配置PIM auto-rp
环境：三台路由器串口相连，其它的配置如图所示
要求：1. R1,R2,R3配置ospf 并把所有接口加入到area 0
2.配置R1为rp，配置R2为映射代理，把R3加入239.3.3.3组
3.练习本课所有show命令

 

步骤一：在每个路由器上配置1个loopback 口，并 配置三台路由器接口使其连通。
R1的配置
R1(config)# interface Loopback0
R1(config-if)# ip address 30.1.1.1 255.255.255.0
R1(config)# interface Serial0
R1(config-if)# ip address 10.1.1.1 255.255.255.0
R1(config-if)# clockrate 64000
R1(config-if)#no shutdown
R2的配置
R2(config)#interface Loopback0
R2(config-if)# ip address 40.1.1.1 255.255.255.0
R2(config)#interface Serial0
R2(config-if)# ip address 20.1.1.1 255.255.255.0
R2(config-if)#clockrate 64000
R2(config-if)#no shutdown
R2(config)#interface Serial1
R2(config-if)# ip address 10.1.1.2 255.255.255.0
R2(config-if)#no shutdown
R3的配置
R3(config)#interface Loopback0
R3(config-if)# ip address 50.1.1.1 255.255.255.0
R3(config)#interface Serial1
R3(config-if)# ip address 20.1.1.2 255.255.255.0
R3(config-if)#no shutdown

步骤二：配置ospf路由协议，使其连通
R1的配置
R1(config)#router ospf 1
R1(config-router)# network 10.1.1.0 0.0.0.255 area 0
R1(config-router)# network 30.1.1.0 0.0.0.255 area 0
R2的配置
R2(config)#router ospf 1
R2(config-router)#network 10.1.1.0 0.0.0.255 area 0
R2(config-router)# network 20.1.1.0 0.0.0.255 area 0
R2(config-router)# network 40.1.1.0 0.0.0.255 area 0
R3的配置
R3(config)#router ospf 1
R3(config-router)# network 20.1.1.0 0.0.0.255 area 0
R3(config-router)# network 50.1.1.0 0.0.0.255 area 0

步骤三：配置R1为rp，配置R2为映射代理，把R3加入239.3.3.3组
R1的配置
R1(config)#ip multicast-routing  à启用多播协议
R1(config)# interface Loopback0
R1(config-if)# ip pim sparse-mode  à接口PIM模式为稀疏
R1(config)# interface Serial0
R1(config-if)# ip pim sparse-mode
R1(config)# ip pim send-rp-announce Loopback0 scope 5 à指定R1为RP
R2的配置
R2(config)#ip multicast-routing
R2(config)# interface Loopback0
R2(config-if)# ip pim sparse-mode
R2(config)# interface Serial0
R2(config-if)# ip pim sparse-mode
R2(config)# interface Serial1
R2(config-if)# ip pim sparse-mode
R2(config)# ip pim send-rp-discovery Loopback0 scope 5  à将R2指定为映射代理
R3的配置
R3(config)#ip multicast-routing
R3(config)# interface Loopback0
R3(config-if)# ip pim sparse-mode
R3(config-if)# ip igmp join-group 239.3.3.3 à将此接口加入到组239.3.3.3
R3(config)# interface Serial1
R3(config-if)# ip pim sparse-mode 

步骤四：查看组播路由表
R1#sh ip mroute 239.3.3.3 
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,
       L - Local, P - Pruned, R - RP-bit set, F - Register flag,
       T - SPT-bit set, J - Join SPT, M - MSDP created entry,
       X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,
       U - URD, I - Received Source Specific Host Report, Z - Multicast Tunnel
       Y - Joined MDT-data group, y - Sending to MDT-data group
Outgoing interface flags: H - Hardware switched
 Timers: Uptime/Expires
 Interface state: Interface, Next-Hop or VCD, State/Mode
(*, 239.3.3.3), 00:37:56/stopped, RP 30.1.1.1, flags: S
  Incoming interface: Null, RPF nbr 0.0.0.0
  Outgoing interface list:
    Serial0, Forward/Sparse, 00:37:56/00:03:07
(10.1.1.1, 239.3.3.3), 00:00:04/00:02:56, flags: P  à学来对端的基于源的多播路由
  Incoming interface: Serial0, RPF nbr 0.0.0.0
  Outgoing interface list: Null
(30.1.1.1, 239.3.3.3), 00:00:04/00:03:28, flags: T
  Incoming interface: Loopback0, RPF nbr 0.0.0.0
  Outgoing interface list:
    Serial0, Forward/Sparse, 00:00:05/00:03:24
(50.1.1.1, 239.3.3.3), 00:00:12/00:03:17, flags: PX
  Incoming interface: Serial0, RPF nbr 10.1.1.2
  Outgoing interface list: Null
R2#sh ip mroute 239.3.3.3
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,
       L - Local, P - Pruned, R - RP-bit set, F - Register flag,
       T - SPT-bit set, J - Join SPT, M - MSDP created entry,
       X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,
       U - URD, I - Received Source Specific Host Report, Z - Multicast Tunnel
       Y - Joined MDT-data group, y - Sending to MDT-data group
Outgoing interface flags: H - Hardware switched
 Timers: Uptime/Expires
 Interface state: Interface, Next-Hop or VCD, State/Mode
(*, 239.3.3.3), 00:43:06/stopped, RP 30.1.1.1, flags: SF
  Incoming interface: Serial1, RPF nbr 10.1.1.1
  Outgoing interface list:
    Serial0, Forward/Sparse, 00:42:48/00:03:02
(20.1.1.1, 239.3.3.3), 00:00:22/00:03:07, flags: T
  Incoming interface: Serial0, RPF nbr 0.0.0.0, Registering
  Outgoing interface list:
    Serial1, Forward/Sparse, 00:00:22/00:03:07
(40.1.1.1, 239.3.3.3), 00:00:23/00:03:08, flags: FT
  Incoming interface: Loopback0, RPF nbr 0.0.0.0, Registering
  Outgoing interface list:
    Serial0, Forward/Sparse, 00:00:24/00:03:06
(50.1.1.1, 239.3.3.3), 00:01:39/00:01:53, flags:
  Incoming interface: Serial0, RPF nbr 20.1.1.2
  Outgoing interface list:
Serial1, Forward/Sparse, 00:01:39/00:01:53
R3#sh ip mroute 239.3.3.3
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,
       L - Local, P - Pruned, R - RP-bit set, F - Register flag,
       T - SPT-bit set, J - Join SPT, M - MSDP created entry,
       X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,
       U - URD, I - Received Source Specific Host Report, Z - Multicast Tunnel
       Y - Joined MDT-data group, y - Sending to MDT-data group
Outgoing interface flags: H - Hardware switched
 Timers: Uptime/Expires
 Interface state: Interface, Next-Hop or VCD, State/Mode
(*, 239.3.3.3), 00:46:06/stopped, RP 30.1.1.1, flags: SJCLF
  Incoming interface: Serial1, RPF nbr 20.1.1.1
  Outgoing interface list:
    Loopback0, Forward/Sparse, 00:46:06/00:02:27
(50.1.1.1, 239.3.3.3), 00:03:54/00:03:06, flags: LFT
  Incoming interface: Loopback0, RPF nbr 0.0.0.0, Registering
  Outgoing interface list:
    Serial1, Forward/Sparse, 00:00:32/00:02:58

步骤五：查看接口组播信息
R1#sh ip pim int s0
Address          Interface                Ver/   Nbr    Query  DR     DR
                                          Mode   Count  Intvl  Prior
10.1.1.1         Serial0                  v2/S   1      30     1      0.0.0.0
R1#sh ip pim int lo 0
Address          Interface                Ver/   Nbr    Query  DR     DR
                                          Mode   Count  Intvl  Prior
30.1.1.1         Loopback0                v2/S   0      30     1      30.1.1.1
R2#sh ip pim int s0
Address          Interface                Ver/   Nbr    Query  DR     DR
                                          Mode   Count  Intvl  Prior
20.1.1.1         Serial0                  v2/S   1      30     1      0.0.0.0
R2#sh ip pim int s1
Address          Interface                Ver/   Nbr    Query  DR     DR
                                          Mode   Count  Intvl  Prior
10.1.1.2         Serial1                  v2/S   1      30     1      0.0.0.0
R2#sh ip pim int lo 0
Address          Interface                Ver/   Nbr    Query  DR     DR
                                          Mode   Count  Intvl  Prior
40.1.1.1         Loopback0                v2/S   0      30     1      40.1.1.1
R3#sh ip pim int s1
Address          Interface                Ver/   Nbr    Query  DR     DR
                                          Mode   Count  Intvl  Prior
20.1.1.2         Serial1                  v2/S   1      30     1      0.0.0.0

R3#sh ip pim int lo 0
Address          Interface                Ver/   Nbr    Query  DR     DR
                                          Mode   Count  Intvl  Prior
50.1.1.1         Loopback0                v2/S   0      30     1      50.1.1.1

步骤六：查看组播邻居
R1#sh ip pim neighbor
PIM Neighbor Table
Neighbor          Interface                Uptime/Expires    Ver   DR
Address                                                            Prio/Mode
10.1.1.2          Serial0                  01:59:55/00:01:38 v2    1 / S
R2#sh ip pim nei
PIM Neighbor Table
Neighbor          Interface                Uptime/Expires    Ver   DR
Address                                                            Prio/Mode
20.1.1.2          Serial0                  02:00:36/00:01:17 v2    1 / S
10.1.1.1          Serial1                  02:03:04/00:01:21 v2    1 / S
R3#sh ip pim neighbor
PIM Neighbor Table
Neighbor          Interface                Uptime/Expires    Ver   DR
Address                                                            Prio/Mode
20.1.1.1          Serial1                  02:03:21/00:01:35 v2    1 / S

步骤七：查看rp映射表
R1#sh ip pim rp mapping
PIM Group-to-RP Mappings
This system is an RP (Auto-RP)
Group(s) 224.0.0.0/4
  RP 30.1.1.1 (?), v2v1
    Info source: 40.1.1.1 (?), elected via Auto-RP
         Uptime: 00:43:36, expires: 00:02:59
R2#sh ip pim rp mapping
PIM Group-to-RP Mappings
This system is an RP-mapping agent (Loopback0)
Group(s) 224.0.0.0/4
  RP 30.1.1.1 (?), v2v1
    Info source: 30.1.1.1 (?), elected via Auto-RP
         Uptime: 00:48:13, expires: 00:02:44
R3#sh ip pim rp mapping
PIM Group-to-RP Mappings
Group(s) 224.0.0.0/4
  RP 30.1.1.1 (?), v2v1
    Info source: 40.1.1.1 (?), elected via Auto-RP
         Uptime: 00:50:26, expires: 00:02:03

步骤八： ping 组播地址测试
R1#ping 239.3.3.3
Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 239.3.3.3, timeout is 2 seconds:
Reply to request 0 from 20.1.1.2, 80 ms  à此显示为已通
Reply to request 0 from 20.1.1.2, 112 ms
R2#ping 239.3.3.3
Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 239.3.3.3, timeout is 2 seconds:
Reply to request 0 from 20.1.1.2, 56 ms
Reply to request 0 from 20.1.1.2, 136 ms
Reply to request 0 from 20.1.1.2, 80 ms
R3#ping 239.3.3.3
Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 239.3.3.3, timeout is 2 seconds:
Reply to request 0 from 50.1.1.1, 8 ms

步骤九：查看当前配置结果
R1#sh run
hostname R1
!
ip multicast-routing
!
interface Loopback0
 ip address 30.1.1.1 255.255.255.0
 ip pim sparse-mode
!
interface Serial0
 ip address 10.1.1.1 255.255.255.0
 ip pim sparse-mode
 clockrate 64000
!
router ospf 1
network 10.1.1.0 0.0.0.255 area 0
 network 30.1.1.0 0.0.0.255 area 0
!
ip pim send-rp-announce Loopback0 scope 5
end
R2#sh run
hostname R2
!
ip multicast-routing
!
interface Loopback0
 ip address 40.1.1.1 255.255.255.0
 ip pim sparse-mode
!
interface Serial0
 ip address 20.1.1.1 255.255.255.0
 ip pim sparse-mode
 clockrate 64000
!
interface Serial1
 ip address 10.1.1.2 255.255.255.0
 ip pim sparse-mode
!
router ospf 1
 network 10.1.1.0 0.0.0.255 area 0
 network 20.1.1.0 0.0.0.255 area 0
 network 40.1.1.0 0.0.0.255 area 0
!
ip pim send-rp-discovery Loopback0 scope 5
!
end

R3#sh run
hostname R3
!
ip multicast-routing
!
interface Loopback0
 ip address 50.1.1.1 255.255.255.0
 ip pim sparse-mode
 ip igmp join-group 239.3.3.3
!
interface Serial1
 ip address 20.1.1.2 255.255.255.0
 ip pim sparse-mode
!
router ospf 1
 network 20.1.1.0 0.0.0.255 area 0
 network 50.1.1.0 0.0.0.255 area 0
!
end

转载于:https://blog.51cto.com/cooldong/106569

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