Cisco Cisco Packet Data Gateway (PDG) Fascicule

 

 

 

Filtered by ACL 

The number of packets discarded due to ACL filter 

TTL expired 

The number of packets discarded because their time-to-live parameter was exceeded. 

Flow lookup twice 

The number of packets discarded due to flow lookup to be performed twice (prevent microcode from 
looping) 

Unknown IPv4 class 

The number of packets discarded due to unknown classification received from hardware 

Too short: IP 

The number of packets discarded due to IP packet too short 

Too short: ICMP 

The number of packets discarded due to ICMP packet too short for lookup key 

Too short: IGMP 

The number of packets discarded due to IGMP packet too short for lookup key 

Too short: TCP 

The number of packets discarded due to TCP packet too short for lookup key 

Too short: UDP 

The number of packets discarded due to UDP packet too short for lookup key 

Too short: IPIP 

The number of packets discarded due to UDP packet too short for lookup key 

Too short: GRE 

The number of packets discarded due to GRE header size < 8 bytes 

Too short: GRE key 

The number of packets discarded due to GRE header says key present but header size < 13 bytes 

Don’t frag discards 

Packets requiring fragmentation that are discarded by the NPU because the IP header don't fragment bit 
is set. 

Fragment packets 

Packets fragmented by the NPU due to exceeding MTU of egress port. 

Fragment fragments 

Total number of fragments fragmented by the NPU and sent to the egress port. 

IPv4VlanMap dropped 

Total number of IPv4 VLAN map packets that were dropped. 

IPSec NATT keep alive  Total number of NAT-Traversal keep alive packets. 

MPLS Flow not found 

Total number of packets dropped when an MPLS flow was not found. 

MPLS unicast 

The number of MPLS Multicast frames and bytes received and transmitted. 

Size 
ASR 5000 and 
QvPC-SI 

The number of frames and bytes that were received and transmitted according to the following size 
ranges: 
- Less than 17 
- 17 through 64 
- 65 through 127 
- 128 through 255 
- 256 through 511 
- 512 through 1023 
- 1024 through 2047 
- 2048 through 4095 
- 4096 though 4500 
- Greater than 4500