github.com/ligato/vpp-agent

Motive for this minor release was updated VPP with several fixed bugs from the previous version. The VPP version also introduced new interface statistics mechanism, thus the stats processing was updated in the interface plugin.

Compatibility

• v19.01-16~gd30202244
• cn-infra v1.7
• GO 1.11

Bug Fixes

• VPP bug: fixed crash when attempting to run in kubernetes pod
• VPP bug: fixed crash in barrier sync when vlib_worker_threads is zero

Features

• [vpp-ifplugin][vpp-interface-plugin]
  • Support for new VPP stats (the support for old ones were deprecated by the VPP, thus removed from the vpp-agent as well).

<a name="v1.8.0"></a>

Compatibility

• VPP v18.04 (ac2b736)
• cn-infra v1.3

Bug Fixes

• Fixed case where the creation of the Linux route with unreachable gateway threw an error. The route is now appropriately cached and created when possible.
• Fixed issue with GoVPP channels returning errors after a timeout.
• Fixed various issues related to caching and resync in L2 cross-connect
• Split horizon group is now correctly assigned if an interface is created after bridge domain
• Fixed issue where the creation of FIB while the interface was not a part of the bridge domain returned an error.

Known issues

• VPP crash may occur if there is interface with non-default VRF (>0). There is an [VPP-1280][vpp-issue-1280] issue created with more details

Features

• [Consul][consul]
  • Consul is now supported as a key-value store alternative to ETCD. More information in the [readme][readme].
• [Telemetry][vpp-telemetry]
  • New plugin for collecting telemetry data about VPP metrics and serving them via HTTP server for Prometheus. More information in the [readme][readme].
• [Ipsecplugin][vpp-ipsec-plugin]
  • Now supports tunnel interface for encrypting all the data passing through that interface.
• GRPC
  • Vpp-agent itself can act as a GRPC server (no need for external executable)
  • All configuration types are supported (incl. Linux interfaces, routes and ARP)
  • Client can read VPP notifications via vpp-agent.
• [SR plugin][sr-plugin]
  • New plugin with support for Segment Routing. More information in the [readme][readme].

Improvements

• [ifplugin][vpp-interface-plugin]
  • Added support for self-twice-NAT
• vpp-agent-grpc executable merged with [vpp-agent][vpp-agent] command.
• [govppmux][govppmux-plugin]
  • configure reply timeout can be configured.
  • Support for VPP started with custom shared memory prefix. SHM may be configured via the GoVPP plugin config file. More info in the [readme][readme]
  • Overall redundancy cleanup and corrected naming for all proto models.
  • Added more unit tests for increased coverage and code stability.

Documentation

• [localclient_linux][examples-vpp-local] now contains two examples, the old one demonstrating basic plugin functionality was moved to plugin package, and specialised example for [NAT][examples-nat] was added.
• [localclient_linux][examples-linux-local] now contains two examples, the old one demonstrating [veth][examples-veth] interface usage was moved to package and new example for linux [tap][examples-tap] was added.

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