Overview - Cisco ASR 5000 Series Administration Manual
Staros release 21.4
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- Product overview (992 pages) ,
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Routing
Overview
A BFD Configuration mode CLI command configures BFD interactions with the linkagg task. Once a session
is configured, BFD creates per member link BFD sessions and starts sending packets on each of the linkagg
member links. If a member link BFD session fails, StarOS notifies failures to the linkagg task.
Figure 19: BFD Interactions
If you define a linkagg-peer using a slot number, you may configure a linkagg-peer for a redundant LC (Line
Card) slot which must also specify a slot in its member-link configuration. Likewise, if you configure a
linkagg-peer without a slot, you must delete it before configuring a peer with a slot specified.
Only one IPv4 or IPv6 BFD session-based configuration is allowed per linkagg interface for compliance
Important
with RFC 7130.
Configuring Support for BFD Linkagg Member-links
The bfd linkagg-peer command enables member-link BFD and configures the BFD link aggregation (linkagg)
session values [RFC 7130].
configure
context context_name
bfd-protocol
BFD Support for Link Aggregation Member Links
ASR 5500 System Administration Guide, StarOS Release 21.4
295
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Troubleshooting
