3Com MSR 50 Series, Руководство по настройке

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1396 C
HAPTER
77: MPLS TE C
ONFIGURATION
Perform the display mpls te cspf tedb all command on Router A to view
information about links in TEDB.
[RouterA] display mpls te cspf tedb all
Maximum Node Supported: 128 Maximum Link Supported: 256
Current Total Node Number: 4 Current Total Link Number: 6
Id MPLS LSR-Id IGP Process-Id Area Link-Count
1 3.3.3.9 ISIS 1 Level-2 2
2 2.2.2.9 ISIS 1 Level-2 2
3 4.4.4.9 ISIS 1 Level-2 1
4 1.1.1.9 ISIS 1 Level-2 1
8
Create a static route for routing MPLS TE tunnel traffic
[RouterA] ip route-static 4.4.4.9 32 tunnel 1 preference 1
Perform the display ip routing-table command on Router A. You can find a
static route entry with interface Tunnel1 as the outgoing interface.
RSVP-TE GR
Configuration Example
Network requirements
■
Router A, Router B and Router C are running IS-IS. All of them are Level-2
devices and support RSVP hello extension.
■
Use RSVP-TE to create a TE tunnel from Router A to Router C.
■
Router A, Router B and Router C are RSVP-TE neighbors. With GR capability,
each of them can provide GR helper support when another is GR restarting.
Network diagram
Figure 392 Configure RSVP-TE GR
Configuration procedure
1
Assign IP addresses and masks to interfaces (see Figure 392 )
Omitted
2
Enable IS-IS to advertise host routes with LSR IDs as destinations
Omitted
3
Configure MPLS TE basic capabilities, and enable RSVP-TE and RSVP hello
extension
# Configure Router A.
<RouterA> system-view
[RouterA] mpls lsr-id 1.1.1.9
[RouterA] mpls
[RouterA-mpls] mpls te
Router A Router B Router C
Loop 0
1.1.1.9 /32
Loop 0
2.2 .2.9/32
Loop 0
3.3.3.9/32
Eth1/0
10.1.1 .1/24
Eth1/1
20.1.1.1 /24
Eth1/0
10.1.1.2 /24
Eth1 /0
20.1.1 .2/24