From: ehiwe peter (ccie.in.nigeria@gmail.com)
Date: Fri Aug 01 2008 - 17:41:19 ART
In correction to my earlier post the broadcast keyword actually gives the
frelay pvc broadcast capability or it allows broadcasts to be sent to the ip
addy specified int he fr map statement thats why adj is forming.
On 8/1/08, ehiwe peter <ccie.in.nigeria@gmail.com> wrote:
>
> reload ur routers sometimes weird things happen.
>
> On 8/1/08, Michael Jones <majonestx@gmail.com> wrote:
>>
>> no neigbor statment under the routing process
>>
>> Rack1R1#sho run | begin router
>> router ospf 1
>> router-id 14.0.0.1
>> log-adjacency-changes
>> network 1.1.1.1 0.0.0.0 area 0
>> network 12.0.0.1 0.0.0.0 area 0
>> network 13.0.0.1 0.0.0.0 area 1
>> network 14.0.0.1 0.0.0.0 area 0
>>
>>
>> On Fri, Aug 1, 2008 at 12:21 PM, Michael Jones <majonestx@gmail.com>wrote:
>>
>>> Am is missing something here ?
>>>
>>> Here we have a relationshipp built using two non-broadcast serial
>>> interfaces (default) with just map statements ?
>>>
>>> Rack1R1#sho ip ospf ne
>>> Neighbor ID Pri State Dead Time Address
>>> Interface
>>> 25.0.0.2 1 FULL/BDR 00:01:41 12.0.0.2
>>> Serial0/0
>>> 14.0.0.4 0 FULL/DROTHER 00:00:36 14.0.0.4
>>> FastEthernet0/0
>>>
>>>
>>> No ospf network type change on interface ?????????????
>>>
>>> Rack1R1#sho run int serial 0/0
>>> Building configuration...
>>>
>>> Current configuration : 156 bytes
>>> !
>>> interface Serial0/0
>>> ip address 12.0.0.1 255.0.0.0
>>> encapsulation frame-relay
>>> frame-relay map ip 12.0.0.2 102 broadcast
>>> no frame-relay inverse-arp
>>> end
>>> Serial interface still in its default settings ???????????
>>>
>>> Rack1R1#sho ip ospf int se
>>> Rack1R1#sho ip ospf int serial 0/0
>>> Serial0/0 is up, line protocol is up
>>>
>>> Internet Address 12.0.0.1/8, Area 0
>>> Process ID 1, Router ID 14.0.0.1, Network Type NON_BROADCAST, Cost: 64
>>>
>>> Transmit Delay is 1 sec, State DR, Priority 1
>>>
>>> Designated Router (ID) 14.0.0.1, Interface address 12.0.0.1
>>> Backup Designated router (ID) 25.0.0.2, Interface address 12.0.0.2
>>> Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
>>> oob-resync timeout 120
>>>
>>> Hello due in 00:00:15
>>> Supports Link-local Signaling (LLS)
>>> Index 3/3, flood queue length 0
>>> Next 0x0(0)/0x0(0)
>>> Last flood scan length is 1, maximum is 2
>>>
>>> Last flood scan time is 0 msec, maximum is 4 msec
>>> Neighbor Count is 1, Adjacent neighbor count is 1
>>> Adjacent with neighbor 25.0.0.2 (Backup Designated Router)
>>> Suppress hello for 0 neighbor(s)
>>>
>>> Yet I still have an adjacency, please keep in mind I've been studying
>>> since 7am this morning- so i could be missing something stupid.
>>>
>>
>>
>>
>> Rack1R1#sho run | begin router
>> router ospf 1
>> router-id 14.0.0.1
>> log-adjacency-changes
>> network 1.1.1.1 0.0.0.0 area 0
>> network 12.0.0.1 0.0.0.0 area 0
>> network 13.0.0.1 0.0.0.0 area 1
>> network 14.0.0.1 0.0.0.0 area 0
>>
>>
>>>
>>>
>>>
>>> On Fri, Aug 1, 2008 at 11:06 AM, ehiwe peter <
>>> ccie.in.nigeria@gmail.com> wrote:
>>>
>>>> You can form ospf neighbor relationship and exchange updates without
>>>> changing the network type by using the neighbor command which does things in
>>>> unicast format.
>>>>
>>>> The map statement with broadcast keyword just allows broadcasts and
>>>> multicast to be sent on that pvc.
>>>>
>>>> IF u r going to use the default network type on the interface then the
>>>> broadcast keyword on the frame map statement is not necesary since the
>>>> interface does not allow broadcast anyway.
>>>>
>>>> Also , The relationship btw network type on the interface and the
>>>> broadcast statement on the map statement is not that of one over ruling the
>>>> other.
>>>>
>>>>
>>>> On Fri, Aug 1, 2008 at 4:00 PM, Michael Jones <majonestx@gmail.com>wrote:
>>>>
>>>>
>>>>> Quick questions friends....
>>>>>
>>>>>
>>>>> I understand the serial in a non brodacast medium by default. I also
>>>>> understand the diff types of ospf networks.
>>>>>
>>>>> My question is if you have a map statement allowing broadcast ex.
>>>>> frame-relay map ip 10.0.0.5 broadcast
>>>>>
>>>>> Yet the serial interface is non-broadcast by default ex- below
>>>>>
>>>>> Rack1R2#sho ip ospf int serial 0/0
>>>>> Serial0/0 is up, line protocol is up
>>>>> Internet Address 10.0.0.2/8, Area 0
>>>>> Process ID 1, Router ID 10.0.0.2, Network Type NON_BROADCAST, Cost:
>>>>> 64
>>>>> Transmit Delay is 1 sec, State DR, Priority 1
>>>>> Designated Router (ID) 10.0.0.2, Interface address 10.0.0.2
>>>>> No backup designated router on this network
>>>>> Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
>>>>> oob-resync timeout 120
>>>>> Hello due in 00:00:00
>>>>> Index 1/1, flood queue length 0
>>>>> Next 0x0(0)/0x0(0)
>>>>> Last flood scan length is 0, maximum is 1
>>>>> Last flood scan time is 0 msec, maximum is 0 msec
>>>>> Neighbor Count is 0, Adjacent neighbor count is 0
>>>>> Suppress hello for 0 neighbor(s)
>>>>>
>>>>> Would I be correct in assuming there is now way to form and ospf
>>>>> relationship if i dont manipulate the ospf network/interface type ?
>>>>>
>>>>> The interface/network type over rules the map statment, correct ?
>>>>>
>>>>>
>>>>>
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>>>>>
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