在Juniper中链路标记属性用来管理路径,可以让数据流量从指定的路径走。 实验拓扑如下:
管理组名字可以不一样,但是后面跟的数字要一样。比如说red 8
[edit logical-systems r1 protocols mpls]
junos@Olive# show
admin-groups {
blue 4;
red 8;
}
label-switched-path to-r3 {
to 3.3.3.3;
install 3.3.3.3/32 active;
admin-group {
include-all blue;
exclude red;
}
}
interface all;
interface em1.13 {
admin-group red;
}
interface em1.16 {
admin-group blue;
}
interface em1.12 {
admin-group red;
}
[edit logical-systems r3]
junos@Olive# show rpo
^
syntax error.
junos@Olive# show protocols mpls
admin-groups {
blue 4;
red 8;
}
interface all;
interface em2.13 {
admin-group red;
}
interface em2.36 {
admin-group red;
}
interface em2.35 {
admin-group blue;
}
interface em2.37 {
admin-group red;
}
[edit logical-systems r5 protocols mpls]
junos@Olive# show
admin-groups {
blue 4;
red 8;
}
interface all;
interface em1.57 {
admin-group blue;
}
interface em1.35 {
admin-group blue;
}
[edit logical-systems r6 protocols mpls]
junos@Olive# show
admin-groups {
blue 4;
red 8;
}
interface all;
interface em2.16 {
admin-group blue;
}
interface em1.36 {
admin-group red;
}
interface em1.67 {
admin-group blue;
}
[edit logical-systems r7 protocols mpls]
junos@Olive# show
admin-groups {
blue 4;
red 8;
}
interface all;
interface em2.67 {
admin-group blue;
}
interface em1.37 {
admin-group red;
}
interface em2.57 {
admin-group blue;
}
[edit logical-systems r7 protocols mpls]
junos@Olive# run show mpls interface logical-system r1
Interface State Administrative groups
em1.12 Up red
em1.13 Up red
em1.16 Up blue
junos@Olive# run show ted database extensive logical-system r1
在MPLS中一个接口可以属于多个管理组,因为可以建立多个隧道
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