MPLS Basic Configuration Guide, Cisco IOS XE 17 (NCS 4200 Series)
Bias-Free Language
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- Updated:
- November 30, 2020
Chapter: Feature History
Feature History
The following table lists the new and modified features supported in the MPLS Basic Configuration Guide in Cisco IOS XE 17 releases, on Cisco NCS 4201 and Cisco NCS 4202 routers.
| Feature | Description |
|---|---|
|
Cisco IOS XE Bengaluru 17.4.1 |
|
|
Re-optimization with Tunnel Bandwidth Modification on Flex-LSP Protect Path |
This feature supports Make Before Break (MBB) functionality and thus ensures there is no traffic loss when a MPLS Flex LSP tunnel runs on protect LSP (if working LSP goes down) and the tunnel bandwidth is modified. When the working LSP comes up, use the following command to manually switch from the working to protect LSP: mpls traffic-eng switch tunnel tunnel-ID |
The following table lists the new and modified features supported in the MPLS Basic Configuration Guide in Cisco IOS XE 17 releases, on Cisco NCS 4206 and Cisco NCS 4216 routers.
| Feature | Description |
|---|---|
|
Cisco IOS XE Bengaluru 17.4.1 |
|
|
Re-optimization with Tunnel Bandwidth Modification on Flex-LSP Protect Path |
This feature supports Make Before Break (MBB) functionality and thus ensures there is no traffic loss when a MPLS Flex LSP tunnel runs on protect LSP (if working LSP goes down) and the tunnel bandwidth is modified. When the working LSP comes up, use the following command to manually switch from the working to protect LSP: mpls traffic-eng switch tunnel tunnel-ID |
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