MPLS Configration 事 例
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1 MPLS Configration 事 例 JANOG6 MPLSパネル グローバルワン 株 式 会 社 06/16/2000 JANOG6 MPLS Pannel 1
2 MPLS Configration なにが 必 要?(Ciscoしかわかりません) IOSは12.0(7) T 以 上 がいい PEは3600, 4500, 7200, and 7500 PはCisco LS1010, 7200, 7500, Catalyst 8540, BPX 8650, Cisco GSR12000 っていうのが 一 般 的 なのかな? 06/16/2000 JANOG6 MPLS Pannel 2
3 MPLS Configration 事 例 CE-S CE-3 vpn2 PE-3 PE-1 P AS:65535 PE-2 vpn1 CE-1 CE-1,2,3 : RD=65535:1001 CE-S : RD=65535:1002 CE-2 06/16/2000 JANOG6 MPLS Pannel 3 CE-SはCE-1とのみ 通 信 可 能 参 考 :Cisco 社 資 料
4 MPLS Configration 事 例 (CE) CE router 編 特 別 な 設 定 は 必 要 なし (I/F routingのみ) CE-PEでのRoutingは Staticが 基 本 かな ほかのDynamic Routing Protocolは プロバイダーと 相 談 06/16/2000 JANOG6 MPLS Pannel 4
5 MPLS Configration 事 例 (CE) Sample CE-1 configuration: interface Ethernet 0 ip address interface Serial 0 ip address router bgp 1 no synchronization redistribute connected neighbor PE-1 remote-as neighbor PE-1 version 4 neighbor peer-group PE-1 default-metric 100 no auto-summary CE-PE BGP or ip route serial0 CE-PE static 06/16/2000 JANOG6 MPLS Pannel 5
6 MPLS Configration 事 例 (PE) PE router 編 LDP(TDP)の 設 定 vrf(vpn Routing/Forwarding table)の 設 定 MP-iBGPの 設 定 address-family(ipv4&vpnv4)の 設 定 06/16/2000 JANOG6 MPLS Pannel 6
7 MPLS Configration 事 例 (PE) TDP Router/Interface cisco(config)#tag-switching ip cisco(config-if)#tag-switching ip と 書 くだけ 06/16/2000 JANOG6 MPLS Pannel 7
8 MPLS Configration 事 例 (PE) PE router 編 LDP(TDP)の 設 定 vrf(vpn Routing/Forwarding table)の 設 定 MP-iBGPの 設 定 address-family(ipv4&vpnv4)の 設 定 06/16/2000 JANOG6 MPLS Pannel 8
9 MPLS Configration 事 例 (PE) VPN RD route-target PE-1の 場 合 ip vrf vpn1 rd 65535:1001 route-target both 65535:10001 route-target export 65535:1002 route-target import 65535:1002 ip vrf vpn2 rd 65535:1002 route-target both 65535:10002 PE-2の 場 合 ip vrf vpn1 rd 65535:1001 route-target both 65535:10001 vpn1という 名 前 のvrfを 定 義 する <ASN>:<32 bit number> PE-1のvrf=vpn1はこれらのRD の 経 路 をinport/exportする 06/16/2000 JANOG6 MPLS Pannel 9
10 MPLS Configration 事 例 (PE) I/F vrf PE-1の 場 合 interface Serial5/1/2 description Connect to CE-1 ip vrf forwarding vpn1 ip address interface Serial5/1/3 description Connect to CE-S ip vrf forwarding vpn2 ip address PE-2の 場 合 interface Serial8/1/1 description Connect to CE-2 ip vrf forwarding vpn1 ip address /16/2000 JANOG6 MPLS Pannel 10
11 MPLS Configration 事 例 (PE) PE router 編 LDP(TDP)の 設 定 vrf(vpn Routing/Forwarding table)の 設 定 MP-iBGP ibgpの 設 定 address-family(ipv4&vpnv4)の 設 定 06/16/2000 JANOG6 MPLS Pannel 11
12 MPLS Configration 事 例 (PE) router bgp no synchronization no bgp default ipv4 neighbor JANOG-MPLS peer-group neighbor JANOG-MPLS remote-as neighbor JANOG-MPLS update-source Loopback0 neighbor JANOG-MPLS send-community extended neighbor PE-2 peer-group JANOG-MPLS neighbor PE-3 peer-group JANOG-MPLS default-metric 100 no auto-summary 06/16/2000 JANOG6 MPLS Pannel 12
13 MPLS Configration 事 例 (PE) PE router 編 LDP(TDP)の 設 定 vrf(vpn Routing/Forwarding table)の 設 定 MP-iBGPの 設 定 address-family(ipv4 family(ipv4&vpnv4) vpnv4)の 設 定 06/16/2000 JANOG6 MPLS Pannel 13
14 MPLS Configration 事 例 (PE) address-family ipv4 vrf vpn1 neighbor CE-1 remote-as 1 neighbor CE-1 activate no auto-summary no synchronization exit-address-family address-family ipv4 vrf vpn1 redistribute static metric 100 no auto-summary no synchronization PE-CEでStaticを 使 用 する 場 合 exit-address-family address-family vpnv4 neighbor JANOG-MPLS activate neighbor JANOG-MPLS send-community extended neighbor CE-2 peer-group JANOG-MPLS neighbor CE-3 peer-group JANOG-MPLS default-metric 100 PE-CEでBGPを 使 用 する 場 合 no auto-summary 06/16/2000 JANOG6 MPLS Pannel 14 exit-address-family
15 MPLS Configration 事 例 (PE) cisco#sh run Building configuration... Current configuration: version 12.1 service timestamps debug uptime service timestamps log datetime localtime show-timezone service password-encryption hostname zebra test boot system flash slot0:c7200-p-mz s.bin boot system flash slot0:c7200-p-mz.121-1a.t1.bin logging console warnings logging monitor informational ip subnet-zero ip rcmd rsh-enable ip cef no ip finger no ip domain-lookup tag-switching ip ip vrf zebra rd 65501:111 route-target export 65501:111 route-target import 65501:111 clns routing interface Loopback0 ip address interface Fddi2/0 ip address secondary ip accounting mac-address input ip accounting mac-address output rate-limit output access-group rate-limit conform-action transmit exceed-action drop rate-limit output access-group rate-limit conform-action transmit exceed-action drop ip route-cache policy ip route-cache flow no ip mroute-cache ip policy route-map class no keepalive random-detect router bgp bgp redistribute-internal neighbor remote-as neighbor update-source FastEthernet3/0 neighbor send-community extended neighbor remote-as neighbor update-source FastEthernet3/0 neighbor send-community extended address-family ipv4 vrf zebra neighbor remote-as neighbor update-source FastEthernet3/0 neighbor activate neighbor send-community extended exit-address-family address-family vpnv4 neighbor activate neighbor send-community both exit-address-family 06/16/2000 JANOG6 MPLS Pannel 15
16 MPLS Configration 事 例 ( 新 機 能 ) 新 機 能 編 ASN Override Site of Origin 06/16/2000 JANOG6 MPLS Pannel 16
17 MPLS Configration 事 例 (ASN Override) PE-1 CE /32 ASN: 100 PE-2 CE /32 ip vrf odd rd 100:1 route-target export 100:3 route-target import 100:3 interface Serial1 ip vrf forwarding odd ip address router bgp 100 no synchronization no bgp default ipv4-unicast neighbor remote-as 100 neighbor update-source Loop0 neighbor activate neighbor next-hop-self no auto-summary address-family ipv4 vrf odd neighbor remote-as 250 neighbor activate neighbor as-override no auto-summary no synchronization exit-address-family address-family vpnv4 neighbor activate neighbor send-community extended no auto-summary exit-address-family ASN: 250 ASN: /16/2000 JANOG6 MPLS Pannel 17 参 考 :Cisco 社 資 料
18 MPLS Configration 事 例 (ASN Override) #sh ip bgp vpn all Network Next Hop Metric LocPrf Weight Path Route Distinguisher: 100:1 (default for vrf odd) *>i / i *> / i VPN-IPv4 update: RD: /32 AS_PATH: 250 PE-2 performs following actions: 1- Replace last ASN with its own ASN 2- Update AS_PATH with its own ASN 3- Forward the update to CE-2 PE-1 ASN: 100 PE-2 ebgp4 update: /32 AS_PATH: ebgp4 update: /32 AS_PATH: 250 CE / #sh ip b Network Next Hop Metric LocPrf Weight Path *> / i *> / i CE /32 ASN: 250 ASN: /16/2000 JANOG6 MPLS Pannel 18 参 考 :Cisco 社 資 料
19 MPLS Configration 事 例 ( 新 機 能 ) 新 機 能 編 ASN Override Site of Origin 06/16/2000 JANOG6 MPLS Pannel 19
20 MPLS Configration 事 例 (Site of Origin) Site /32 CE #sh ip route vrf odd C /24 is directly connected, Serial2 B [20/0] via , 00:08:44, Serial # #sh ip bgp vpn all Network Next Hop Metric LocPrf Weight Path Route Distinguisher: 100:1 (default for vrf odd) *> / i #sh ip bgp vpn all BGP routing table entry for 100:1: /32, version 17 Paths: (1 available, best #1) Advertised to non peer-group peers: from ( ) Origin IGP, metric 0, localpref 100, valid, external, best Extended Community: SoO:100:65 RT:100: # PE ip vrf odd rd 100:1 route-target export 100:3 route-target import 100:3 interface Serial1 ip vrf forwarding odd ip address router bgp 100 no synchronization no bgp default ipv4-unicast neighbor remote-as 100 neighbor update-source Loop0 neighbor activate neighbor next-hop-self no auto-summary address-family ipv4 vrf odd neighbor remote-as 250 neighbor activate neighbor route-map setsoo in no auto-summary no synchronization exit-address-family address-family vpnv4 neighbor activate neighbor send-community extended no auto-summary exit-address-family 06/16/2000 JANOG6 MPLS Pannel route-map setsoo permit 参 考 :Cisco 社 資 料 set extcommunity soo 100:65
21 MPLS Configration 事 例 (Site of Origin) VPN-IPv4 update: RD: /32, Next-hop=PE-1 SOO=100:65, RT=100:3, Label=(intCE1) PE-1 PE-2 intce1 ebgp4 update: /32 ebgp4 update: /32 PE-2 will not propagate the route since the update SOO is equal to the one configured for the site CE /32 Site-1 SOO=100:65 CE-2 06/16/2000 JANOG6 MPLS Pannel 21 参 考 :Cisco 社 資 料
22 Zebra MPLS-VPN support ** MPLS-VPN PE-RR support is added. New address family vpnv4 unicast is introduced. address-family vpnv4 unicast neighobr PEER activate network A.B.C.D rd RD tag TAG exit-address-family 06/16/2000 JANOG6 MPLS Pannel 22
23 Zebra MPLS-VPN support To make it route-reflector, please configure it under normal router bgp ASN. router bgp 7675 no bgp default ipv4-unicast bgp router-id bgp cluster-id neighbor remote-as neighbor route-reflector-client neighbor remote-as neighbor route-reflector-client neighbor remote-as neighbor route-reflector-client address-family vpnv4 unicast neighbor activate neighbor activate neighbor activate exit-address-family 06/16/2000 JANOG6 MPLS Pannel 23
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