CiscoRouter之间CallBack典型配置网络知识((精选8篇))由网友“我想变作石头”投稿提供,以下是小编为大家汇总后的CiscoRouter之间CallBack典型配置网络知识,欢迎参阅,希望可以帮助到有需要的朋友。
篇1:CiscoRouter之间CallBack典型配置网络知识
CallBack Server------------------------------------- version 11.3 service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname server ! enable password cisco ! username client password 0 cisco cha
CallBack Server-------------------------------------
version 11.3
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname server
!
enable password cisco
!
username client password 0 cisco
chat-script. cb “” “ATDTT” TIMEOUT 60 CONNECT
!
!
interface Ethe.net0
ip address 192.168.1.201 255.255.255.0
no keepalive
!
interface Serial0
no ip address
shutdown
!
interface Serial1
no ip address
shutdown
!
interface Async8
ip address 10.1.1.2 255.255.255.0
encapsulation ppp
dialer in-band
dialer map ip 10.1.1.1 name client class cb 228
dialer-group 1
async mode dedicated
no peer default ip address
no cdp enable
ppp callback aclearcase/“ target=”_blank“ >ccept
ppp authentication chap
!
!
no ip classless
ip route 160.4.1.0 255.255.255.0 10.1.1.1
!
!
map-class dialer cb
dialer callback-server username
dialer-list 1 protocol ip permit
!
line con 0
line 1 8
script. dialer cb
login local
modem InOut
transport input all
flowcontrol hardware
line aux 0
line vty 0 4
password cisco
login
!
end
CallBack Client--------------------------------------
version 11.2
no service udp-small-servers
no service tcp-small-servers
!
hostname client
!
enable secret 5 $1$agg8$blP5tNZMOq0xYXvsO/hGG0
enable password admin
!
username server password 0 cisco
chat-script. cb ”“ ”ATDTT“ TIMEOUT 60 CONNECT
!
interface Ethernet0
ip address 160.4.1.98 255.255.255.224
no keepalive
!
interface Serial0
no ip address
shutdown
!
interface Serial1
no ip address
shutdown
!
interface Async1
ip address 10.1.1.1 255.255.255.0
encapsulation ppp
async mode dedicated
dialer in-band
dialer map ip 10.1.1.2 name server 391
dialer-group 1
no cdp enable
ppp callback request
ppp authentication chap
!
no ip classless
ip route 192.168.1.0 255.255.255.0 10.1.1.2
!
dialer-list 1 protocol ip permit
!
line con 0
line aux 0
script. dialer cb
login local
modem InOut
transport input all
flowcontrol hardware
line vty 0 4
password cisco
login
!
end
原文转自:www.ltesting.net
篇2:CiscoRouter的若干常见问题网络知识
1. 如果要在路由器上实现NAT,对IOS有何要求? 需要IP PLUS IOS 2. 在2511上执行erase flash时为什么会收到如下信息: Error while erasing flash: device is READ-ONLY 因为此时2511是从Flash启动的,可用以下命令改变启动方式: conf t config-register 0x
1. 如果要在路由器上实现NAT,对IOS有何要求?
需要IP PLUS IOS
2. 在2511上执行erase flash时为什么会收到如下信息:
Error while erasing flash: device is READ-ONLY
因为此时2511是从Flash启动的,可用以下命令改变启动方式:
conf t
config-register 0x101
Router# reload
Router(boot)#copy tftp flash.
在BOOT模式下你可以删除或升级Flash中的内容,
另外要注意在升级Flash之后将启动方式改回Flash.
Router(boot)#conf t
Router(boot)(Config)# config-reg 0x102
Router(boot)(Config)#^Z
Router(boot)#reload
3.Cisco3600系列路由器目前是否支持广域网接口卡WIC-2T和WIC-2A/S?
Cisco3600系列路由器在12.007XK及以上版本支持WIC-2T和WIC-2A/S这两种广域网接口卡。
但是需要注意的是:
只有快速以太网混合网络模块能够支持这两种广域网接口卡。
支持这两种接口卡的网络模块如下所示:
NM-1FE2W, NM-2FE2W, NM-1FE1R2W, NM-2W,
而以太网混合网络模块不支持,如下所示:
NM-1E2W,NM-2E2W, NM1E1R2W。
4.Cisco3600系列路由器的NM(4A/S,NM(8A/S网络模块和WIC(2A/S广域网接口卡支持的最大异/同步速率各是多少?
这些网络模块和广域网接口卡既能够支持异步,也能够支持同步。支持的最大异步速率均为115.2Kbps,最大同步速率均为128Kbps。
5.WIC-2T与WIC-1T的电缆各是哪种?
WIC-1T:DB60转V35或RS232、 449等电缆。 如:CAB-V35-MT。
WIC-2T:SMART型转V35或RS232、 449等电缆。 如: CAB-SS-V35-MT。
6.Cisco 7000系列上的ME1与Cisco 2600/3600上的E1、 CE1有什么区别?
Cisco 7000上的ME1可配置为E1、 CE1, 而Cisco 2600/3600上的E1、 CE1仅支持自己的功能。
7.Cisco 2600系列路由器,是否支持VLAN间路由,对IOS软件有何需求?
Cisco(2600系列路由器中,只有Cisco2620和Cisco2621可以支持VLAN间的 路由(百兆端口才支持VLAN间路由)。并且如果支持VLAN间路由,要求IOS软件必须包括IP Plus特性集。
8.Cisco3660路由器与3620/3640路由器相比在硬件上有那些不同?
不同点如下:
* Cisco3660路由器基本配置包括1或2个10/100M自适应快速以太网接口;而Cisco3620/3640基本配置中不包括以太网接口。
* Cisco3660路由器支持网络模块热插拔,而 Cisco3620/3640不支持网络模块热插拔。
* Cisco3660的冗余电源为内置, 而Cisco3620/3640的冗余电源为外置的。
9. 为什么我的3640不能识别NM-1FE2W?
需要将IOS升级到12.0.7T
原文转自:www.ltesting.net
篇3:CiscoHSRP的配置网络知识
version 12.0 service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname r1 ! enable password cisco ! ip su .net -zero ! ! ! ! interface Ethernet0 ip address 136.147.107.101 255.255.0.0 no ip red
version 12.0
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname r1
!
enable password cisco
!
ip su.net-zero
!
!
!
!
interface Ethernet0
ip address 136.147.107.101 255.255.0.0
no ip redirects
no ip directed-broadcast
standby 150 timers 5 15 /* 定义150组5秒交换一次hello信息,15秒没收到
hello信息就开始切换 */
standby 150 priority 110 /* 定义150组的主路由器权值,值越大,为主路由
器希望越大 */
standby 150 preempt /* enable 150组的hsrp抢占功能 */
standby 150 authentication cisco /* 设置150组的router身份验证串 */
standby 150 ip 136.147.107.100 /* 定义150组的浮动地址,也是这台router
连接的网络的网关 */
standby 150 track Ethernet0 /* 定义监控的端口 */
!
interface Serial0
no ip address
no ip directed-broadcast
no ip mroute-cache
shutdown
no fair-queue
!
ip classless
!
!
line con 0
transport input none
line 1 16
line aux 0
line vty 0 4
password cisco
login
!
end
原文转自:www.ltesting.net
篇4:4006s2配置清单网络知识
作3层交换 Enter password: ZX_WS4006_1>(enable) sh mod Mod Slot Ports Module-Type Model Sub Status --- ---- ----- ------------------------- ------------------- --- -------- 1 1 2 1000BaseX Supervisor WS-X4013 no ok 3 3 6 1000BaseX Ethernet
作3层交换
Enter password:
ZX_WS4006_1>(enable) sh mod
Mod Slot Ports Module-Type Model Sub Status
--- ---- ----- ------------------------- ------------------- --- --------
1 1 2 1000BaseX Supervisor WS-X4013 no ok
3 3 6 1000BaseX Ethernet WS-X4306 no ok
4 4 34 Router Switch Card WS-X4232-L3 no ok
Mod Module-Name Serial-Num
--- -------------------- --------------------
1 JAE060906GZ
3 JAE04470A10
4 JAB052105F2
Mod MAC-Address(es) Hw Fw Sw
--- -------------------------------------- ------ ---------- -----------------
1 00-08-e3-86-06-00 to 00-08-e3-86-09-ff 3.2 5.4(1) 6.3(1)
3 00-04-27-55-93-2c to 00-04-27-55-93-31 2.0
4 00-04-9a-50-16-4c to 00-04-9a-50-16-6d 1.7 12.0(7)W5( 12.0(10)W5(18f)
ZX_WS4006_1>(enable) sh config
This command shows non-default configurations only.
Use 'show config all' to show both default and non-default configurations.
.............
..................
..................
....................
..
begin
!
# ***** NON-DEFAULT CONFIGURATION *****
!
!
#time: Tue Mar 18 , 23:11:06
!
#version 6.3(1)
!
!
#system web interface version(s)
set password $2$ZtNY$yuqPHi7CpjwCs0blr9mxG0
set enablepass $2$rY7u$b9D5DEa661dt46OwWq5ts/
!
#test
set test diaglevel minimal
!
#system
set system name ZX_WS4006_1
set system contact Center-sw
!
#frame. distribution method
set port channel all distribution mac both
!
#vtp
set vtp domain cs1yhis
set vlan 1 name default type ethernet mtu 1500 said 100001 state active
set vlan 2 name JiGuan type ethernet mtu 1500 said 100002 state active
set vlan 3 name YeWu type ethernet mtu 1500 said 100003 state active
set vlan 4 name XXZX type ethernet mtu 1500 said 100004 state active
set vlan 100 name yibao type ethernet mtu 1500 said 100100 state active
set vlan 1002 name fddi-default type fddi mtu 1500 said 101002 state active
set vlan 1004 name fddinet-default type fddinet mtu 1500 said 101004 state activ
e stp ieee
set vlan 1005 name trnet-default type trbrf mtu 1500 said 101005 state active st
p ibm
set vlan 5-20
set vlan 1003 name token-ring-default type trcrf mtu 1500 said 101003 state acti
ve mode srb aremaxhop 0 stemaxhop 0 backupcrf off
!
#ip
set interface sc0 1 192.168.1.250/255.255.255.0 192.168.1.255
set interface sl0 192.168.168.1 255.255.255.0
set interface sl0 down
set interface me1 192.0.2.1 255.255.255.0 192.0.2.255
set ip route 0.0.0.0/0.0.0.0 192.168.1.254
!
#dns
set ip dns server 202.103.96.68 primary
set ip dns server 202.103.4.238
!
#syslog
set logging level cops 2 default
!
#set boot command
set boot config-register 0x2
set boot system flash bootflash:cat4000.6-3-1.bin
set boot system flash bootflash:cat4000.5-5-8.bin
!
#mls
set mls nde disable
!
#port channel
set port channel 4/1-2 25
!
#http configuration
set ip http server enable
!
#module 1 : 2-port 1000BaseX Supervisor
set udld enable 1/1-2
!
#module 2 empty
!
#module 3 : 6-port 1000BaseX Ethernet
set udld enable 3/6
set trunk 3/3 on dot1q 1-1005
set trunk 3/4 on dot1q 1-1005
set trunk 3/5 on dot1q 1-1005
set trunk 3/6 on dot1q 1-1005
!
#module 4 : 34-port Router Switch Card
set trunk 4/1 nonegotiate dot1q 1-1005
set trunk 4/2 nonegotiate dot1q 1-1005
set port channel 4/1-2 mode on
!
#module 5 empty
!
#module 6 empty
end
ZX_WS4006_1>(enable)
ZX_WS4006_1>(enable) sess 3
Feature not supported on Module 3.
ZX_WS4006_1>(enable) sess 4
Trying IntlgLineCard-4...
Connected to IntlgLineCard-4.
Escape character is '^]'.
User Aclearcase/” target=“_blank” >ccess Verification
Password:
VLAN-gw>en
Password:
VLAN-gw#sh run
Building configuration...
Current configuration:
!
version 12.0
no service pad
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname VLAN-gw
!
enable secret 5 $1$j6xO$q2wF0qaki76qo6hr3bYlt.
enable password 7 070E25414707
!
ip subnet-zero
no ip domain-lookup
ip name-server 202.103.96.68
ip name-server 202.103.100.100
!
!
!
interface Port-channel1
description This is interface is configured for routing with native vlan 1 to 4
no ip address
no ip redirects
no ip directed-broadcast
hold-queue 300 in
!
interface Port-channel1.1
encapsulation dot1Q 1 native
ip address 192.1.1.254 255.255.255.0 secondary
ip address 192.168.1.254 255.255.255.0
no ip redirects
no ip directed-broadcast
!
interface Port-channel1.2
description This interface is connected to vlan 2 which is connected to vlan
encapsulation dot1Q 2
ip address 192.168.2.254 255.255.255.0
no ip redirects
no ip directed-broadcast
!
interface Port-channel1.3
description This interface is connected to vlan 3 which is connected to vlan 3
encapsulation dot1Q 3
ip address 192.168.3.254 255.255.255.0
no ip redirects
no ip directed-broadcast
!
interface FastEthernet1
description This is the out of band interface that you can use for management
ip address 172.168.1.1 255.255.255.0
no ip directed-broadcast
!
interface GigabitEthernet1
no ip address
no ip directed-broadcast
!
interface GigabitEthernet2
no ip address<
原文转自:www.ltesting.net
篇5:3550emi配置DHCPSERVER!网络知识
相关配置命令: config)#ip dhcp pool [地址池名] (config)#ip dhcp excluded-address [不分配的地址] (dhcp-config) .net work [要分配的地址] [掩码] (dhcp-config)#lease [租约] (dhcp-config)#default-router [默认网关] (dhcp-config)#dns-server[dns
相关配置命令:
config)#ip dhcp pool [地址池名]
(config)#ip dhcp excluded-address [不分配的地址]
(dhcp-config).network [要分配的地址] [掩码]
(dhcp-config)#lease [租约]
(dhcp-config)#default-router [默认网关]
(dhcp-config)#dns-server[dns服务器]
然后要对自动获取地址的vlan 进行设置
(config)#ip helper-address [交换机地址]
再将端口划分到vlan 里
show config:
ip dhcp excluded-address 10.0.199.200 10.0.199.254
!
ip dhcp pool test
network 10.0.199.0 255.255.255.0
default-router 10.0.199.1
dns-server 10.0.199.252
lease 0 0 5
nterface Vlan199
ip address 10.0.199.1 255.255.255.0
ip helper-address 10.0.1.1
原文转自:www.ltesting.net
篇6:SAMSUNGSR4901ISDNROUTER配置方法网络知识
IP(static)/PPP/Security(Out)/Unnumbered/NAT(PAT) PC1 -->SR -->ISDN -->ISP | PC2 -----+ PC1 : Ethernet : 214.100.10.2 255.255.255.0 Gateway : 214.100.10.1 PC2 : Ethernet : 214.100.10.3 255.255.255.0 Gateway : 214.100.10.1 SR : Ethernet :
IP(static)/PPP/Security(Out)/Unnumbered/NAT(PAT)
PC1 -->SR -->ISDN -->ISP
|
PC2 -----+
PC1 :
Ethernet : 214.100.10.2 255.255.255.0
Gateway : 214.100.10.1
PC2 :
Ethernet : 214.100.10.3 255.255.255.0
Gateway : 214.100.10.1
SR :
Ethernet : 214.100.10.1 255.255.255.0
Serial : 0.0.0.0 0.0.0.0
Outgoing ID : son
Outgoing Password : son-out
NAT Global IP : 123.12.12.1 255.255.255.0
First, We are set the NAT Global IP with temporary IP (123.12.
12.1).
When we are connect to ISP, ISP send to me a ONE IP Address dy
namically.
That IP Address will be copy in NAT Global IP automatically.
(123.12.12.1 ->Delete)
ISP Tel No : 3448-8897
====================================================================
SR's configuration
1. Special Link/WAN/PPP over ISDN (for Serial IP)
Channel Channel-1
Channel Status Up
ISDN Dest Addr 34488897
ISDN Dest Sub Addr (blank)
IP Configuration
Admin Status Up
IP Address 0.0.0.0
Network Mask 0.0.0.0
Routing Protocol None
IPX Configuration
IPX Network Number (blank)
Admin Status Down
Oper Status (blank)
Bridge Configuration
Base Bridge Status Down
STP Status Down
2. Special Link/IP Routing/Static Route (for static table)
Destination Address0.0.0.0 214
.100.10.1
Subnet Mask 0.0.0.0 255
.255.255.0
Channel Channel-1 Ethernet
X.25 Virtual Circuit number 0 0
Address of the next hop(Gateway) 0.0.0.0 0.0.0.
0
Metric associated with the route 1 1
Static Route status Enable Ena
ble
3. Special Link/PPP/Router Security (for Outgoing)
Router Name : son
Outgoing Password : son-out
4. Features/NAT (for NAT)
NAT Table
Global IP address : 123.12.12.1
Subnet Mask: 255.255.255.0
NAT entry status : Create
Net Map list. : 214.100.10.0,255.255.255.0;
Enable NAT in the router : Yes
NAT Global
NAT port translation required : Yes
--Be careful--
Until Version 1.4 -->
Net Map list : 214.100.10.2,255.255.255.0,*-1300;214.100.10.3,
255.255.255.0,*-1310;
From Version 1.4.1 -->
Net Map list : 214.100.10.0,255.255.255.0;
原文转自:www.ltesting.net
篇7:配置帧中继交换机网络知识
本实验是配置普通路由器作为帧中继交换机使用,以便为本章的其他实验提供一个帧中继的实验环境, 1.实验目的 通过本实验,读者可以掌握以下技能: ●配置只有2个节点的帧中继环境; ●配置星型的帧中继环境; ●配置全网状的帧中继环境; ●熟悉相关的查看和监测
本实验是配置普通路由器作为帧中继交换机使用,以便为本章的其他实验提供一个帧中继的实验环境。
1.实验目的
通过本实验,读者可以掌握以下技能:
●配置只有2个节点的帧中继环境;
●配置星型的帧中继环境;
●配置全网状的帧中继环境;
●熟悉相关的查看和监测命令。
2.设备需求
本实验需要以下设备:
●具有3个以上串行接口的路由器1台;
●3条DCE类型串行电缆;
●1台带有超级终端程序的PC机,以及Console电缆及转接器。
3.线缆连接及配置说明
本实验的线缆连接如图8.1所示,把PC机通过Console电缆连接到路由器的Console端口上,即完成了线缆的连接。
图8-1也标出了配置有2节点的帧中继环境的DLCI值。
4.实验配置及监测结果
第1步:配置有2个节点的帧中继环境
实验1的第1步是配置有2个节点的帧中继环境,它的配置较为简单,其配置见配置清单8-1。
配置清单8-1 配置有2个节点的帧中继环境
第1段:配置有2个节点的帧中继环境
version 12.1
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname FR_S witch
ip subnet-zero
no ip domain-lookup
frame-relay switching
!
interface Serial0
no ip address
shutdown
!
interface Serial 1
no Ip address
encapsuSatlois frame-relay
dockrate 64000
frame-relay lmi-type dsco
frame-relay Intf-type dee
frame-relay route 102 Interface Serlal2 201
!
interface Serial2
no ip address
encapsulation frame-relay
clockrate 64000
frame-relay Imi-type cisco
frame-relay intf-type dee
frame-relay route 201 interface Seriall 102
!
interface Serial3
no ip address
shutdown
!
line con 0
line aux 0
transport input all
line vty 0 4
login
!
end
第2段:查看有关信息
FR_Switch#sh fr route
Input Intf Input Dici Output Intf Output Dici Status
Serial1 102 Serial2 201 inactive
Serial2 201 Serial1 102 inactive
FR_Switch#sh fr lmi
LMI Statistics for interface Serial1(Frame. Relay DCE)LMI TYPE=CISCO
Invalid Unnumbered info 0 Invalid Prot Disc 0
Invalid dummy Call Ref 0 Invalid Msg Type 0
Invalid Status Message 0 Invalid Lock Shift 0
Invalid Information ID 0 Invalid Report IE Len 0
Invalid Report Request 0 Invalid Keep IE Len 0
Num Status Enq. Rcvd 0 Num Status msgs Sent 0
Num Update Status Sent 0 Num St Enq. Timeouts 0
LMI Statistics for interface Serial2(Frame. Relay DCE)LMI TYPE=CISCO
Invalid Unnumbered info 0 Invalid Prot Disc 0
Invalid dummy Call Ref 0 Invalid Msg Type 0
Invalid Status Message 0 Invalid Lock Shift 0
Invalid Information ID 0 Invalid Report IE Len 0
Invalid Report Request 0 Invalid Keep IE Len 0
Num Status Enq. Rcvd 0 Num Status msgs Sent 0
Num Update Status Sent 0 Num St Enq. Timeouts 154
FR_Switch#sh fr pvc
PVC Statistics for interface Serial1(Frame. Relay DCE)
Active Inactive Deleted Static
Local 0 00 0
Switched 0 1 0 0
Unused 0 0 00
DLCI=102,DLCI USAGE-SWITCHED,PVC STATUS=INACTIVE,INTERFACE=Serial1
input pkts 0 output pkts 0 in bytes 0
out bytes 0 dropped pkts 0 in FECN pkts 0
in BECN pkts 0 out FECN pkts 0 out BECN pkts 0
in DE pkts 0 out DE pkts 0
out beast pkts 0 out beast bytes 0 Num Pkts Switched 0
pvc create time 00:39:51, last time pvc status changed 00:39:51
PVC Statistics for interface Serial2(Frame. Relay DCE)
Active Inactive Deleted Static
Local 0000
Switched 0100
Unused 0000
DLCI=201,DLCIUSAGE=SWITCHED,PVC STATUS=INACTIVE,INTERFACE=Serial2
input pkts 0 output pkts 0in bytes 0
out bytes 0 dropped pkts 0 in FECN pkts 0
in BECN pkts 0 out FECN pkts 0 out BECN pkts 0
in DE pkts 0 out DE pkts 0
out beast pkts 0 out beast bytes 0 Num Pkts Switched 0
pvc create time 00:39:32, last time pvc status changed 00:39:29
FR_Switch#
(1)在作为帧中继交换机使用的路由器上,首先使用Frame-relay switching命令,启动该路由器的帧申继交换功能,使它可以被配置成为帧中继交换机,
(2)为了编号方便,我们没有使用S0接口。当然,如果路由器的串行接口数量有限,S0接口同样可以被使用。
(3)在对S1接口的配置中,我们逐句来进行讲解。
no ip addressDD在S1接口上不配置IP地址,这是接口的缺省配置,不用专门输入;
encapsuaation Frame-relayDD把S1接口封装成为帧中继;
clockrate 64000DD设定时钟为64000,也可以是其他允许的值;
frame-relay lmi-type ciscoDD设定LMI类型为Cisco;
frame-relay intf-type dceDD定义帧中继的接口类型为DCE,即所连接的电缆类型为DCE;
frame-relay route 102 interface Serial2 201DD定义本接口的DLCI值为102,与S2接口的值为201的DLCI形成1个虚电路。
(4)与S1接口类似,在对S2接口的配置中,使用的语句及讲解如下。
no ip addressDD在S1接口上不配置IP地址;
encapsuaation Frame-relayDD把S1接口封装成为帧中继;
clockrate 64000DD设定时钟为64000;
frame-relay lmi-type ciscoDD设定LMI类型为Cisco;
frame-relay intf-type dceDD定义帧中继的接口类型为DCE;
frame-relay route 201 interface Serial2 102DD定义本接口的DLCI值为102,与S2接口的值为102的DLCI形成1个虚电路。
在上述配置中DLCI值为102和201是由我们自行定义的,为了配置时的条理性,从引接口到S2接口的DLCI取值为102,从S2接口到S1接口的DLCE取值为201,下面的实验中依此类推。
(5)在第2段中使用了3个查看帧中继信息的命令,它们是show frame-relay route、showframe-relay lmi和show frame-pvc,分别列出了帧中继路由的设置、LMI类型和统计信息及PVC状态信息。
可以看到帧中继的PVC处于非激活状态,这是由于在DCE电缆的另一端没有连接任何设备,接口处于down的状态。
(未完...待续)
原文转自:www.ltesting.net
篇8:配置帧中继交换机网络知识
第2步:配置星型的帧中继环境 配置星型的帧中继环境的DLCI值分配如8-2所示,这里给出的是从1点(S1所连设备)到2点(S2和S3所连设备)的案例, 在此,我们给出完整的配置,见配置清单8-2。 配置清单8-2配置从1点到2点的星型帧中继环境 第1段:配置从1点到2点的帧
第2步:配置星型的帧中继环境
配置星型的帧中继环境的DLCI值分配如8-2所示,这里给出的是从1点(S1所连设备)到2点(S2和S3所连设备)的案例。
在此,我们给出完整的配置,见配置清单8-2。配置清单8-2配置从1点到2点的星型帧中继环境
第1段:配置从1点到2点的帧中继环境
version 12.1
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname FR_Switch
ip subnet-zero
no ip domain-lookup
frame-relay switching
!
interface Serial0
no ip address
shutdown
!
interface Serial 1
no ip address
encapsiilation frame-relay
clockrate 64000
frame-relay lmi-type cisco
frame-relay intf-type dee
frame-relay route 102 interface Serial2 201
frame-relay route 103 interface SeriaB 301
!
interface Serial2
no ip address
encapsulation frame-relay
clockrate 64000
frame-relay lmi-type cisco
frame-relay intf-type dee
frame-relay route 201 interface Seriall 102
!
interface Serial3
no ip address
encapsulation frame-relay
clockrate 64000
frame-relay Imi-type cisco
frame-relay intf-type dee
frame-relay route 301 interface Seriall 103
!
line con 0
line aux 0
transport input all
line vty 04
login
!
end
第2段:查看有关信息
fR_Switch#sh fr route
Input Intf Input Dici Output Intf Output Dici Status
Serial1102Serial2 201 inactive
Serial1103Serial2 301 inactive
Serial2201Serial1 102 inactive
Serial3301Serial1 103 inactive
(1)在配置清单中,比第1步增加的内容有2项:
在S1接口的配置中加入了一条语句,即
frame-relay route 103 interface Serial3 301
使S1接口增加了1个DLCI值103,此DLCE与S3接口上的值为301的DLCI形成一个虚电路 (VC);
在S3接口上的配置与S2接口上类似,它定义了到S1接口DLCE 103的虚电路,
(2)show frame-relay route命令的执行结果表明配置是成功的。
(3)其他show命令的结果与第2步中的类似,不再重复列出。
(4)第2步实现了从S1接口所连设备到S2和S3接口所连设备的1点到2点(多点)的星型连接,这是帧中继的包交换特性之一。
第3步:配置全网状的帧中继环境
所谓全网状的帧中继环境,是指在这个帧中继拓扑中,任何两个节点间都存在一条虚电路,如果把各节点用直线两两一组连接起来,会形成一张网。对于有3个节点的全网状结构来说,连接起来形成的是一个三角形。
全网状拓扑的帧中继环境如图8-3所示,这是一个有3个节点的全网状拓扑环境。图中标出了每个接口上的DLCI值。
配置清单8-3是作为帧中继交换机的路由器配置中串行接口部分的配置,其余部分的配置与第2步相同,不再重复列出。
配置清单8-5 配置全网状的帧中继环境
第1段:配置全网状帧中继环境的配置清单节选
interface Serial0
no ip address
shutdown
!
interface Serial 1
no ip address
encapsulation frame-relay
dockrate 64000
frame-relay lmi-type cisco
frame-relay intf-type dee
frame-relay route 102 Interface Serial2 201
frame-relay route 103 interface SerialS 301
!
interface Serial2
no ip address
encapsulation frame-relay
clockrate 64000
frame-relay lmi-type cisco
frame-relay intf-type dee
frame-relay route 201 interface SeriaS1 102
frame-relay route 203 interface Serial3 302
!
interface Serial3
no ip address
encapsulation frame-relay
clockrate 64000
frame-relay Imi-type cisco
frame-relay intf-type dee
frame-relay route 301 interface Serial1 103
frame-relay route 302 interface Serial2 203
第2段:查看有关信息
FR_Switch#sh fr route
Input Intf Input Dici Output Intf Output Dici Status
Serial1102 Serial2 201 inactive
Serial1103 Serial3 301 inactive
Serial2201 Serial1 102 inactive
Serial2203 Serial3 302 inactive
SeriaS3301 Serial1 103 inactive
Serial3302 Serial2 203 inactive
FR_Switch#
(1)在配置帧中继全网状拓扑环境时,需要注意的是用Frame-relay route语句把所有可能的虚电路都进行设置,如清单中的S1到S2和S3。S2到S1和S3、S3到S1和S2共3个PVC,需6条语句来配置。
(2)show fr route命令列出的清单表明配置是成功的。
原文转自:www.ltesting.net
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