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DL010011 BGP協(xié)議上機(jī)指導(dǎo)書 ISSUE1.2DL010011 BGP協(xié)議上機(jī)指導(dǎo)書 ISSUE1.2目 錄課程說明目 錄課程說明1實(shí)驗(yàn)說明1版本說明1實(shí)驗(yàn)?zāi)康?實(shí)驗(yàn)任務(wù)1相關(guān)資料1第1章 BGP協(xié)議基本配置21.1 組網(wǎng)及業(yè)務(wù)介紹21.2 命令行列表21.3 配置流程圖31.4 配置步驟31.5 結(jié)果驗(yàn)證41.6 配置參考9第2章 BGP路由聚合122.1 組網(wǎng)及業(yè)務(wù)介紹122.2 命令行列表122.3 配置流程圖122.4 配置步驟132.5 結(jié)果驗(yàn)證132.6 附加任務(wù)192.7 配置參考20第3章 BGP路由反射器233.1 組網(wǎng)及業(yè)務(wù)介紹233.2 命令行列表233.3 配置流程圖233.4 配置步驟243.5 結(jié)果驗(yàn)證243.6 配置參考26第4章 BGP聯(lián)盟294.1 組網(wǎng)及業(yè)務(wù)介紹294.2 命令行列表294.3 配置流程圖304.4 配置步驟304.5 結(jié)果驗(yàn)證304.6 配置參考31第5章 BGP路徑選擇345.1 組網(wǎng)及業(yè)務(wù)介紹345.2 命令行列表345.3 配置流程圖355.4 配置步驟355.5 結(jié)果驗(yàn)證355.6 配置參考39i華為技術(shù)有限公司 版權(quán)所有, 未經(jīng)許可不得擴(kuò)散DL010011 BGP協(xié)議上機(jī)指導(dǎo)書 ISSUE1.2BGP路徑選擇課程說明實(shí)驗(yàn)說明本實(shí)驗(yàn)指導(dǎo)書本主要介紹了BGP協(xié)議的基本配置方法及配置流程，涵蓋了BGP協(xié)議當(dāng)前的主要技術(shù)，相信您能通過本指導(dǎo)書了解對BGP協(xié)議的配置方法及配置流程。版本說明本指導(dǎo)書適用于VRP Version 3.40, Release 0201P01與VRP版本5.10，RELEASE 0039實(shí)驗(yàn)?zāi)康膌 了解BGP協(xié)議的基本原理l 掌握BGP協(xié)議的配置流程l 熟悉BGP協(xié)議的配置命令實(shí)驗(yàn)任務(wù)l BGP協(xié)議基本配置l BGP路由聚合相關(guān)資料l VRP3.40操作手冊l VRP5.10操作手冊第1章 BGP協(xié)議基本配置1.1 組網(wǎng)及業(yè)務(wù)介紹圖1-1 BGP協(xié)議上機(jī)組網(wǎng)圖RTD能夠?qū)W習(xí)到RTA的17.1.1.1/32和RTB的18.1.1.1的路由信息。1.2 命令行列表表1-1 BGP協(xié)議上機(jī)命令行操作命令啟動BGP，進(jìn)入BGP視圖bgp as-number關(guān)閉BGPundo bgp as-number 創(chuàng)建一個(gè)對等體組group group-name internal | external 刪除指定的對等體組undo group group-name為EBGP對等體組指定自治系統(tǒng)號peer group-name as-number as-number刪除指定EBGP對等體組的自治系統(tǒng)號undo peer group-name as-number向?qū)Φ润w組中加入一個(gè)對等體peer peer-address group group-name as-number as-number 從對等體組中刪除一個(gè)對等體undo peer peer-address指定路由更新報(bào)文的源接口peer peer-address connect-interface LoopBack 取消指定路由更新報(bào)文的源接口undo peer peer-address connect-interface LoopBack1.3 配置流程圖配置接口使能BGP配置對等體組向?qū)Φ润w組中加入對等體配置對等體引入路由圖1-3 BGP協(xié)議配置流程圖1.4 配置步驟(1) 配置接口在RTA、RTB、RTC和RTD上分別配置環(huán)回地址和相應(yīng)的物理接口地址。 (詳見圖1-1)(2) 使能BGP。RTA、RTB、RTC、RTD分別開啟BGP，RTB和RTC在同一自治系統(tǒng)中。(3) 配置對等體組在RTA、RTD上配置EBGP對等體組、RTB、RTC上配置EBGP和IBGP。(4) 配置對等體在RTA、RTB、RTC和RTD上分別配置相應(yīng)的對等體，加入相應(yīng)的對等體組。(5) 引入路由把IGP路由引入到BGP中。1.5 結(jié)果驗(yàn)證(1) RTA上的鄰居狀態(tài)和路由信息display bgp peer Peer AS-num Ver Queued-Tx Msg-Rx Msg-Tx Up/Down State-10.1.1.2 200 4 0 40 28 00:24:12 Establisheddisplay bgp routingFlags: # - valid - active I - internal D - damped H - history S - aggregate suppressed Dest/Mask Next-Hop Med Local-pref Origin Path -# 1.1.1.1/32 0.0.0.0 0 100 INC # 2.2.2.2/32 10.1.1.2 0 0 INC 200# 3.3.3.3/32 10.1.1.2 20 0 INC 200# 4.4.4.4/32 10.1.1.2 0 0 INC 200 300# 10.1.1.0/30 0.0.0.0 0 100 INC # 10.1.1.2 0 0 INC 200# 10.2.2.0/30 10.1.1.2 0 0 INC 200# 17.1.1.1/32 0.0.0.0 0 100 INC # 18.1.1.1/32 10.1.1.2 0 0 INC 200# 19.1.1.1/32 10.1.1.2 20 0 INC 200# 20.1.1.1/32 10.1.1.2 0 0 INC 200 300# 192.2.2.0/30 10.1.1.2 0 0 INC 200 Routes total: 12 display ip routing-table Routing Table: public netDestination/Mask Protocol Pre Cost Nexthop Interface1.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack02.2.2.2/32 BGP 256 0 10.1.1.2 Ethernet0/13.3.3.3/32 BGP 256 20 10.1.1.2 Ethernet0/14.4.4.4/32 BGP 256 0 10.1.1.2 Ethernet0/110.1.1.0/30 DIRECT 0 0 10.1.1.1 Ethernet0/110.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack010.2.2.0/30 BGP 256 0 10.1.1.2 Ethernet0/117.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack018.1.1.1/32 BGP 256 0 10.1.1.2 Ethernet0/119.1.1.1/32 BGP 256 20 10.1.1.2 Ethernet0/120.1.1.1/32 BGP 256 0 10.1.1.2 Ethernet0/1127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0192.2.2.0/30 BGP 256 0 10.1.1.2 Ethernet0/1(2) RTB上的鄰居狀態(tài)和路由信息display bgp peer Peer AS-num Ver Queued-Tx Msg-Rx Msg-Tx Up/Down State-10.1.1.1 100 4 0 26 41 00:24:38 Established3.3.3.3 200 4 0 36 37 00:24:34 Establisheddisplay bgp routingFlags: # - valid - active I - internal D - damped H - history S - aggregate suppressed Dest/Mask Next-Hop Med Local-pref Origin Path -# 1.1.1.1/32 10.1.1.1 0 0 INC 100# 2.2.2.2/32 0.0.0.0 0 100 INC # I 3.3.3.3 20 100 INC # 3.3.3.3/32 0.0.0.0 20 100 INC I 3.3.3.3 0 100 INC #I 4.4.4.4/32 10.2.2.2 0 100 INC 300# 10.1.1.0/30 0.0.0.0 0 100 INC # 10.1.1.1 0 0 INC 100#I 10.2.2.0/30 3.3.3.3 0 100 INC # 17.1.1.1/32 10.1.1.1 0 0 INC 100# 18.1.1.1/32 0.0.0.0 0 100 INC # I 3.3.3.3 20 100 INC # 19.1.1.1/32 0.0.0.0 20 100 INC # I 3.3.3.3 0 100 INC #I 20.1.1.1/32 10.2.2.2 0 100 INC 300# 192.2.2.0/30 0.0.0.0 0 100 INC # I 3.3.3.3 0 100 INC display ip routing-table Routing Table: public netDestination/Mask Protocol Pre Cost Nexthop Interface1.1.1.1/32 BGP 256 0 10.1.1.1 Ethernet0/12.2.2.2/32 DIRECT 0 0 127.0.0.1 InLoopBack03.3.3.3/32 IS-IS 15 20 192.2.2.2 Ethernet0/04.4.4.4/32 BGP 256 0 10.2.2.2 Ethernet0/010.1.1.0/30 DIRECT 0 0 10.1.1.2 Ethernet0/110.1.1.2/32 DIRECT 0 0 127.0.0.1 InLoopBack010.2.2.0/30 BGP 256 0 3.3.3.3 Ethernet0/017.1.1.1/32 BGP 256 0 10.1.1.1 Ethernet0/118.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack019.1.1.1/32 IS-IS 15 20 192.2.2.2 Ethernet0/020.1.1.1/32 BGP 256 0 10.2.2.2 Ethernet0/0127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0192.2.2.0/30 DIRECT 0 0 192.2.2.1 Ethernet0/0192.2.2.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0 (3) RTC上的鄰居狀態(tài)和路由信息display bgp peer Peer AS-num Ver Queued-Tx Msg-Rx Msg-Tx Up/Down State-10.2.2.2 300 4 0 4 8 00:02:11 Established2.2.2.2 200 4 0 36 38 00:24:48 Establisheddisplay bgp routingFlags: # - valid - active I - internal D - damped H - history S - aggregate suppressed Dest/Mask Next-Hop Med Local-pref Origin Path -#I 1.1.1.1/32 10.1.1.1 0 100 INC 100# 2.2.2.2/32 0.0.0.0 20 100 INC I 2.2.2.2 0 100 INC # 3.3.3.3/32 0.0.0.0 0 100 INC # I 2.2.2.2 20 100 INC # 4.4.4.4/32 10.2.2.2 0 0 INC 300#I 10.1.1.0/30 2.2.2.2 0 100 INC # 10.2.2.0/30 0.0.0.0 0 100 INC # 10.2.2.2 0 0 INC 300#I 17.1.1.1/32 10.1.1.1 0 100 INC 100# 18.1.1.1/32 0.0.0.0 20 100 INC # I 2.2.2.2 0 100 INC # 19.1.1.1/32 0.0.0.0 0 100 INC # I 2.2.2.2 20 100 INC # 20.1.1.1/32 10.2.2.2 0 0 INC 300# 192.2.2.0/30 0.0.0.0 0 100 INC # I 2.2.2.2 0 100 INC display ip routing-table Routing Table: public netDestination/Mask Protocol Pre Cost Nexthop Interface1.1.1.1/32 BGP 256 0 10.1.1.1 Ethernet0/02.2.2.2/32 IS-IS 15 20 192.2.2.1 Ethernet0/03.3.3.3/32 DIRECT 0 0 127.0.0.1 InLoopBack04.4.4.4/32 BGP 256 0 10.2.2.2 Ethernet0/110.1.1.0/30 BGP 256 0 2.2.2.2 Ethernet0/010.2.2.0/30 DIRECT 0 0 10.2.2.1 Ethernet0/110.2.2.1/32 DIRECT 0 0 127.0.0.1 InLoopBack017.1.1.1/32 BGP 256 0 10.1.1.1 Ethernet0/018.1.1.1/32 IS-IS 15 20 192.2.2.1 Ethernet0/019.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack020.1.1.1/32 BGP 256 0 10.2.2.2 Ethernet0/1127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0192.2.2.0/30 DIRECT 0 0 192.2.2.2 Ethernet0/0192.2.2.2/32 DIRECT 0 0 127.0.0.1 InLoopBack0(4) RTD上的鄰居狀態(tài)和路由信息display bgp peer Peer AS-num Ver Queued-Tx Msg-Rx Msg-Tx Up/Down State-10.2.2.1 200 4 0 6 5 00:02:25 Establisheddisplay bgp routingFlags: # - valid - active I - internal D - damped H - history S - aggregate suppressed Dest/Mask Next-Hop Med Local-pref Origin Path -# 1.1.1.1/32 10.2.2.1 0 0 INC 200 100# 2.2.2.2/32 10.2.2.1 20 0 INC 200# 3.3.3.3/32 10.2.2.1 0 0 INC 200# 4.4.4.4/32 0.0.0.0 0 100 INC # 10.1.1.0/30 10.2.2.1 0 0 INC 200# 10.2.2.0/30 0.0.0.0 0 100 INC # 10.2.2.1 0 0 INC 200# 17.1.1.1/32 10.2.2.1 0 0 INC 200 100# 18.1.1.1/32 10.2.2.1 20 0 INC 200# 19.1.1.1/32 10.2.2.1 0 0 INC 200# 20.1.1.1/32 0.0.0.0 0 100 INC # 192.2.2.0/30 10.2.2.1 0 0 INC 200 Routes total: 12 display ip routing-table Routing Table: public netDestination/Mask Protocol Pre Cost Nexthop Interface1.1.1.1/32 BGP 256 0 10.2.2.1 Ethernet0/12.2.2.2/32 BGP 256 20 10.2.2.1 Ethernet0/13.3.3.3/32 BGP 256 0 10.2.2.1 Ethernet0/14.4.4.4/32 DIRECT 0 0 127.0.0.1 InLoopBack010.1.1.0/30 BGP 256 0 10.2.2.1 Ethernet0/110.2.2.0/30 DIRECT 0 0 10.2.2.2 Ethernet0/110.2.2.2/32 DIRECT 0 0 127.0.0.1 InLoopBack017.1.1.1/32 BGP 256 0 10.2.2.1 Ethernet0/118.1.1.1/32 BGP 256 20 10.2.2.1 Ethernet0/119.1.1.1/32 BGP 256 0 10.2.2.1 Ethernet0/120.1.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0127.0.0.0/8 DIRECT 0 0 127.0.0.1 InLoopBack0127.0.0.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0192.2.2.0/30 BGP 256 0 10.2.2.1 Ethernet0/1(5) 各業(yè)務(wù)網(wǎng)段之間可以互訪ping 18.1.1.1 PING 18.1.1.1: 56 data bytes, press CTRL_C to break Reply from 18.1.1.1: bytes=56 Sequence=1 ttl=255 time=3 ms Reply from 18.1.1.1: bytes=56 Sequence=2 ttl=255 time=2 ms Reply from 18.1.1.1: bytes=56 Sequence=3 ttl=255 time=2 ms Reply from 18.1.1.1: bytes=56 Sequence=4 ttl=255 time=2 ms Reply from 18.1.1.1: bytes=56 Sequence=5 ttl=255 time=1 ms - 18.1.1.1 ping statistics - 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 1/2/3 msping 19.1.1.1 PING 19.1.1.1: 56 data bytes, press CTRL_C to break Reply from 19.1.1.1: bytes=56 Sequence=1 ttl=254 time=3 ms Reply from 19.1.1.1: bytes=56 Sequence=2 ttl=254 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=3 ttl=254 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=4 ttl=254 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=5 ttl=254 time=2 ms - 19.1.1.1 ping statistics - 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 2/2/3 msping 20.1.1.1 PING 20.1.1.1: 56 data bytes, press CTRL_C to break Reply from 20.1.1.1: bytes=56 Sequence=1 ttl=253 time=3 ms Reply from 20.1.1.1: bytes=56 Sequence=2 ttl=253 time=2 ms Reply from 20.1.1.1: bytes=56 Sequence=3 ttl=253 time=3 ms Reply from 20.1.1.1: bytes=56 Sequence=4 ttl=253 time=3 ms Reply from 20.1.1.1: bytes=56 Sequence=5 ttl=253 time=3 ms - 20.1.1.1 ping statistics - 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 2/2/3 msping 17.1.1.1 PING 17.1.1.1: 56 data bytes, press CTRL_C to break Reply from 17.1.1.1: bytes=56 Sequence=1 ttl=253 time=2 ms Reply from 17.1.1.1: bytes=56 Sequence=2 ttl=253 time=3 ms Reply from 17.1.1.1: bytes=56 Sequence=3 ttl=253 time=3 ms Reply from 17.1.1.1: bytes=56 Sequence=4 ttl=253 time=3 ms Reply from 17.1.1.1: bytes=56 Sequence=5 ttl=253 time=3 ms - 17.1.1.1 ping statistics - 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 2/2/3 msping 18.1.1.1 PING 18.1.1.1: 56 data bytes, press CTRL_C to break Reply from 18.1.1.1: bytes=56 Sequence=1 ttl=254 time=3 ms Reply from 18.1.1.1: bytes=56 Sequence=2 ttl=254 time=2 ms Reply from 18.1.1.1: bytes=56 Sequence=3 ttl=254 time=2 ms Reply from 18.1.1.1: bytes=56 Sequence=4 ttl=254 time=2 ms Reply from 18.1.1.1: bytes=56 Sequence=5 ttl=254 time=2 ms - 18.1.1.1 ping statistics - 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 2/2/3 msping 19.1.1.1 PING 19.1.1.1: 56 data bytes, press CTRL_C to break Reply from 19.1.1.1: bytes=56 Sequence=1 ttl=255 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=2 ttl=255 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=3 ttl=255 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=4 ttl=255 time=2 ms Reply from 19.1.1.1: bytes=56 Sequence=5 ttl=255 time=2 ms - 19.1.1.1 ping statistics - 5 packet(s) transmitted 5 packet(s) received 0.00% packet loss round-trip min/avg/max = 2/2/2 ms1.6 配置參考1. RTA配置system-viewSystem View: return to User View with Ctrl+Z.Quidwaysysname RTARTAinterface Ethernet0/1RTA-Ethernet0/1ip address 10.1.1.1 255.255.255.252RTA-Ethernet0/1quitRTAinterface LoopBack0RTA-LoopBack0ip address 1.1.1.1 255.255.255.255RTA-LoopBack0quitRTAinterface LoopBack1RTA-LoopBack1ip address 17.1.1.1 255.255.255.255RTA-LoopBack1quitRTAbgp 100RTA-bgpimport-route directRTA-bgpgroup CarrierB externalRTA-bgppeer 10.1.1.2 group CarrierB as-number 200RTA-bgpreturn2. RTB配置system-viewSystem View: return to User View with Ctrl+Z.Quidwaysysname RTBRTBisisRTB-isisnetwork-entity 49.0001.0020.0200.2002.00RTB-isisis-level Level-2RTB-isisquitRTBinterface Ethernet0/0RTB-Ethernet0/0ip address 192.2.2.1 255.255.255.252RTB-Ethernet0/0isis enableRTB-Ethernet0/0quitRTBinterface Ethernet0/1RTB-Ethernet0/1ip address 10.1.1.2 255.255.255.252RTB-Ethernet0/1quitRTBinterface LoopBack0RTB-LoopBack0ip address 2.2.2.2 255.255.255.255RTB-LoopBack0isis enableRTB-LoopBack0quitRTBinterface LoopBack1RTB-LoopBack1ip address 18.1.1.1 255.255.255.255RTB-LoopBack1isis enableRTB-LoopBack1quitRTBbgp 200RTB-bgpimport-route isis RTB-bgpimport-route directRTB-bgpgroup CarrierA externalRTB-bgppeer 10.1.1.1 group Carrier

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