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Alcatel-Lucent 7210 SAS M User Manual
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MP
LS
Com
m
ands
Page
134
7210 SAS
M, T
, X, R6
, Mxp MPLS Configurat
ion
Guide
shut
down
Synt
ax
[no] shut
down
Context
config>r
outer
>mpls
>mpls
-tp>tr
ansit-path
Desc
ription
Platforms Supported:
7210 SAS-T net
work mo
de and 7210
SAS-R6 d
evices.
This command administratively enab
les or disables an MPLS-TP transit path.
Default
no
shut
dow
n
133
135
Table of Contents
Default Chapter
3
Table of Contents
3
Preface
11
About this Guide
11
List of Technical Publications
12
Technical Support
13
Preface
15
Alcatel-Lucent 7210 SAS-M, X, T, R6, Mxp Router Configuration Process
15
Table 1: Configuration Process
15
G Etting S Tarted
15
MPLS and RSVP
17
Mpls
18
MPLS Label Stack
19
Figure 1: Label Placement
19
Table 2: Packet/Label Field Description
19
Figure 2: Label Packet Placement
20
Label Values
21
Label Switching Routers
22
LSP Types
22
Manual Bypass LSP
24
MPLS Fast Re-Route (FRR)
24
Figure 3: Bypass Tunnel Nodes
25
PLR Bypass LSP Selection Rules
25
Figure 4: FRR Node-Protection Example
27
FRR Node-Protection (Facility)
27
MPLS and RSVP
27
Uniform FRR Failover Time
27
Configuration Guidelines
28
MPLS Transport Profile (MPLS-TP)
29
MPLS-TP Model
30
Figure 5: MPLS-TP Model
30
MPLS-TP Provider Edge and Gateway
31
Figure 6: MPLS-TP Provider Edge and Gateway, VLL Services
31
VLL Services
31
Figure 7: MPLS-TP Provider Edge and Gateway, Spoke-SDP Termination on VPLS
32
Figure 8: MPLS-TP LSR
32
Detailed Descriptions of MPLS-TP
33
MPLS-TP Lsps
33
MPLS-TP on Pseudowires
33
MPLS-TP Maintenance Identifiers
34
Figure 9: MPLS-TP Maintenance Architecture
34
Figure 10: MPLS-TP LSP and Tunnel Information Model
35
Figure 11: MPLS-TP PW Information Model
36
Table 3: Mapping from RSVP-TE to MPLS-TP Maintenance Identifiers
36
Figure 12: Example Usage of PW Identifiers
37
Generic Associated Channel
37
Figure 13: Label for LSP and PW G-Ach Packets
38
MPLS-TP Operations, Administration and Maintenance (OAM)
38
On-Demand Connectivity Verification (CV) Using LSP-Ping
38
Proactive CC, CV and RDI
40
Table 4: Address Types for the Downstream Mapping TLV
40
Figure 14: BFD Used for Proactive CC on MPLS-TP LSP
41
Figure 15: BFD Used for Proactive CV on MPLS-TP LSP
41
BFD-Based RDI
42
PW Control Channel Status Notifications (Static Pseudowire Status Signaling)
42
MPLS-TP LSP Protection
44
Pseudowire Redundancy and Active / Standby Dual Homing
44
Figure 16: Normal Operation
45
Figure 17: Failed Condition
46
Figure 18: Failed Condition - Switching at a
46
Configuring MPLS-TP
47
Figure 19: Failed Condition - Switching at Z
47
Configuration Overview
48
Node-Wide MPLS-TP Parameter Configuration
48
Node-Wide MPLS-TP Identifier Configuration
49
Static LSP and Pseudowire (VC) Label and Tunnel Ranges
50
Interface Configuration for MPLS-TP
51
LER Configuration for MPLS-TP
52
LSP and Path Configuration
52
Proactive CC/CV (Using BFD) Configuration
55
Protection Templates and Linear Protection Configuration
57
Intermediate LSR Configuration for MPLS-TP Lsps
58
Rsvp
60
Figure 20: Establishing Lsps
60
MPLS and RSVP
61
Figure 21: LSP Using RSVP Path Set up
61
Using RSVP for MPLS
62
RSVP Traffic Engineering Extensions for MPLS
62
Hello Protocol
62
MD5 Authentication of RSVP Interface
63
Reservation Styles
64
RSVP Message Pacing
64
RSVP Overhead Refresh Reduction
65
Configuring Implicit Null
66
Traffic Engineering
67
TE Metric (IS-IS and OSPF)
68
Maintenance of te Links and Nodes
68
Advanced MPLS/RSVP Features
69
Shared Risk Link Groups
70
Enabling Disjoint Backup Paths
70
Figure 22: Shared Risk Link Groups
72
Static Configurations of SRLG Memberships
73
TE Graceful Shutdown
74
MPLS Service Usage
75
Figure 23: MPLS and RSVP Configuration and Implementation Flow
76
MPLS/RSVP Configuration Process Overview
76
Configuration Notes
77
Configuring MPLS and RSVP with CLI
79
MPLS Configuration Overview
80
Lsps
80
Paths
80
Router Interface
81
Choosing the Signaling Protocol
81
Basic MPLS Configuration
82
Common Configuration Tasks
83
Configuring MPLS Components
84
Configuring Global MPLS Parameters
84
Configuring an MPLS Interface
85
Configuring MPLS Paths
86
Configuring an MPLS LSP
87
Configuring a Static LSP
88
Configuring Manual Bypass Tunnels
89
Configuring RSVP Parameters
91
Configuring RSVP Message Pacing Parameters
92
Configuring Graceful Shutdown
93
MPLS Configuration Management Tasks
94
Modifying MPLS Parameters
94
Modifying an MPLS LSP
95
Modifying MPLS Path Parameters
96
Modifying MPLS Static LSP Parameters
97
Deleting an MPLS Interface
98
RSVP Configuration Management Tasks
99
Modifying RSVP Parameters
99
Modifying RSVP Message Pacing Parameters
100
Deleting an Interface from RSVP
100
MPLS/RSVP Command Reference
101
Command Hierarchies
101
MPLS Commands
101
MPLS LSP Commands
104
MPLS Path Commands
106
MPLS-TP LSP Commands (Supported on 7210 SAS-R6 and 7210 SAS-T)
106
RSVP Commands
107
Show Commands
108
Clear Commands
109
Tools Commands
109
Debug Commands
110
MPLS-TP Commands (Supported on 7210 SAS-R6 and 7210 SAS-T Network Mode Devices)
126
Interface Commands
167
Label Distribution Protocol
219
Label Distribution Protocol
220
LDP and MPLS
220
LDP Architecture
221
Subsystem Interrelationships
222
Figure 24: Subsystem Interrelationships
222
Label Manager
223
LDP Configuration
223
Logger
223
Memory Manager and LDP
223
Service Manager
223
Execution Flow
224
Initialization
224
Session Establishment
224
Session Lifetime
224
Label Exchange
225
Cleanup
225
Other Reasons for Label Actions
225
LDP Filters
226
ECMP Support for LDP
227
Label Operations
227
Link LDP
228
Targeted LDP
228
Table 5: Triggering Events and the Associated Priority
230
LDP over RSVP Tunnels
233
Figure 25: LDP over RSVP Application
233
Figure 26: LDP over RSVP Application Variant
235
Signaling and Operation
236
Rerouting Around Failures
238
Configuring Implicit Null Label
239
T-LDP Session Tracking Using BFD
239
Configuration
240
LDP Downstream-On-Demand (Dod)
241
Single-Hop LDP Dod Procedures
241
LDP over RSVP and ECMP
242
LDP Fast-Reroute for IS-IS and OSPF Prefixes
242
LDP FRR Configuration
243
Reducing the Scope of the LFA Calculation by SPF
243
LDP FRR Procedures
244
Link LDP Hello Adjacency Tracking with BFD
245
ECMP Considerations
246
Figure 27: Topology with Primary and LFA Routes
247
IS-IS and OSPF Support for Loop-Free Alternate Calculation
247
Figure 28: Example Topology with Broadcast Interfaces
248
Multi-Area and Multi-Instance Extensions to LDP
250
LDP Process Overview
251
Figure 29: LDP Configuration and Implementation
252
Configuring LDP with CLI
253
LDP Configuration Overview
254
Basic LDP Configuration
255
Common Configuration Tasks
256
Enabling LDP
256
Configuring Graceful-Restart Helper Parameters
257
Applying Export and Import Policies
258
Targeted Session Parameters
260
Interface Parameters
262
Peer Parameters
263
LDP Signaling and Services
264
LDP Configuration Management Tasks
265
Disabling LDP
265
Modifying Targeted Session Parameters
266
Modifying Interface Parameters
267
LDP Command Reference
269
Command Hierarchies
269
LDP Commands
269
Show Commands
270
Clear Commands
271
Debug Commands
271
Standards and Protocol Support
315
Index
321
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Alcatel-Lucent 7210 SAS M Specifications
General
Brand
Alcatel-Lucent
Model
7210 SAS M
Category
Switch
Language
English
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