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OSPF P2MP 扩展知识

时间:2016-07-03 23:36:40      阅读:404      评论:0      收藏:0      [点我收藏+]

标签:ospf p2mp

在帧中继二层网络中,如果要使用p2mp采用网络类型为broadcast,需要注意:一、HUB点必须为DR,二、需要在R2与R3之间再建立一条PVC,以此来使R2,R3彼此之间来学习到正确的下一跳,否则如R2学习到33.1.1.1的下一跳是10.1.123.3,造成ping不通。(由于DLCI只有2个号,因此借用之前的两个DLCI号)

yeslab实验,我怎么觉得这个实验没多大意义,但是留作学习使用

技术分享


R1:

<Huawei>dis current-configuration conf ospf

[V200R003C00]

#

ospf 1 

 area 0.0.0.0 

  network 10.1.123.0 0.0.0.255 

  network 11.1.1.1 0.0.0.0 

#

return

<Huawei>dis cu int s 1/0/0

[V200R003C00]

#

interface Serial1/0/0

 link-protocol fr

 fr map ip 10.1.123.2 102 broadcast

 fr map ip 10.1.123.3 103 broadcast

 ip address 10.1.123.1 255.255.255.0 

 ospf network-type broadcast

#

return

<Huawei>dis ospf int s1/0/0


OSPF Process 1 with Router ID 11.1.1.1

Interfaces 



 Interface: 10.1.123.1 (Serial1/0/0)

 Cost: 48      State: DR        Type: Broadcast    MTU: 1500  

 Priority: 1

 Designated Router: 10.1.123.1

 Backup Designated Router: 10.1.123.3

 Timers: Hello 10 , Dead 40 , Poll  120 , Retransmit 5 , Transmit Delay 1 

<Huawei>dis ospf pe

<Huawei>dis ospf peer 


OSPF Process 1 with Router ID 11.1.1.1

Neighbors 


 Area 0.0.0.0 interface 10.1.123.1(Serial1/0/0)‘s neighbors

 Router ID: 22.1.1.1         Address: 10.1.123.2      

   State: Full  Mode:Nbr is  Master  Priority: 1

   DR: 10.1.123.1  BDR: 10.1.123.2  MTU: 0    

   Dead timer due in 40  sec 

   Retrans timer interval: 5 

   Neighbor is up for 00:18:17     

   Authentication Sequence: [ 0 ] 


 Router ID: 33.1.1.1         Address: 10.1.123.3      

   State: Full  Mode:Nbr is  Master  Priority: 1

   DR: 10.1.123.1  BDR: 10.1.123.3  MTU: 0    

   Dead timer due in 33  sec 

   Retrans timer interval: 5 

   Neighbor is up for 00:19:08     

   Authentication Sequence: [ 0 ] 


<Huawei>dis ospf bri


OSPF Process 1 with Router ID 11.1.1.1

OSPF Protocol Information


 RouterID: 11.1.1.1         Border Router: 

 Multi-VPN-Instance is not enabled

 Global DS-TE Mode: Non-Standard IETF Mode

 Graceful-restart capability: disabled

 Helper support capability  : not configured

 Applications Supported: MPLS Traffic-Engineering 

 Spf-schedule-interval: max 10000ms, start 500ms, hold 1000ms

 Default ASE parameters: Metric: 1 Tag: 1 Type: 2

 Route Preference: 10 

 ASE Route Preference: 150 

 SPF Computation Count: 89    

 RFC 1583 Compatible

 Retransmission limitation is disabled

 Area Count: 1   Nssa Area Count: 0 

 ExChange/Loading Neighbors: 0

 Process total up interface count: 2

 Process valid up interface count: 1

 

 Area: 0.0.0.0          (MPLS TE not enabled)

 Authtype: None   Area flag: Normal

 SPF scheduled Count: 89    

 ExChange/Loading Neighbors: 0

 Router ID conflict state: Normal

 Area interface up count: 2


 Interface: 11.1.1.1 (LoopBack0)

 Cost: 0       State: P-2-P     Type: P2P       MTU: 1500  

 Timers: Hello 10 , Dead 40 , Poll  120 , Retransmit 5 , Transmit Delay 1 


 Interface: 10.1.123.1 (Serial1/0/0)

 Cost: 48      State: DR        Type: Broadcast    MTU: 1500  

 Priority: 1

 Designated Router: 10.1.123.1

 Backup Designated Router: 10.1.123.3

 Timers: Hello 10 , Dead 40 , Poll  120 , Retransmit 5 , Transmit Delay 1 

<Huawei>dis ip rou

<Huawei>dis ip routing-table pr

<Huawei>dis ip routing-table protocol ospf

Route Flags: R - relay, D - download to fib

------------------------------------------------------------------------------

Public routing table : OSPF

         Destinations : 2        Routes : 2        


OSPF routing table status : <Active>

         Destinations : 2        Routes : 2


Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface


       22.1.1.1/32  OSPF    10   48          D   10.1.123.2      Serial1/0/0

       33.1.1.1/32  OSPF    10   48          D   10.1.123.3      Serial1/0/0


OSPF routing table status : <Inactive>

         Destinations : 0        Routes : 0


<Huawei>dis ip routing-table 

Route Flags: R - relay, D - download to fib

------------------------------------------------------------------------------

Routing Tables: Public

         Destinations : 12       Routes : 12       


Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface


     10.1.123.0/24  Direct  0    0           D   10.1.123.1      Serial1/0/0

     10.1.123.1/32  Direct  0    0           D   127.0.0.1       Serial1/0/0

     10.1.123.2/32  Direct  0    0           D   10.1.123.2      Serial1/0/0

     10.1.123.3/32  Direct  0    0           D   10.1.123.3      Serial1/0/0

   10.1.123.255/32  Direct  0    0           D   127.0.0.1       Serial1/0/0

       11.1.1.1/32  Direct  0    0           D   127.0.0.1       LoopBack0

       22.1.1.1/32  OSPF    10   48          D   10.1.123.2      Serial1/0/0

       33.1.1.1/32  OSPF    10   48          D   10.1.123.3      Serial1/0/0

      127.0.0.0/8   Direct  0    0           D   127.0.0.1       InLoopBack0

      127.0.0.1/32  Direct  0    0           D   127.0.0.1       InLoopBack0

127.255.255.255/32  Direct  0    0           D   127.0.0.1       InLoopBack0

255.255.255.255/32  Direct  0    0           D   127.0.0.1       InLoopBack0


<Huawei>dis os

<Huawei>dis ospf pe

<Huawei>dis ospf peer bri


OSPF Process 1 with Router ID 11.1.1.1

 Peer Statistic Information

 ----------------------------------------------------------------------------

 Area Id          Interface                        Neighbor id      State    

 0.0.0.0          Serial1/0/0                      22.1.1.1         Full        

 0.0.0.0          Serial1/0/0                      33.1.1.1         Full        


 ----------------------------------------------------------------------------

<Huawei>

-------------------------

R2:

<Huawei>dis cu conf ospf

[V200R003C00]

#

ospf 1 

 area 0.0.0.0 

  network 10.1.123.0 0.0.0.255 

  network 22.1.1.1 0.0.0.0 

#

return

<Huawei>dis cu inter s 1/0/0

[V200R003C00]

#

interface Serial1/0/0

 link-protocol fr

 fr map ip 10.1.123.1 201 broadcast

 fr map ip 10.1.123.3 201 (R2到R3需要建立一条pvc,借用到R1的dlci号,如果不做这条R2与R3学习到彼此的路由下一跳均是对端地址,而非R1地址,造成路由不可达)

 ip address 10.1.123.2 255.255.255.0 

 ospf network-type broadcast

#

return

<Huawei>dis ospf inter s1/0/0


OSPF Process 1 with Router ID 22.1.1.1

Interfaces 



 Interface: 10.1.123.2 (Serial1/0/0)

 Cost: 48      State: BDR       Type: Broadcast    MTU: 1500  

 Priority: 1

 Designated Router: 10.1.123.1

 Backup Designated Router: 10.1.123.2

 Timers: Hello 10 , Dead 40 , Poll  120 , Retransmit 5 , Transmit Delay 1 

<Huawei>

<Huawei>dis ospf peer bri


OSPF Process 1 with Router ID 22.1.1.1

 Peer Statistic Information

 ----------------------------------------------------------------------------

 Area Id          Interface                        Neighbor id      State    

 0.0.0.0          Serial1/0/0                      11.1.1.1         Full        


 ----------------------------------------------------------------------------

<Huawei>dis ospf br

<Huawei>dis ospf brief 


OSPF Process 1 with Router ID 22.1.1.1

OSPF Protocol Information


 RouterID: 22.1.1.1         Border Router: 

 Multi-VPN-Instance is not enabled

 Global DS-TE Mode: Non-Standard IETF Mode

 Graceful-restart capability: disabled

 Helper support capability  : not configured

 Applications Supported: MPLS Traffic-Engineering 

 Spf-schedule-interval: max 10000ms, start 500ms, hold 1000ms

 Default ASE parameters: Metric: 1 Tag: 1 Type: 2

 Route Preference: 10 

 ASE Route Preference: 150 

 SPF Computation Count: 96    

 RFC 1583 Compatible

 Retransmission limitation is disabled

 Area Count: 1   Nssa Area Count: 0 

 ExChange/Loading Neighbors: 0

 Process total up interface count: 2

 Process valid up interface count: 1

 

 Area: 0.0.0.0          (MPLS TE not enabled)

 Authtype: None   Area flag: Normal

 SPF scheduled Count: 96    

 ExChange/Loading Neighbors: 0

 Router ID conflict state: Normal

 Area interface up count: 2


 Interface: 22.1.1.1 (LoopBack0)

 Cost: 0       State: P-2-P     Type: P2P       MTU: 1500  

 Timers: Hello 10 , Dead 40 , Poll  120 , Retransmit 5 , Transmit Delay 1 


 Interface: 10.1.123.2 (Serial1/0/0)

 Cost: 48      State: BDR       Type: Broadcast    MTU: 1500  

 Priority: 1

 Designated Router: 10.1.123.1

 Backup Designated Router: 10.1.123.2

 Timers: Hello 10 , Dead 40 , Poll  120 , Retransmit 5 , Transmit Delay 1 

<Huawei>

<Huawei>dis ip rou

<Huawei>dis ip routing-table 

Route Flags: R - relay, D - download to fib

------------------------------------------------------------------------------

Routing Tables: Public

         Destinations : 12       Routes : 12       


Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface


     10.1.123.0/24  Direct  0    0           D   10.1.123.2      Serial1/0/0

     10.1.123.1/32  Direct  0    0           D   10.1.123.1      Serial1/0/0

     10.1.123.2/32  Direct  0    0           D   127.0.0.1       Serial1/0/0

     10.1.123.3/32  Direct  0    0           D   10.1.123.3      Serial1/0/0

   10.1.123.255/32  Direct  0    0           D   127.0.0.1       Serial1/0/0

       11.1.1.1/32  OSPF    10   48          D   10.1.123.1      Serial1/0/0

       22.1.1.1/32  Direct  0    0           D   127.0.0.1       LoopBack0

       33.1.1.1/32  OSPF    10   48          D   10.1.123.3      Serial1/0/0

      127.0.0.0/8   Direct  0    0           D   127.0.0.1       InLoopBack0

      127.0.0.1/32  Direct  0    0           D   127.0.0.1       InLoopBack0

127.255.255.255/32  Direct  0    0           D   127.0.0.1       InLoopBack0

255.255.255.255/32  Direct  0    0           D   127.0.0.1       InLoopBack0


<Huawei>dis ip rou

<Huawei>dis ip routing-table pr ospf

Route Flags: R - relay, D - download to fib

------------------------------------------------------------------------------

Public routing table : OSPF

         Destinations : 2        Routes : 2        


OSPF routing table status : <Active>

         Destinations : 2        Routes : 2


Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface


       11.1.1.1/32  OSPF    10   48          D   10.1.123.1      Serial1/0/0

       33.1.1.1/32  OSPF    10   48          D   10.1.123.3      Serial1/0/0


OSPF routing table status : <Inactive>

         Destinations : 0        Routes : 0

---------------------------------------

R3:

[Huawei]dis cu conf ospf

[V200R003C00]

#

ospf 1 

 area 0.0.0.0 

  network 10.1.123.0 0.0.0.255 

  network 33.1.1.1 0.0.0.0 

#

return

[Huawei]dis cu inter s 1/0/0

[V200R003C00]

#

interface Serial1/0/0

 link-protocol fr

 fr map ip 10.1.123.1 301 broadcast

 fr map ip 10.1.123.2 301

 ip address 10.1.123.3 255.255.255.0 

 ospf network-type broadcast

#

return

[Huawei]>dis ospf inter s1/0/0

        ^

Error: Unrecognized command found at ‘^‘ position.

[Huawei]dis ospf inter s1/0/0


OSPF Process 1 with Router ID 33.1.1.1

Interfaces 



 Interface: 10.1.123.3 (Serial1/0/0)

 Cost: 48      State: BDR       Type: Broadcast    MTU: 1500  

 Priority: 1

 Designated Router: 10.1.123.1

 Backup Designated Router: 10.1.123.3

 Timers: Hello 10 , Dead 40 , Poll  120 , Retransmit 5 , Transmit Delay 1 

[Huawei]dis ospf peer bri


OSPF Process 1 with Router ID 33.1.1.1

 Peer Statistic Information

 ----------------------------------------------------------------------------

 Area Id          Interface                        Neighbor id      State    

 0.0.0.0          Serial1/0/0                      11.1.1.1         Full        

 ----------------------------------------------------------------------------

[Huawei] dis ospf brief


OSPF Process 1 with Router ID 33.1.1.1

OSPF Protocol Information


 RouterID: 33.1.1.1         Border Router: 

 Multi-VPN-Instance is not enabled

 Global DS-TE Mode: Non-Standard IETF Mode

 Graceful-restart capability: disabled

 Helper support capability  : not configured

 Applications Supported: MPLS Traffic-Engineering 

 Spf-schedule-interval: max 10000ms, start 500ms, hold 1000ms

 Default ASE parameters: Metric: 1 Tag: 1 Type: 2

 Route Preference: 10 

 ASE Route Preference: 150 

 SPF Computation Count: 89    

 RFC 1583 Compatible

 Retransmission limitation is disabled

 Area Count: 1   Nssa Area Count: 0 

 ExChange/Loading Neighbors: 0

 Process total up interface count: 2

 Process valid up interface count: 1

 

 Area: 0.0.0.0          (MPLS TE not enabled)

 Authtype: None   Area flag: Normal

 SPF scheduled Count: 89    

 ExChange/Loading Neighbors: 0

 Router ID conflict state: Normal

 Area interface up count: 2


 Interface: 33.1.1.1 (LoopBack0)

 Cost: 0       State: P-2-P     Type: P2P       MTU: 1500  

 Timers: Hello 10 , Dead 40 , Poll  120 , Retransmit 5 , Transmit Delay 1 


 Interface: 10.1.123.3 (Serial1/0/0)

 Cost: 48      State: BDR       Type: Broadcast    MTU: 1500  

 Priority: 1

 Designated Router: 10.1.123.1

 Backup Designated Router: 10.1.123.3

 Timers: Hello 10 , Dead 40 , Poll  120 , Retransmit 5 , Transmit Delay 1 

[Huawei]dis ip routing-table

Route Flags: R - relay, D - download to fib

------------------------------------------------------------------------------

Routing Tables: Public

         Destinations : 12       Routes : 12       


Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface


     10.1.123.0/24  Direct  0    0           D   10.1.123.3      Serial1/0/0

     10.1.123.1/32  Direct  0    0           D   10.1.123.1      Serial1/0/0

     10.1.123.2/32  Direct  0    0           D   10.1.123.2      Serial1/0/0

     10.1.123.3/32  Direct  0    0           D   127.0.0.1       Serial1/0/0

   10.1.123.255/32  Direct  0    0           D   127.0.0.1       Serial1/0/0

       11.1.1.1/32  OSPF    10   48          D   10.1.123.1      Serial1/0/0

       22.1.1.1/32  OSPF    10   48          D   10.1.123.2      Serial1/0/0

       33.1.1.1/32  Direct  0    0           D   127.0.0.1       LoopBack0

      127.0.0.0/8   Direct  0    0           D   127.0.0.1       InLoopBack0

      127.0.0.1/32  Direct  0    0           D   127.0.0.1       InLoopBack0

127.255.255.255/32  Direct  0    0           D   127.0.0.1       InLoopBack0

255.255.255.255/32  Direct  0    0           D   127.0.0.1       InLoopBack0


[Huawei]dis ip routing-table pr ospf

Route Flags: R - relay, D - download to fib

------------------------------------------------------------------------------

Public routing table : OSPF

         Destinations : 2        Routes : 2        


OSPF routing table status : <Active>

         Destinations : 2        Routes : 2


Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface


       11.1.1.1/32  OSPF    10   48          D   10.1.123.1      Serial1/0/0

       22.1.1.1/32  OSPF    10   48          D   10.1.123.2      Serial1/0/0


OSPF routing table status : <Inactive>

         Destinations : 0        Routes : 0


本文出自 “五片棱角” 博客,请务必保留此出处http://hi289.blog.51cto.com/4513812/1795408

OSPF P2MP 扩展知识

标签:ospf p2mp

原文地址:http://hi289.blog.51cto.com/4513812/1795408

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