Administrator Guide

Table Of Contents
Unknown traffic in IP Subnet range
Unknown traffic hitting the default route entry.
Multicast NDP packets
NDP packets with destination MAC is multicast
DST MAC 33:33:XX:XX:XX:XX
NDP Packets in VLT peer routing enable
VLT peer routing enable cases each VLT node will have route entry for link local address of both self and peer VLT node.
Peer VLT link local entry will have egress port as ICL link. And Actual link local address will have entry to CopyToCpu. But
NDP packets destined to peer VLT node needs to be taken to CPU and tunneled to the peer VLT node..
NDP packets in VLT peer routing disable case
NDP packets intended to peer VLT chassis taken to CPU and tunnel to peer.
Redirecting Control Traffic to 12 CPU queues
The following table describes the protocol to queue mapping with the CPU queues increased to be 12.
CPU
Queue
Weights Rate (pps) Protocol
0 100
1300 BFD
1 1 300 MC
2 2 300 TTL0, TTL1, IP with
options, Mac limit violation,
Hyper pull, L3 with Bcast
MacDA, Unknown L3, ARP
unresolved, ACL Logging
3 4 400 sFlow, L3 MTU Fail frames
4 127 2000 IPC/IRC, VLT Control
frames
5 16 300 ARP Request, NS, RS, iSCSI OPT Snooping
6 16 400 ICMP, ARP Reply, NTP, Local terminated L3, NA, RA,ICMPv6 (other Than
NDP and MLD)
7 64 400 xSTP, FRRP, LACP,
802.1x,ECFM,L2PT,TRILL,
Open flow
8 32 400 PVST, LLDP, GVRP, FCOE,
FEFD, Trace flow
9 64 600 OSPF, ISIS, RIPv2, BGP
10 32 300 DHCP, VRRP
11 32 300 PIM, IGMP, MSDP, MLD
Control Plane Policing (CoPP) 201