SMC Networks 7724M/VSW - annexe 1, Manual

Page: 228 / 387

Management Guide CLI
TigerAccess™ EE
SMC7824M/VSW 227
7.15.1 Packet Dump by Protocol
You can see packets about BOOTPS, DHCP, ARP and ICMP using the following com-
mand.
Command Mode Description
debug packet { interface INTERFACE | port
PORTS } protocol { bootps | dhcp | arp | icmp }
{ src-ip A.B.C.D | dest-ip A.B.C.D }
Shows packet dump by protocol.
debug packet { interface INTERFACE | port
PORTS } host { src-ip A.B.C.D | dest-ip A.B.C.D }
{ src-port <1-65535> | dest-port <1-65535>}
Shows host packet dump.
debug packet { interface INTERFACE | port
PORTS } host { src-port <1-65535> | dest-port
<1-65535>}
Shows host packet dump.
debug packet { interface INTERFACE | port
PORTS } multicast [ src-ip A.B.C.D | dest-ip
A.B.C.D ]
Enable
Shows multicast packet dump.
7.15.2 Packet Dump with Option
You can verify packets with tcpdump options using the following command.
Command Mode Description
debug packet OPTION Enable Shows packet dump using options.
Tab. 7.3 shows the options for packet dump.
Option Description
-a Change Network & Broadcast address to name.
-d Change the complied packet-matching code to readable letters and close it
-e Output link-level header of each line
-f Output outer internet address as symbol
-l
Buffer output data in line. This is useful when other application tries to receive data
from tcpdump.
-n Do not translate all address (e.g. port, host address)
-N When output host name, do not print domain.
-O
Do not run packet-matching code optimizer. This option is used to find bug in opti-
mizer
-p Interface is not remained in promiscuous mode
-q Reduce output quantity of protocol information. Therefore, output line is shorter.
-S Output TCP sequence number not relative but absolute
-t Time is not displayed on each output line
-v Display more information
Tab. 7.3 Options for Packet Dump