SR-MPLS Policy Support
Capability |
Notes |
---|---|
PCE-initiated policies (provisioned or discovered by Crosswork) |
— |
PCC-initiated polices (discovered by Crosswork) |
— |
SR-MPLS On-Demand Next Hop (ODN) policies discovered by Crosswork |
— |
Single consistent Segment Routing Global Block (SRGB) configured on routers throughout domain covered by Crosswork |
If index SIDs are used and there are different SRGB bases along a path of a policy, the label can change along the path. |
Prefix SID |
— |
Adjacency SID |
— |
EPE adjacency SID |
— |
Protected and Unprotected adjacency SIDs |
— |
Regular and Strict prefix SIDs |
— |
SR-MPLS policy optimization objective min-metric (IGP, TE, and Latency) |
— |
SR-MPLS policy path constraints (affinity and disjointness) |
Only 2 SR-MPLS policies per disjoint group or sub-id are supported |
Binding SID for explicit or dynamic policies |
— |
Profile ID |
— |
Description |
Notes |
---|---|
Provisioning multiple candidate paths via Crosswork |
These paths are not discovered if configured on PCC. Crosswork does not support configuration of these paths. |
Weighted Equal-Cost Multipath (WECMP) |
— |
Multiple segment lists per candidate path |
|
Visualization of multiple candidate paths |
Only the current active path can be seen in the UI. |
Binding SIDs as Segment List Hops |
— |
SR IGP Flexible Algorithm (Flex Algo) |
— |
Anycast SIDs |
— |
Hop count metric type for policies |
Cisco Crosswork does not support provisioning with this metric type and does not discover this metric type if configured on the PCC |
Routers that are not SR-capable |
The assumption is that all routers discovered by Cisco Crosswork are SR-capable |
SR-MPLS policies with Loopback IPs other than TE router ID for headend/endpoint and prefix SIDs in segment list |
For more information, see the "Onboard and Manage Devices" chapter in the Cisco Crosswork Infrastructure and Applications Administration Guide. |
SR-MPLS policy provisioned with IPv6 endpoints/hops |
— |
SRv6 |
Only 2 SR-TE policies per disjoint group/sub-id |
SR-MPLS policy optimization objective min-metric with margin |
Not supported for policies provisioned by Cisco Crosswork. Margin is not discovered for PCC-initiated policies. |
SR-MPLS policy constraints (resource exclusion or metric bound) |
Not supported for policies provisioned by Cisco Crosswork. Constraints are not discovered for PCC-initiated policies. |