Dell POWEREDGE M1000E - Manual (Page 1454)

1450 Serviceability Tracing Packet Commands
debug ipv6 mcache
Use the debug ipv6 mcache command to trace MDATAv6 packet reception
and transmission. The receive option traces only received data packets and
the transmit option traces only transmitted data packets. When neither
keyword is used in the command, then all data packet traces are dumped.
Vital information such as source address, destination address, packet length,
and the interface on which the packet is received or transmitted is displayed
on the console.
Syntax
debug ipv6 mcache packet [ receive | transmit ]
no debug ipv6 mcache packet [ receive | transmit ]
Default Configuration
Display of MDATA traces is disabled by default.
Command Mode
Privileged EXEC mode.
User Guidelines
This command has no user guidelines.
Example
console#debug ipv6 mcache packet
debug ipv6 mld
Use the debug ipv6 mld command to trace MLD packet reception and
transmission. The receive option traces only received MLD packets and the
transmit option traces only transmitted MLD packets. When neither keyword
is used in the command, then all MLD packet traces are dumped. Vital
information such as source address, destination address, control packet type,
2CSPC4.XModular-SWUM200.book Page 1450 Thursday, March 10, 2011 11:18 AM