帧中继多点子接口配置

news2024/12/30 1:36:20

帧中继多点子接口配置

拓扑图：

设备参数：

设备	接口	DLCI	设备	接口	DLCI
R1	S0/0/0	102	R2	S0/0/0	201
R1	S0/0/0	103	R3	S0/0/0	301

IP参数：

设备	接口	IP地址	子网掩码	默认网关
R1	S0/0/0.1	192.168.123.1	255.255.255.0	N/A
R2	S0/0/0.1	192.168.123.2	255.255.255.0	N/A
R3	S0/0/0。1	192.168.123.2	255.255.255.0	N/A

实验过程:

FRSwitch配置：

R1步骤：

Router>enable

Router#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#hostname R1

R1(config)#interface s0/0/0

R1(config-if)#no ip address

R1(config-if)#encapsulation frame-relay

R1(config-if)#no frame-relay inverse-arp

R1(config-if)#no shutdown

R1(config-if)#

%LINK-5-CHANGED: Interface Serial0/0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0, changed state to up

R1(config-if)#interface s0/0/0.1 mu

R1(config-if)#interface s0/0/0.1 multipoint

R1(config-subif)#

%LINK-5-CHANGED: Interface Serial0/0/0.1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0.1, changed state to up

R1(config-subif)#ip address 192.168.123.1 255.255.255.0

R1(config-subif)#frame-relay map ip 192.168.123.2 102 broadcast

R1(config-subif)#frame-relay map ip 192.168.123.3 103 broadcast

R1(config-subif)#frame-relay map ip 192.168.123.1 102

R1(config-subif)#no frame-relay inverse-arp

R1(config-subif)#end

R1#

%SYS-5-CONFIG_I: Configured from console by console

R1#show frame-relay map

Serial0/0/0.1 (up): ip 192.168.123.2 dlci 102, static,

broadcast,

CISCO, status defined, active

Serial0/0/0.1 (up): ip 192.168.123.3 dlci 103, static,

broadcast,

CISCO, status defined, active

Serial0/0/0.1 (up): ip 192.168.123.1 dlci 102, static,

CISCO, status defined, active

R1#ping 192.168.123.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.123.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 33/44/53 ms

R1#ping 192.168.123.2

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.123.2, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 13/22/26 ms

R1#ping 192.168.123.3

R2步骤：

Router>enable

Router#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#hostname R2

R2(config)#interface s0/0/0

R2(config-if)#no ip address

R2(config-if)#encapsulation frame-relay

R2(config-if)#no frame-relay inverse-arp

R2(config-if)#no shutdown

R2(config-if)#

%LINK-5-CHANGED: Interface Serial0/0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0, changed state to up

R2(config-if)#interface s0/0/0.1 multipoint

R2(config-subif)#

%LINK-5-CHANGED: Interface Serial0/0/0.1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0.1, changed state to up

R2(config-subif)#ip address 192.168.123.2 255.255.255.0

R2(config-subif)#frame-relay map ip 192.168.123.1 201 broadcast

R2(config-subif)#frame-relay map ip 192.168.123.3 201 broadcast

R2(config-subif)#frame-relay map ip 192.168.123.2 201

interface-dlci Define a DLCI on an interface/subinterface

map Map a protocol address to a DLCI address

R2(config-subif)#no frame-relay inverse-arp

R2(config-subif)#end

R2#

%SYS-5-CONFIG_I: Configured from console by console

R2#show frame-relay map

Serial0/0/0.1 (up): ip 192.168.123.1 dlci 201, static,

broadcast,

CISCO, status defined, active

Serial0/0/0.1 (up): ip 192.168.123.3 dlci 201, static,

broadcast,

CISCO, status defined, active

Serial0/0/0.1 (up): ip 192.168.123.2 dlci 201, static,

CISCO, status defined, active

R2#ping 192.168.123.2

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.123.2, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 33/39/47 ms

R2#ping 192.168.123.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.123.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 15/21/28 ms

R2#ping 192.168.123.3

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.123.3, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 34/42/57 ms

R3配置：

Router>enable

Router#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#hostname R3

R3(config)#interface s0/0/0

R3(config-if)#no ip address

R3(config-if)#encapsulation frame-relay

R3(config-if)#no sh

R3(config-if)#no frame-relay inverse-arp

R3(config-if)#no shutdown

R3(config-if)#interface s0/0/0.1 multipoint

R3(config-subif)#ip address 192.168.123.3 255.255.255.0

R3(config-subif)#frame-relay map ip 192.168.123.1 301 broadcast

R3(config-subif)#frame-relay map ip 192.168.123.2 301 broadcast

R3(config-subif)#frame-relay map ip 192.168.123.3 301

R3(config-subif)#no frame-relay inverse-arp

% Invalid input detected at '^' marker.

R3(config-subif)#end