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Configuring Groups to Support Routing Matrix Components

For easy maintenance of chassis in a routing matrix, you can add a configuration group for each Routing Engine in the T640 routing nodes and TX Matrix platform. The configuration groups added to the TX Matrix platform configuration offer a simple way to establish hostnames, management interfaces, and default routes. In the example below, groups re0 and re1 refer to the TX Matrix platform Routing Engines, while groups lcc0-re0 and lcc0-re1 refer to the Routing Engines on T640 routing node LCC0. To configure groups for the TX Matrix platform, include the re0 and re1 statements at the [edit groups] hierarchy level. To configure groups for the T640 routing nodes, include the lccnumber-re0 and lccnumber-re1 statements at the [edit groups] hierarchy level.

[edit]
groups {
re0 {
system {
host-name hostname-scc-re0;
backup-router ip-address;
}
interfaces {
fxp0 {
unit 0 {
family inet {
address ip-address;
}
}
}
}
}
re1 {
system {
host-name hostname-scc-re1;
backup-router ip-address;
}
interfaces {
fxp0 {
unit 0 {
family inet {
address ip-address;
}
}
}
}
}
lcc0-re0 {
system {
host-name hostname-lcc0-re0;
backup-router ip-address;
}
interfaces {
fxp0 {
unit 0 {
family inet {
address ip-address;
}
}
}
}
}
lcc0-re1 {
system {
host-name hostname-lcc0-re1;
backup-router ip-address;
}
interfaces {
fxp0 {
unit 0 {
family inet {
address ip-address;
}
}
}
}
}
}
apply-groups [ re0 re1 lcc0-re0 lcc0-re1 ];

Note that apply groups can be nested. For example, any configuration statements that are common to lcc0-re0 and lcc0-re1 can be put into a separate group and then added as an apply group to the lcc0-re0 and lcc0-re1 groups, which in turn are applied to the main configuration.

For more information about configuration groups, see the JUNOS CLI User Guide.

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