OSPF P2MP 扩展知识

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

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

时间： 2024-12-24 15:23:29

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