Appendix – What Just Happened® Reasons
Category |
Name |
Description |
Severity |
Ethernet |
Ingress Packet Reserved DMAC |
Destination MAC is Reserved (DMAC=01-80-C2-00-00-0x) |
Notice |
Ethernet |
Ingress Switch Vtag Allow |
VLAN tagging mismatch |
Notice |
Ethernet |
Ingress Switch VLAN |
VLAN filtering |
Notice |
Ethernet |
Ingress Switch STP |
Ingress spanning tree filter |
Notice |
Ethernet |
Lookup Switch UC |
Unicast FDB discard |
Notice |
Ethernet |
Lookup Switch MC Null |
Multicast list is empty |
Notice |
Ethernet |
Lookup Switch LB |
Port loopback filter |
Notice |
Ethernet |
Ingress Packet SMAC is MC |
Source MAC is multicast |
Notice |
Ethernet |
Ingress Packet SMAC Equals DMAC |
Source MAC equals destination MAC |
Notice |
IP |
Ingress Router No HDR |
Non IP packet |
Notice |
IP |
Ingress Router UC DIP MC DMAC |
Unicast destination IP but non-unicast destination MAC |
Notice |
IP |
Ingress Router DIP LB |
Destination IP is loopback address |
Notice |
IP |
Ingress Router SIP MC |
Source IP is multicast |
Notice |
IP |
Ingress Router SIP Class E |
Source IP is in class E |
Notice |
IP |
Ingress Router SIP LB |
Source IP is loopback |
Notice |
IP |
Ingress Router SIP Unspecified |
Source IP is not specified |
Notice |
IP |
Ingress Router IP HDR |
Checksum or IPver or IPv4 IHL too short |
Notice |
IP |
Ingress Router MC DMAC |
Multicast MAC mismatch |
Notice |
IP |
Ingress Router SIP Equals DIP |
Source IP equals to destination IP |
Notice |
IP |
Ingress Router SIP BC |
IPv4 source IP is limited broadcast |
Notice |
IP |
Ingress Router DIP Local Network |
IPv4 destination IP is local network |
Notice |
IP |
Ingress Router DIP Link Local |
IPv4 destination IP is link local |
Notice |
IP |
Router IRIF Disabled |
Ingress IP interface is disabled |
Notice |
IP |
Router ERIF Disabled |
Egress IP interface is disabled |
Notice |
IP |
Router LPM4 |
IPv4 LPM unicast miss |
Notice |
IP |
Router LPM6 |
IPv6 LPM unicast miss |
Notice |
IP |
MC Scope IPv6 0 |
IPv6 destination in multicast scope FFx0:/16 |
Notice |
IP |
MC Scope IPv6 1 |
IPv6 destination in multicast scope FFx1:/16 |
Notice |
Tunnel |
Decapsulation Packet |
Remained packet is too short |
Notice |
Tunnel |
Decapsulation Error |
Decapsulation error |
Notice |
Tunnel |
Overlay Switch SMAC Multicast |
Overlay: source MAC is multicast |
Notice |
Tunnel |
Overlay Switch SMAC Equals DMAC |
Overlay: source MAC equals destination MAC |
Notice |