AR28/AR46系列路由器L2VPN-CCC典型配置
【需求】
CE-A的S2/0/0和CE-B的S2/0/0之间建立一条本地的CCC连接,CE-A的S2/0/1和CE-C的S2/0/0建立一条远程的CCC连接。
【组网图】
【配置脚本】
CE-A配置脚本
#
sysname CE-A
#
radius scheme system
#
domain system
#
interface Serial2/0/0
link-protocol ppp
ip address 192.168.11.1 255.255.255.0
#
interface Serial2/0/1
link-protocol ppp
ip address 192.168.21.1 255.255.255.0
#
interface NULL0
#
user-interface con 0
user-interface vty 0 4
#
return
CE-B配置脚本
#
sysname CE-B
#
radius scheme system
#
domain system
#
interface Serial2/0/0
link-protocol ppp
ip address 192.168.11.2 255.255.255.0
#
interface NULL0
#
user-interface con 0
user-interface vty 0 4
#
return
PE-A配置脚本
#
sysname PE-A
#
router id 1.1.1.1
#
mpls lsr-id 1.1.1.1
#
mpls l2vpn /启用MPLS L2VPN/
#
radius scheme system
#
mpls
static-lsp ingress PEA-PEB l2vpn outgoing-interface Serial2/0/3 out-label 100
/配置用于l2vpn的静态LSP/
static-lsp egress PEB-PEA l2vpn incoming-interface Serial2/0/3 in-label 201
/配置用于l2vpn的静态LSP/
#
domain system
#
interface Serial2/0/0
link-protocol ppp
#
interface Serial2/0/1
link-protocol ppp
#
interface Serial2/0/2
link-protocol ppp
#
interface Serial2/0/3
link-protocol ppp
ip address 10.0.0.1 255.255.255.252
mpls
#
interface NULL0
#
interface LoopBack0
ip address 1.1.1.1 255.255.255.255
#
ccc local-to-CEB interface Serial2/0/0 out-interface Serial2/0/2
/创建CCC本地连接/
ccc remote-to-CEC interface Serial2/0/1 transmit-lsp PEA-PEB receive-lsp PEB-PEA
/创建CCC远程连接/
#
user-interface con 0
user-interface vty 0 4
#
return
P配置脚本
#
sysname P
#
router id 2.2.2.2
#
mpls lsr-id 2.2.2.2
#
mpls l2vpn /启用MPLS L2VPN/
#
radius scheme system
#
mpls
static-lsp transit PEA-PEB l2vpn incoming-interface Serial2/0/0 in-label 100 outgoing-interface Serial2/0/1 out-label 101
/配置用于l2vpn的静态LSP/
static-lsp transit PEB-PEA l2vpn incoming-interface Serial2/0/1 in-label 200 outgoing-interface Serial2/0/0 out-label 201
/配置用于l2vpn的静态LSP/
#
domain system
#
interface Serial2/0/0
link-protocol ppp
ip address 10.0.0.2 255.255.255.252
mpls
#
interface Serial2/0/1
link-protocol ppp
ip address 10.0.0.5 255.255.255.252
mpls
#
interface NULL0
#
interface LoopBack0
ip address 2.2.2.2 255.255.255.255
#
user-interface con 0
user-interface vty 0 4
#
return
PE-B配置脚本
#
sysname PE-B
#
router id 3.3.3.3
#
mpls lsr-id 3.3.3.3
#
mpls l2vpn /启用MPLS L2VPN/
#
#
radius scheme system
#
mpls
static-lsp ingress PEB-PEA l2vpn outgoing-interface Serial2/0/0 out-label 200
/配置用于l2vpn的静态LSP/
static-lsp egress PEA-PEB l2vpn incoming-interface Serial2/0/0 in-label 101
/配置用于l2vpn的静态LSP/
#
domain system
#
interface Serial2/0/0
link-protocol ppp
ip address 10.0.0.6 255.255.255.252
mpls
#
interface Serial2/0/1
link-protocol ppp
#
interface NULL0
#
interface LoopBack0
ip address 3.3.3.3 255.255.255.255
#
ccc remote-to-CEA interface Serial2/0/1 transmit-lsp PEB-PEA receive-lsp PEA-PEB
/创建CCC远程连接/
#
user-interface con 0
user-interface vty 0 4
#
return
CE-C配置脚本
#
sysname CE-C
#
radius scheme system
#
domain system
#
interface Serial2/0/0
link-protocol ppp
ip address 192.168.21.2 255.255.255.0
#
interface NULL0
#
user-interface con 0
user-interface vty 0 4
#
return
【验证】
查看PE-A的CCC连接状态:
<PE-A>disp ccc
total connections : 2
local connections : 1, 1 up
remote connections : 1, 1 up
name: local-to-CEB, type: local, state: up,
intf1: Serial2/0/0 (up), intf2: Serial2/0/2 (up)
name: remote-to-CEC, type: remote, state: up,
intf: Serial2/0/1 (up), tran-lsp: PEA-PEB (up), rcv-lsp: PEB-PEA (up)
查看PE-A的静态LSP:
<PE-A>disp mpls lsp
-----------------------------------------------------------------------
LSP Information: Static Lsp
-----------------------------------------------------------------------
TOTAL: 2 Record(s) Found.
NO FEC NEXTHOP I/O-LABEL OUT-INTERFACE
1 0.0.0.0/0 ------- -----/100 S2/0/3
2 -------/-- ------- 201/----- -------
查看P的静态LSP:
<P>disp mpls lsp
-----------------------------------------------------------------------
LSP Information: Static Lsp
-----------------------------------------------------------------------
TOTAL: 2 Record(s) Found.
NO FEC NEXTHOP I/O-LABEL OUT-INTERFACE
1 -------/-- ------- 100/101 S2/0/1
2 -------/-- ------- 200/201 S2/0/0
查看PE-B的静态LSP:
<PE-B>disp mpls lsp
-----------------------------------------------------------------------
LSP Information: Static Lsp
-----------------------------------------------------------------------
TOTAL: 2 Record(s) Found.
NO FEC NEXTHOP I/O-LABEL OUT-INTERFACE
1 0.0.0.0/0 ------- -----/200 S2/0/0
2 -------/-- ------- 101/----- -------
【提示】
1、CCC是Circuit Cross Connect(电路交叉连接)的缩写,是通过配置静态LSP来实现MPLS L2VPN的一种方式。
2、必须逐一在每个节点上(包括PE、P)单独为每一个CCC连接手工配置两条LSP(两个方向各一条),这两条LSP将只能用于传递这个CCC连接的数据,不能用于其他MPLS L2VPN连接,也不能用于BGP/MPLS VPN或承载普通的IP报文。
3、CCC方式只有一层标签。
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