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Implementing EIGRP on Cisco IOS XR Software
Prerequisites for Implementing EIGRP on Cisco IOS XR Software
RC-136
Cisco IOS XR Routing Configuration Guide
OL-14356-01
• Information About Implementing EIGRP on Cisco IOS XR Software, page RC-136
• How to Implement EIGRP on Cisco IOS XR Software, page RC-148
• Configuration Examples for Implementing EIGRP on Cisco IOS XR Software, page RC-166
• Additional References, page RC-168
Prerequisites for Implementing EIGRP on Cisco IOS XR Software
The following are prerequisites for implementing EIGRP on Cisco IOS XR software:
• You must be in a user group associated with a task group that includes the proper task IDs for EIGRP
commands. For detailed information about user groups and task IDs, see the Configuring AAA
Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration
Guide.
Restrictions for Implementing EIGRP on Cisco IOS XR Software
The following restrictions are employed when running EIGRP on this version of
Cisco IOS XR software:
• Only one instance of an EIGRP process is supported.
• Bidirectional Forwarding Detection (BFD) feature and the Simple Network Management Protocol
(SNMP) MIB are not supported.
• Interface static routes are not automatically redistributed into EIGRP, because there are no network
commands.
• Metric configuration (either through the default-metric command or a route policy) is required for
redistribution of connected and static routes.
• Auto summary is disabled by default.
• Stub leak maps are not supported.
• Authentication is not supported.
Information About Implementing EIGRP on Cisco IOS XR
Software
To implement EIGRP, you need to understand the following concepts:
• EIGRP Functional Overview, page RC-137
• EIGRP Features, page RC-137
• EIGRP Components, page RC-138
• EIGRP Configuration Grouping, page RC-139
• EIGRP Configuration Modes, page RC-139
• Metric Weights for EIGRP Routing, page RC-141
• Percentage of Link Bandwidth Used for EIGRP Packets, page RC-142