Monitor and troubleshoot
Documents under this category describe tools that can help you monitor, diagnose, and troubleshoot SR Linux software. This section also includes Log Event documentation to help you interpret log messages generated by SR Linux software.
- Event Handler Guide
  This document describes the functionality and configuration for the event handler framework on the Nokia Service Router Linux (SR Linux).
- Log Events Guide
  This document provides guidance for operators to interpret log events for the Nokia Service Router Linux (SR Linux).
- Troubleshooting Toolkit
  This document describes how to use and configure diagnostic tools for the Nokia Service Router Linux (SR Linux).

evpn

ethernetsegmentNetworkInstanceBgpInstanceDfStatusChanged

Table 1. ethernetsegmentNetworkInstanceBgpInstanceDfStatusChanged properties
Property name	Value
Application name	evpn
Event name	ethernetsegmentNetworkInstanceBgpInstanceDfStatusChanged
Default severity	notice
Message format string	BGP-EVPN attachment circuit on ethernet segment ethernet-segment on network instance network-instance and bgp instance bgp-instance is now a designated-forwarding-status.
Cause	This event is generated when there is a change in the ethernet segment attachment circuit designated forwarder state.
Effect	The forwarding state of the ethernet segment attachment circuit is changed.

ethernetsegmentPreferenceOperValueChanged

Table 2. ethernetsegmentPreferenceOperValueChanged properties
Property name	Value
Application name	evpn
Event name	ethernetsegmentPreferenceOperValueChanged
Default severity	notice
Message format string	The Oper DF preference value changed to oper-preference and/or the DP value changed to do-not-preempt on ethernet-segment ethernet-segment
Cause	This event is generated when there is a change in the ethernet segment operational preference value or the do not preempt value.
Effect	The designated forwarder state of the ethernet segment's attachment circuit might change.

evpnAutoDiscoveryEviRouteAddDroppedDueToUnexpectedEthTag

Table 3. evpnAutoDiscoveryEviRouteAddDroppedDueToUnexpectedEthTag properties
Property name	Value
Application name	evpn
Event name	evpnAutoDiscoveryEviRouteAddDroppedDueToUnexpectedEthTag
Default severity	warning
Message format string	BGP-EVPN Auto Discovery Evi route received with route-distinguisher route-distinguisher and ethernet segment identifier ethernet-segment-id add on network instance network-instance and bgp instance bgp-instance is dropped because the Ethernet Tag Identifier received-ethernet-tag received in the route, does not match locally configured Ethernet Tag Identifier local-ethernet-tag on the bgp-instance
Cause	This event is generated when a received Ethernet Tag Identifier does not match the one configured locally on the bgp-instance in the network instance
Effect	The designated forwarder election on this ethernet-segment-id for this EVI will be affected. The mac-address's on this ethernet-segment will not be programmed in the bridge-table

evpnAutoDiscoveryEviRouteWithdrawDroppedDueToUnexpectedEthTag

Table 4. evpnAutoDiscoveryEviRouteWithdrawDroppedDueToUnexpectedEthTag properties
Property name	Value
Application name	evpn
Event name	evpnAutoDiscoveryEviRouteWithdrawDroppedDueToUnexpectedEthTag
Default severity	warning
Message format string	BGP-EVPN Auto Discovery Evi route received with route-distinguisher route-distinguisher and ethernet segment identifier ethernet-segment-id delete on network instance network-instance and bgp instance bgp-instance is dropped because the Ethernet Tag Identifier received-ethernet-tag received in the route, does not match locally configured Ethernet Tag Identifier local-ethernet-tag on the bgp-instance
Cause	This event is generated when a received Ethernet Tag Identifier does not match the one configured locally on the bgp-instance in the network instance
Effect	The designated forwarder election on this ethernet-segment-id for this EVI will be affected. The mac-address's on this ethernet-segment if programmed in the bridge-table, will not be deleted or updated

evpnAutoDiscoveryEviRouteWithdrawnDueToUnexpectedVni

Table 5. evpnAutoDiscoveryEviRouteWithdrawnDueToUnexpectedVni properties
Property name	Value
Application name	evpn
Event name	evpnAutoDiscoveryEviRouteWithdrawnDueToUnexpectedVni
Default severity	warning
Message format string	BGP-EVPN Auto Discovery Evi route received with route-distinguisher route-distinguisher and ethernet segment identifier ethernet-segment-id on network instance network-instance and bgp instance bgp-instance is withdrawn because the VXLAN Network Identifier received-vni received in the route, does not match locally configured VXLAN Network Identifier local-vni on the bgp-instance
Cause	This event is generated when a received VXLAN Network Identifier does not match the one configured locally on the bgp-instance in the network instance
Effect	The designated forwarder election on this ethernet-segment-id for this EVI will be affected. The mac-address's on this ethernet-segment will not be programmed in the bridge-table

evpnInclMcastRouteAddDroppedDueToUnexpectedEthTag

Table 6. evpnInclMcastRouteAddDroppedDueToUnexpectedEthTag properties
Property name	Value
Application name	evpn
Event name	evpnInclMcastRouteAddDroppedDueToUnexpectedEthTag
Default severity	warning
Message format string	BGP-EVPN Inclusive Multicast route received with route-distinguisher route-distinguisher and originating IP originating-ip-address add on network instance network-instance and bgp instance bgp-instance is dropped because the Ethernet Tag Identifier received-ethernet-tag received in the route, does not match locally configured Ethernet Tag Identifier local-ethernet-tag on the bgp-instance
Cause	This event is generated when a received Ethernet Tag Identifier does not match the one configured locally on the bgp-instance in the network instance
Effect	The Virtual Tunnel End Point for the received VXLAN Network Identifier is not programmed in the multicast flood list of bridge-table

evpnInclMcastRouteWithdrawDroppedDueToUnexpectedEthTag

Table 7. evpnInclMcastRouteWithdrawDroppedDueToUnexpectedEthTag properties
Property name	Value
Application name	evpn
Event name	evpnInclMcastRouteWithdrawDroppedDueToUnexpectedEthTag
Default severity	warning
Message format string	BGP-EVPN Inclusive Multicast route received with route-distinguisher route-distinguisher and originating IP originating-ip-address withdraw on network instance network-instance and bgp instance bgp-instance is dropped because the Ethernet Tag Identifier received-ethernet-tag received in the route, does not match locally configured Ethernet Tag Identifier local-ethernet-tag on the bgp-instance
Cause	This event is generated when a received Ethernet Tag Identifier does not match the one configured locally on the bgp-instance in the network instance
Effect	The Virtual Tunnel End Point for the received VXLAN Network Identifier if programmed in the multicast flood list of bridge-table, might not be removed

evpnInclMcastRouteWithdrawnDueToUnexpectedVni

Table 8. evpnInclMcastRouteWithdrawnDueToUnexpectedVni properties
Property name	Value
Application name	evpn
Event name	evpnInclMcastRouteWithdrawnDueToUnexpectedVni
Default severity	warning
Message format string	BGP-EVPN Inclusive Multicast route received with route-distinguisher route-distinguisher and originating IP originating-ip-address on network instance network-instance and bgp instance bgp-instance is withdrawn because the VXLAN Network Identifier received-vni received in the route, does not match locally configured VXLAN Network Identifier local-vni on the bgp-instance
Cause	This event is generated when a received VXLAN Network Identifier does not match the one configured locally on the bgp-instance in the network instance
Effect	The Virtual Tunnel End Point for the received VXLAN Network Identifier is not programmed in the multicast flood list of bridge-table

evpnIpPrefixRouteNotImportedDueToUnexpectedVni

Table 9. evpnIpPrefixRouteNotImportedDueToUnexpectedVni properties
Property name	Value
Application name	evpn
Event name	evpnIpPrefixRouteNotImportedDueToUnexpectedVni
Default severity	warning
Message format string	BGP-EVPN IP-PREFIX ip-prefix LENGTH prefix-length received with route-distinguisher route-distinguisher on network instance network-instance and bgp instance bgp-instance is not imported because the VXLAN Network Identifier received-vni received in the route, does not match the locally configured VXLAN Network Identifier on the bgp-instance
Cause	This event is generated when a received VXLAN Network Identifier does not match the one configured locally on the bgp-instance in the network instance
Effect	The IP-Prefix is not programmed in the route-table

evpnIpPrefixRouteWithdrawnDueToNoGwMac

Table 10. evpnIpPrefixRouteWithdrawnDueToNoGwMac properties
Property name	Value
Application name	evpn
Event name	evpnIpPrefixRouteWithdrawnDueToNoGwMac
Default severity	warning
Message format string	BGP-EVPN IP-PREFIX ip-prefix LENGTH prefix-length received with route-distinguisher route-distinguisher on network instance network-instance and bgp instance bgp-instance is withdrawn because the route is received without a Gateway MAC Address and that is not allowed in an EVPN Interface-less bgp instance for VXLAN tunnels
Cause	This event is generated when a received IP Prefix route does not contain the required GW Mac and therefore it is not allowed in the local EVPN Interface-less bgp instance of the network-instance
Effect	The ip-prefix is not programmed in the route table of the network instance

evpnIpPrefixRouteWithdrawnDueToUnexpectedGwIp

Table 11. evpnIpPrefixRouteWithdrawnDueToUnexpectedGwIp properties
Property name	Value
Application name	evpn
Event name	evpnIpPrefixRouteWithdrawnDueToUnexpectedGwIp
Default severity	warning
Message format string	BGP-EVPN IP-PREFIX ip-prefix LENGTH prefix-length received with route-distinguisher route-distinguisher on network instance network-instance and bgp instance bgp-instance is withdrawn because the non-zero Gateway IP Address gw-ip-address received in the route is not allowed in an EVPN Interface-less bgp instance of the network-instance
Cause	This event is generated when a received Gateway IP Address in the IP Prefix routes is non-zero and therefore not allowed in the local EVPN Interface-less bgp instance of the network-instance
Effect	The ip-prefix is not programmed in the route table of the network instance

evpnMacRouteAddDroppedDueToUnexpectedEthTag

Table 12. evpnMacRouteAddDroppedDueToUnexpectedEthTag properties
Property name	Value
Application name	evpn
Event name	evpnMacRouteAddDroppedDueToUnexpectedEthTag
Default severity	warning
Message format string	BGP-EVPN MAC mac-address IP ip-address received with route-distinguisher route-distinguisher add on network instance network-instance and bgp instance bgp-instance is dropped because the Ethernet Tag Identifier received-ethernet-tag received in the route, does not match locally configured Ethernet Tag Identifier local-ethernet-tag on the bgp-instance
Cause	This event is generated when a received Ethernet Tag Identifier does not match the one configured locally on the bgp-instance in the network instance
Effect	The mac-address is not programmed in the bridge-table AND/OR the mac-address/ip-address pair is not programmed in the ARP or Neighbor discovery table

evpnMacRouteWithdrawDroppedDueToUnexpectedEthTag

Table 13. evpnMacRouteWithdrawDroppedDueToUnexpectedEthTag properties
Property name	Value
Application name	evpn
Event name	evpnMacRouteWithdrawDroppedDueToUnexpectedEthTag
Default severity	warning
Message format string	BGP-EVPN MAC mac-address IP ip-address received with route-distinguisher route-distinguisher delete on network instance network-instance and bgp instance bgp-instance is dropped because the Ethernet Tag Identifier received-ethernet-tag received in the route, does not match locally configured Ethernet Tag Identifier local-ethernet-tag on the bgp-instance
Cause	This event is generated when a received Ethernet Tag Identifier does not match the one configured locally on the bgp-instance in the network instance
Effect	The mac-address if programmed in the bridge-table AND/OR the mac-address/ip-address pair if programmed in the ARP or Neighbor discovery table, might not be removed

evpnMacRouteWithdrawnDueToUnexpectedVni

Table 14. evpnMacRouteWithdrawnDueToUnexpectedVni properties
Property name	Value
Application name	evpn
Event name	evpnMacRouteWithdrawnDueToUnexpectedVni
Default severity	warning
Message format string	BGP-EVPN MAC mac-address IP ip-address received with route-distinguisher route-distinguisher on network instance network-instance and bgp instance bgp-instance is withdrawn because the VXLAN Network Identifier received-vni received in the route, does not match locally configured VXLAN Network Identifier local-vni on the bgp-instance
Cause	This event is generated when a received VXLAN Network Identifier does not match the one configured locally on the bgp-instance in the network instance
Effect	The mac-address is not programmed in the bridge-table AND/OR the mac-address/ip-address pair is not programmed in the ARP or Neighbor discovery table

November 9, 2023