Appendix: What Just Happened (WJH) Events
|
Drop Reason Group |
Drop Reason |
Comment |
|
L1 |
Port admin down |
Port Down Reason |
|
L1 |
Auto-negotiation failure |
Port Down Reason |
|
L1 |
Logical mismatch with peer link |
Port Down Reason |
|
L1 |
Link training failure |
Port Down Reason |
|
L1 |
Peer is sending remote faults |
Port Down Reason |
|
L1 |
Bad signal integrity |
Port Down Reason |
|
L1 |
Cable/transceiver is not supported |
Port Down Reason |
|
L1 |
Cable/transceiver is unplugged |
Port Down Reason |
|
L1 |
Calibration failure |
Port Down Reason |
|
L1 |
Port state changes |
Counter |
|
L1 |
Symbol error |
Counter |
|
L1 |
CRC error |
Counter |
|
Forwarding |
MLAG port isolation |
Not supported for port isolation implemented with system ACL |
|
Forwarding |
Destination MAC is reserved (DMAC=01-80-C2-00-00-0x) |
|
|
Forwarding |
VLAN tagging mismatch |
|
|
Forwarding |
Ingress VLAN filtering |
|
|
Forwarding |
Ingress spanning tree filter |
|
|
Forwarding |
Unicast MAC table action discard |
Currently not supported |
|
Forwarding |
Multicast egress port list is empty |
|
|
Forwarding |
Port loopback filter |
|
|
Forwarding |
Source MAC is multicast |
|
|
Forwarding |
Source MAC equals destination MAC |
|
|
Forwarding |
Non-routable packet |
Currently not supported |
|
Forwarding |
Blackhole route |
|
|
Forwarding |
Unresolved next-hop |
|
|
Forwarding |
Blackhole ARP/neighbor |
|
|
Forwarding |
IPv6 destination in multicast scope FFx0:/16 |
|
|
Forwarding |
IPv6 destination in multicast scope FFx1:/16 |
|
|
Forwarding |
Non-IP packet |
|
|
Forwarding |
Unicast destination IP but non-unicast destination MAC |
|
|
Forwarding |
Destination IP is loopback address |
|
|
Forwarding |
Source IP is multicast |
|
|
Forwarding |
Source IP is in class E |
|
|
Forwarding |
Source IP is loopback address |
|
|
Forwarding |
Source IP is unspecified |
|
|
Forwarding |
Checksum or IP ver or IPv4 IHL too short |
|
|
Forwarding |
Multicast MAC mismatch |
|
|
Forwarding |
Source IP equals destination IP |
|
|
Forwarding |
IPv4 source IP is limited broadcast |
|
|
Forwarding |
IPv4 destination IP is local network (destination = 0.0.0.0/8) |
|
|
Forwarding |
IPv4 destination IP is link local |
|
|
Forwarding |
Ingress router interface is disabled |
|
|
Forwarding |
Egress router interface is disabled |
|
|
Forwarding |
IPv4 routing table (LPM) unicast miss |
|
|
Forwarding |
IPv6 routing table (LPM) unicast miss |
|
|
Forwarding |
Router interface loopback |
|
|
Forwarding |
Packet size is larger than MTU |
|
|
Forwarding |
TTL value is too small |
|
|
Forwarding |
Overlay switch – source MAC is multicast |
|
|
Forwarding |
Overlay switch – source MAC equals destination MAC |
|
|
Forwarding |
Decapsulation error |
|
|
ACL |
Ingress port ACL |
|
|
ACL |
Ingress router ACL |
|
|
ACL |
Egress port ACL |
|
|
ACL |
Egress router ACL |
|
|
Buffer |
Tail drop |
|
|
Buffer |
WRED |