 255.255.255.0
>> >>>>> neighbor 10.1.12.2 remote-as 200
>> >>>>> neighbor 10.1.12.2 allowas-in 1
>> >>>>> no auto-summary
>> >>>>> !
>> >>>>> ip http server
>> >>>>> no ip http secure-server
>> >>>>> ip classless
>> >>>>> !
>> >>>>> control-plane
>> >>>>> !
>> >>>>> !
>> >>>>> line con 0
>> >>>>> exec-timeout 0 0
>> >>>>> logging synchronous
>> >>>>> line aux 0
>> >>>>> line vty 0 4
>> >>>>> exec-timeout 0 0
>> >>>>> logging synchronous
>> >>>>> login
>> >>>>> !
>> >>>>> !
>> >>>>> end
>> >>>>>
>> >>>>> *Config on R2,*
>> >>>>>
>> >>>>> version 12.3
>> >>>>> service timestamps debug datetime msec
>> >>>>> service timestamps log datetime msec
>> >>>>> no service password-encryption
>> >>>>> !
>> >>>>> hostname R2
>> >>>>> !
>> >>>>> boot-start-marker
>> >>>>> boot-end-marker
>> >>>>> !
>> >>>>> !
>> >>>>> no aaa new-model
>> >>>>> !
>> >>>>> resource policy
>> >>>>> !
>> >>>>> memory-size iomem 5
>> >>>>> ip subnet-zero
>> >>>>> !
>> >>>>> !
>> >>>>> ip cef
>> >>>>> no ip domain lookup
>> >>>>> no ip dhcp use vrf connected
>> >>>>> !
>> >>>>> !
>> >>>>> no ip ips deny-action ips-interface
>> >>>>> !
>> >>>>> no ftp-server write-enable
>> >>>>> !
>> >>>>> no crypto isakmp ccm
>> >>>>> !
>> >>>>> !
>> >>>>> interface Loopback0
>> >>>>> ip address 2.2.2.2 255.0.0.0
>> >>>>> !
>> >>>>> interface Ethernet0/0
>> >>>>> ip address 10.1.23.2 255.255.255.0
>> >>>>> full-duplex
>> >>>>> !
>> >>>>> interface Ethernet0/1
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> half-duplex
>> >>>>> !
>> >>>>> interface Ethernet0/2
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> half-duplex
>> >>>>> !
>> >>>>> interface Ethernet0/3
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> half-duplex
>> >>>>> !
>> >>>>> interface Serial1/0
>> >>>>> no ip address
>> >>>>> encapsulation frame-relay
>> >>>>> serial restart-delay 0
>> >>>>> no dce-terminal-timing-enable
>> >>>>> !
>> >>>>> interface Serial1/0.21 point-to-point
>> >>>>> ip address 10.1.12.2 255.255.255.0
>> >>>>> frame-relay interface-dlci 201
>> >>>>> !
>> >>>>> interface Serial1/1
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> serial restart-delay 0
>> >>>>> no dce-terminal-timing-enable
>> >>>>> !
>> >>>>> interface Serial1/2
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> serial restart-delay 0
>> >>>>> no dce-terminal-timing-enable
>> >>>>> !
>> >>>>> interface Serial1/3
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> serial restart-delay 0
>> >>>>> no dce-terminal-timing-enable
>> >>>>> !
>> >>>>> router bgp 200
>> >>>>> no synchronization
>> >>>>> bgp log-neighbor-changes
>> >>>>> network 2.0.0.0
>> >>>>> aggregate-address 3.1.0.0 255.255.240.0 as-set summary-only
>> >>>>> advertise-map
>> >>>>> IF_NET_3.1.11.0/24
>> >>>>> neighbor 10.1.12.1 remote-as 100
>> >>>>> neighbor 10.1.23.3 remote-as 300
>> >>>>> neighbor 10.1.23.3 unsuppress-map UNSUP_NET3.1.11.0/24
>> >>>>> default-metric 50
>> >>>>> no auto-summary
>> >>>>> !
>> >>>>> ip http server
>> >>>>> no ip http secure-server
>> >>>>> ip classless
>> >>>>> !
>> >>>>> !
>> >>>>> !
>> >>>>> ip prefix-list NET3.1.11.0/24 seq 5 permit 3.1.11.0/24
>> >>>>> !
>> >>>>> route-map IF_NET_3.1.11.0/24 permit 10
>> >>>>> match ip address prefix-list NET3.1.11.0/24
>> >>>>> !
>> >>>>> route-map UNSUP_NET3.1.11.0/24 permit 10
>> >>>>> match ip address prefix-list NET3.1.11.0/24
>> >>>>> !
>> >>>>> !
>> >>>>> !
>> >>>>> control-plane
>> >>>>> !
>> >>>>> line con 0
>> >>>>> exec-timeout 0 0
>> >>>>> logging synchronous
>> >>>>> line aux 0
>> >>>>> line vty 0 4
>> >>>>> exec-timeout 0 0
>> >>>>> logging synchronous
>> >>>>> login
>> >>>>> !
>> >>>>> !
>> >>>>> end
>> >>>>>
>> >>>>> *Config on R3, *
>> >>>>>
>> >>>>> version 12.3
>> >>>>> service timestamps debug datetime msec
>> >>>>> service timestamps log datetime msec
>> >>>>> no service password-encryption
>> >>>>> !
>> >>>>> hostname R3
>> >>>>> !
>> >>>>> boot-start-marker
>> >>>>> boot-end-marker
>> >>>>> !
>> >>>>> !
>> >>>>> no aaa new-model
>> >>>>> !
>> >>>>> resource policy
>> >>>>> !
>> >>>>> memory-size iomem 5
>> >>>>> ip subnet-zero
>> >>>>> !
>> >>>>> !
>> >>>>> ip cef
>> >>>>> no ip domain lookup
>> >>>>> no ip dhcp use vrf connected
>> >>>>> !
>> >>>>> !
>> >>>>> no ip ips deny-action ips-interface
>> >>>>> !
>> >>>>> no ftp-server write-enable
>> >>>>> !
>> >>>>> !
>> >>>>> no crypto isakmp ccm
>> >>>>> !
>> >>>>> !
>> >>>>> interface Loopback0
>> >>>>> ip address 3.1.0.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback1
>> >>>>> ip address 3.1.1.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback2
>> >>>>> ip address 3.1.2.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback3
>> >>>>> ip address 3.1.3.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback4
>> >>>>> ip address 3.1.4.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback5
>> >>>>> ip address 3.1.5.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback6
>> >>>>> ip address 3.1.6.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback7
>> >>>>> ip address 3.1.7.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback8
>> >>>>> ip address 3.1.8.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback9
>> >>>>> ip address 3.1.9.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback10
>> >>>>> ip address 3.1.10.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback12
>> >>>>> ip address 3.1.12.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback13
>> >>>>> ip address 3.1.13.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback14
>> >>>>> ip address 3.1.14.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Loopback15
>> >>>>> ip address 3.1.15.3 255.255.255.0
>> >>>>> !
>> >>>>> interface Ethernet0/0
>> >>>>> ip address 10.1.23.3 255.255.255.0
>> >>>>> full-duplex
>> >>>>> !
>> >>>>> interface Ethernet0/1
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> half-duplex
>> >>>>> !
>> >>>>> interface Ethernet0/2
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> half-duplex
>> >>>>> !
>> >>>>> interface Ethernet0/3
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> half-duplex
>> >>>>> !
>> >>>>> interface Serial1/0
>> >>>>> no ip address
>> >>>>> encapsulation frame-relay
>> >>>>> serial restart-delay 0
>> >>>>> no dce-terminal-timing-enable
>> >>>>> !
>> >>>>> interface Serial1/0.34 point-to-point
>> >>>>> ip address 10.1.34.3 255.255.255.0
>> >>>>> frame-relay interface-dlci 304
>> >>>>> !
>> >>>>> interface Serial1/1
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> serial restart-delay 0
>> >>>>> no dce-terminal-timing-enable
>> >>>>> !
>> >>>>> interface Serial1/2
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> serial restart-delay 0
>> >>>>> no dce-terminal-timing-enable
>> >>>>> !
>> >>>>> interface Serial1/3
>> >>>>> no ip address
>> >>>>> shutdown
>> >>>>> serial restart-delay 0
>> >>>>> no dce-terminal-timing-enable
>> >>>>> !
>> >>>>> router bgp 300
>> >>>>> no synchronization
>> >>>>> bgp log-neighbor-changes
>> >>>>> network 3.1.0.0 mask 255.255.255.0
>> >>>>> network 3.1.1.0 mask 255.255.255.0
>> >>>>> network 3.1.2.0 mask 255.255.255.0
>> >>>>> network 3.1.3.0 mask 255.255.255.0
>> >>>>> network 3.1.4.0 mask 255.255.255.0
>> >>>>> network 3.1.5.0 mask 255.255.255.0
>> >>>>> network 3.1.6.0 mask 255.255.255.0
>> >>>>> network 3.1.7.0 mask 255.255.255.0
>> >>>>> network 3.1.8.0 mask 255.255.255.0
>> >>>>> network 3.1.9.0 mask 255.255.255.0
>> >>>>> network 3.1.10.0 mask 255.255.255.0
>> >>>>> network 3.1.12.0 mask 255.255.255.0
>> >>>>> network 3.1.13.0 mask 255.255.255.0
>> >>>>> network 3.1.14.0 mask 255.255.255.0
>> >>>>> network 3.1.15.0 mask 255.255.255.0
>> >>>>> neighbor 10.1.23.2 remote-as 200
>> >>>>> no auto-summary
>> >>>>> !
>> >>>>> ip http server
>> >>>>> no ip http secure-server
>> >>>>> ip classless
>> >>>>> !
>> >>>>> !
>> >>>>> control-plane
>> >>>>> !
>> >>>>> line con 0
>> >>>>> exec-timeout 0 0
>> >>>>> logging synchronous
>> >>>>> line aux 0
>> >>>>> line vty 0 4
>> >>>>> exec-timeout 0 0
>> >>>>> logging synchronous
>> >>>>> login
>> >>>>> !
>> >>>>> !
>> >>>>> end
>> >>>>>
>> >>>>> *Now while I know my solution is correct, I want some of you experts
>> to
>> >>>>> tell
>> >>>>> me if this was the task on the ccie lab, would I have scored all the
>> >>>>> points
>> >>>>> or none.
>> >>>>> *
>> >>>>>
>> >>>>> *Regards,
>> >>>>> Andy.*
>> >>>>>
>> >>>>> --
>> >>>>> My Blog URL: http://ccieno.blogspot.com/
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> --
>> >>>>> My Blog URL: http://ccieno.blogspot.com/
>> >>>>>
>> >>>>>
>> >>>>> Blogs and organic groups at http://www.ccie.net
>> >>>>>
>> >>>>>
>> _______________________________________________________________________
>> >>>>> Subscription information may be found at:
>> >>>>> http://www.groupstudy.com/list/CCIELab.html
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>
>> >>>
>> >>>
>> >>> --
>> >>> My Blog URL: http://ccieno.blogspot.com/
>> >>>
>> >>
>> >>
>> >
>> >
>> > --
>> > My Blog URL: http://ccieno.blogspot.com/
>> >
>>
>>
>>
>> --
>> My Blog URL: http://ccieno.blogspot.com/
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>>
>>
>>
>>
>>
>>
>>
>
>
> --
> Narbik Kocharians
> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> www.MicronicsTraining.com
> www.Net-Workbooks.com
> Sr. Technical Instructor
>
-- My Blog URL: http://ccieno.blogspot.com/Blogs and organic groups at http://www.ccie.net
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