Configuring Flex Lsp Sticky Option; Verifying The Flex Lsp Sticky Option - Cisco ASR 900 Series Manual

Flex LSP Overview
Use the following command in EXEC mode to manually trigger rerouting the sticky primary and protect path
to override the sticky behavior:
mpls traffic-eng reroute {Tunnel <num>}
Router# mpls traffic-eng ?
fast-reroute
reoptimize
reroute
setup-timer
Restrictions
• A primary or protect path becomes sticky if the LSP is connected.
• If the path is for Flex LSP tunnel, the LSP must be bi-directionally connected.
• If BFD is configured, the LSP must be BFD connected.

Configuring Flex LSP Sticky Option

Both ends of a Flex LSP tunnel must have the same sticky configuration.
Note
!
interface Tunnel1000
ip unnumbered Loopback0
tunnel mode mpls traffic-eng
tunnel destination 56.6.6.6
tunnel mpls traffic-eng autoroute announce
tunnel mpls traffic-eng priority 7 7
tunnel mpls traffic-eng bandwidth 200
tunnel mpls traffic-eng path-option 10 dynamic lockdown sticky
tunnel mpls traffic-eng path-option protect 10 diverse non-revertive lockdown
tunnel mpls traffic-eng bidirectional association id 1000 source-address 55.5.5.5
global-id 1000
tunnel mpls traffic-eng bidirectional association type co-routed fault-oam wrap-protection
end

Verifying the Flex LSP Sticky Option

Router# show mpls traffic-eng tunnels tunnel 1000 detail
Name: asr167_t1000
Status:
Admin: up
path option 10, (LOCKDOWN & STICKY) type dynamic (Basis for Setup, path weight 4)
Path Protection: 0 Common Link(s), 0 Common Node(s)
path protect option 10, (LOCKDOWN & STICKY) type diverse (Basis for Protect, path weight
8)
Lockout Info:
Locked Out: No
Config Parameters:
Bandwidth: 200
Metric Type: TE (default)
Path-selection Tiebreaker:
Global: not set
Hop Limit: disabled
Cost Limit: disabled
Path-invalidation timeout: 10000 msec (default), Action: Tear
AutoRoute: enabled
auto-bw: disabled
Association Type: Single Sided Bidirectional LSPs, Co-routed: YES
Association ID: 1000, Source: 56.6.6.6, Global ID: 1000
fast-reroute command
reoptimize traff-eng tunnels
allow traff-eng tunnels with sticky path to reroute
set up timer expiration
Oper: up Path: valid
kbps (Global)
Tunnel Specific: not set
LockDown(Sticky): enabled
MPLS Basic Configuration Guide, Cisco IOS XE Everest 16.5.1 (Cisco ASR 900 Series)
(Tunnel1000) Destination: 54.4.4.4
Signalling: connected
Priority: 7 7 Affinity: 0x0/0xFFFF
Effective: min-fill (default)
Loadshare: 200 [10000000] bw-based
Flex LSP Sticky
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