From: Bit Gossip (bit.gossip@chello.nl)
Date: Thu Aug 16 2007 - 14:28:26 ART
Hi Antonio,
I have tried with p2mp but it is not much better: R1(async65) ---
(aync1)R3(s4/1) --- (s4/1)R2
R3 Config
interface Loopback0
ip address 150.1.3.3 255.255.255.255
!
interface Serial4/1
ip address 1.1.1.3 255.255.255.0
encapsulation ppp
ip ospf network point-to-multipoint
!
interface Async1
ip address 1.1.1.3 255.255.255.0
encapsulation ppp
ip ospf network point-to-multipoint
async dynamic routing
async mode dedicated
routing dynamic
!
router ospf 1
log-adjacency-changes
network 0.0.0.0 255.255.255.255 area 0
R3#show ip ospf neighbor
Neighbor ID Pri State Dead Time Address Interface
150.1.1.1 0 FULL/ - 00:01:33 1.1.1.1 Async1
150.1.2.2 0 FULL/ - 00:01:46 1.1.1.2 Serial4/1
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
R3#show ip route ospf
150.1.0.0/32 is subnetted, 3 subnets
O 150.1.2.2 [110/65] via 1.1.1.2, 00:17:51, Async1 <<<<<<<<
O 150.1.1.1 [110/2632] via 1.1.1.1, 00:17:51, Async1
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
R3#show ip ospf database router
OSPF Router with ID (150.1.3.3) (Process ID 1)
Router Link States (Area 0)
LS age: 1106
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 150.1.1.1
Advertising Router: 150.1.1.1
LS Seq Number: 80000003
Checksum: 0xFD50
Length: 60
Number of Links: 3
Link connected to: another Router (point-to-point)
(Link ID) Neighboring Router ID: 150.1.3.3
(Link Data) Router Interface address: 1.1.1.1
Number of TOS metrics: 0
TOS 0 Metrics: 2631
Link connected to: a Stub Network
(Link ID) Network/subnet number: 1.1.1.1
(Link Data) Network Mask: 255.255.255.255
Number of TOS metrics: 0
TOS 0 Metrics: 0
Link connected to: a Stub Network
(Link ID) Network/subnet number: 150.1.1.1
(Link Data) Network Mask: 255.255.255.255
Number of TOS metrics: 0
TOS 0 Metrics: 1
LS age: 1094
Options: (No TOS-capability, DC)
LS Type: Router Links
Link State ID: 150.1.2.2
Advertising Router: 150.1.2.2
LS Seq Number: 80000003
Checksum: 0x1A3D
Length: 60
Number of Links: 3
Link connected to: another Router (point-to-point)
(Link ID) Neighboring Router ID: 150.1.3.3
(Link Data) Router Interface address: 1.1.1.2
Number of TOS metrics: 0
TOS 0 Metrics: 64
Link connected to: a Stub Network
(Link ID) Network/subnet number: 1.1.1.2
(Link Data) Network Mask: 255.255.255.255
Number of TOS metrics: 0
TOS 0 Metrics: 0
Link connected to: a Stub Network
(Link ID) Network/subnet number: 150.1.2.2
(Link Data) Network Mask: 255.255.255.255
Number of TOS metrics: 0
TOS 0 Metrics: 1
----- Original Message -----
From: "Antonio Soares" <amsoares@netcabo.pt>
To: "'Bajo'" <bajoalex@gmail.com>; "'NITIN NITIN'"
<ccie_study_123@yahoo.com>
Cc: "'Bit Gossip'" <bit.gossip@chello.nl>; "'Julio Carrasco'"
<julio.carrasco@ya.com>; <ccielab@groupstudy.com>
Sent: Thursday, August 16, 2007 7:14 PM
Subject: RE: PPPoFR Config.
> You should change your OSPF network config from the default p2p to p2mp.
> In
> reality you don't have a p2p setup that's why you will get that strange
> OSPF
> behavior.
>
>
> Regards,
>
> Antonio Soares
> CCIE #18473, CCNP, CCIP
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Bajo
> Sent: quinta-feira, 16 de Agosto de 2007 17:44
> To: NITIN NITIN
> Cc: Bit Gossip; Julio Carrasco; ccielab@groupstudy.com
> Subject: Re: PPPoFR Config.
>
> Like Antonoio has said, I have seen this IOS OSPF issue.. Was looking for
> any defect id. No luck yet.
>
> On 8/16/07, NITIN NITIN <ccie_study_123@yahoo.com> wrote:
>> not sure about ospf but this thing Works fine with EIGRP ---- Experts
>> , guide is this isue with ospf if we have 2 Virtual templates with
>> same ip in OSPF
>>
>> interface Virtual-Template13
>> ip address 167.3.135.3 255.255.255.0
>> !
>> interface Virtual-Template35
>> ip address 167.3.135.3 255.255.255.0
>>
>>
>> Bit Gossip <bit.gossip@chello.nl> wrote:
>> HI Julio,
>> even if R1, R2 and R3 can ping eachother with this configuration, I
>> notice the following problem when configuring OSPF:
>> - the adjacencies are up
>> - but R3 can not istall any OSPF route out of the LSA received from R1
>> complaining that the advertising route is unreachable I guess this
>> stems from the fact that R3 has 2 interfaces in the same subnet and as
>> soon as I delete one of them, then everything works as it should I
>> this topology I would rather use 2 different subnets.
>> Bit.
>>
>> R3#show ip route ospf
>>
>> R3#show ip ospf database router 150.1.1.1
>>
>> OSPF Router with ID (150.1.3.3) (Process ID 1)
>>
>> Router Link States (Area 135)
>>
>> Adv Router is not-reachable
>> LS age: 1987
>> Options: (No TOS-capability, DC)
>> LS Type: Router Links
>> Link State ID: 150.1.1.1
>> Advertising Router: 150.1.1.1
>> LS Seq Number: 80000014
>> Checksum: 0xED41
>> Length: 60
>> Number of Links: 3
>>
>> <.....>
>> R3#conf terminal
>> Enter configuration commands, one per line. End with CNTL/Z.
>> R3(config)#int s4/0
>> R3(config-if)#no frame-relay interface-dlci 305 ppp Virtual-Template35
>> R3(config-if)# *Aug 16 06:34:38.265: %LINK-3-UPDOWN: Interface
>> Virtual-Access2, changed state to down *Aug 16 06:34:38.265:
>> %OSPF-5-ADJCHG: Process 1, Nbr 167.3.135.5 on
>> Virtual-Access2 from FULL to DOWN, Neighbor Down: Interface down or
>> detached *Aug 16 06:34:39.265: %LINEPROTO-5-UPDOWN: Line protocol on
>> Interface Virtual-Access2, changed state to down R3(config-if)#do show
>> ip route ospf
>> 150.1.0.0/16 is variably subnetted, 2 subnets, 2 masks O 150.1.1.1/32
>> [110/2] via 167.3.135.1, 00:00:04, Virtual-Access1
>>
>> ~~~~~~~~~~~Config~~~~~~~~~~~~~~R1
>> interface Loopback0
>> ip address 150.1.1.1 255.255.255.0
>> !
>> interface Serial0/0
>> no ip address
>> encapsulation frame-relay
>> clock rate 128000
>> frame-relay interface-dlci 103 ppp Virtual-Template13 frame-relay
>> lmi-type cisco !
>> interface Virtual-Template13
>> ip address 167.3.135.1 255.255.255.0
>> !
>> router ospf 1
>> router-id 150.1.1.1
>> log-adjacency-changes
>> network 150.1.1.1 0.0.0.0 area 135
>> network 167.3.135.1 0.0.0.0 area 135
>>
>> ~~~~~~~~~~~Config~~~~~~~~~~~~~~R3
>>
>> interface Loopback0
>> ip address 150.1.3.3 255.255.255.0
>> !
>> interface Virtual-Template13
>> ip address 167.3.135.3 255.255.255.0
>> !
>> interface Virtual-Template35
>> ip address 167.3.135.3 255.255.255.0
>> !
>> router ospf 1
>> router-id 150.1.3.3
>> log-adjacency-changes
>> network 150.1.3.3 0.0.0.0 area 135
>> network 167.3.135.3 0.0.0.0 area 135
>> !
>> ~~~~~~~~~~~Config~~~~~~~~~~~~~~R5
>>
>> interface Serial0/0
>> no ip address
>> encapsulation frame-relay
>> no fair-queue
>> clock rate 128000
>> frame-relay traffic-shaping
>> frame-relay interface-dlci 503 ppp Virtual-Template35 !
>> interface Virtual-Template35
>> ip address 167.3.135.5 255.255.255.0
>> !
>> router ospf 1
>> log-adjacency-changes
>> network 167.3.135.5 0.0.0.0 area 135
>>
>> ----- Original Message -----
>> From: "Bit Gossip"
>> To: "Julio Carrasco" ;
>> Sent: Wednesday, August 15, 2007 7:37 PM
>> Subject: Re: PPPoFR Config.
>>
>>
>> > Hi Julio,
>> > I have pasted your config exactly as from your post and it works
>> > fine! I am running (C2600-ADVIPSERVICESK9-M), Version 12.4(12) Do
>> > you have the host routes generated by PPP? I think this is what
>> > makes this config works.
>> >
>> > 167.3.0.0/16 is variably subnetted, 3 subnets, 2 masks C
>> > 167.3.135.1/32 is directly connected, Virtual-Access1 C
>> > 167.3.135.0/24 is directly connected, Virtual-Access2 is directly
>> > connected, Virtual-Access1 C 167.3.135.5/32 is directly connected,
>> > Virtual-Access2 R3#
>> >
>> > Thanks,
>> > Bit.
>> >
>> > ----- Original Message -----
>> > From: "Julio Carrasco"
>> > To:
>> > Sent: Tuesday, August 14, 2007 7:36 PM
>> > Subject: PPPoFR Config.
>> >
>> >
>> >> Hello guys,
>> >>
>> >> I know that I am doing something stupid, but i cannot find out
>> >> what, Do you know why I cannot establish communication between
>> >> those three ?
>> >>
>> >> Thanks in advance.
>> >>
>> >> R5
>> >>
>> >> interface Serial0/0/0
>> >> no ip address
>> >> encapsulation frame-relay
>> >> no fair-queue
>> >> frame-relay traffic-shaping
>> >> frame-relay interface-dlci 503 ppp Virtual-Template35 !
>> >> interface Virtual-Template35
>> >> ip address 167.3.135.5 255.255.255.0
>> >>
>> >>
> ........................................................................
>> >>
>> >> R3
>> >>
>> >> interface Serial1/0
>> >> no ip address
>> >> encapsulation frame-relay
>> >> no fair-queue
>> >> frame-relay interface-dlci 301 ppp Virtual-Template13 frame-relay
>> >> interface-dlci 305 ppp Virtual-Template35 !
>> >> interface Serial1/1
>> >> no ip address
>> >> shutdown
>> >> !
>> >> interface Serial1/2
>> >> ip address 167.3.13.3 255.255.255.0 !
>> >> interface Serial1/3
>> >> no ip address
>> >> shutdown
>> >> !
>> >> interface Virtual-Template13
>> >> ip address 167.3.135.3 255.255.255.0 !
>> >> interface Virtual-Template35
>> >> ip address 167.3.135.3 255.255.255.0
>> >>
>> >> .......................................................
>> >>
>> >> R1
>> >>
>> >> interface Serial0/0/0
>> >> no ip address
>> >> encapsulation frame-relay
>> >> frame-relay interface-dlci 103 ppp Virtual-Template13 frame-relay
>> >> lmi-type cisco !
>> >> interface Virtual-Template13
>> >> ip address 167.3.135.1 255.255.255.0 !
>> >>
>> >> ___________________________________________________________________
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>> >
>> > ____________________________________________________________________
>> > ___ Subscription information may be found at:
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>>
>> ______________________________________________________________________
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>>
>>
>>
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>
>
> --
> Kind Regards,
>
> Bajo
>
> _______________________________________________________________________
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>
> _______________________________________________________________________
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This archive was generated by hypermail 2.1.4 : Sat Sep 01 2007 - 11:32:11 ART