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SIGNAMAX LLC • www.signamax.eu
D e b u g g i n g Co m ma n d
Command
Description
(no) debug dhcp-snooping
To enable (disable) the switch for debugging the DHCP Snooping
E xa m p l e o f De b u g g i n g Co m ma n d
To view the situation of packet processing via
debug dhcp snooping
Displayed Result
Analysis
00:03:32: Receive a dhcp message from port 0/7
00:03:32: dhcp snooping message decode :
00:03:32: destination mac :0000.006c.7d23
00:03:32: source mac :0005.5dd3.36c6
00:03:32: client mac :0005.5dd3.36c6
00:03:32: vlan Id :1
00:03:32: message type :7
00:03:32: Uncast send , portId :port 0/1,msgType:7
Receive a RELEASE
message from port 0/7 and send
it out in unicast mode from port
0/1
00:03:35: Receive a dhcp message from port 0/7
00:03:35: dhcp snooping message decode :
00:03:35: destination mac :ffff.ffff.ffff
00:03:35: source mac :0005.5dd3.36c6
00:03:35: client mac :0005.5dd3.36c6
00:03:35: vlan Id :1
00:03:35: message type :1
00:03:35: add a database entry,transtion id :2e22e229!,Mac:0005.5dd3.36c6
00:03:35: Broadcast send , vlanId :1,msgType:1
Receive a DICOVER
message from port 0/7, add new
dynamic binding item and
broadcast the packers in the
VLAN
00:03:35: Receive a dhcp message from port 0/1
00:03:35: dhcp snooping message decode :
00:03:35: destination mac :ffff.ffff.ffff
00:03:35: source mac :0000.006c.7d23
00:03:35: client mac :0005.5dd3.36c6
00:03:35: vlan Id :1
00:03:35: message type :2
00:03:35: Broadcast send , vlanId :1,msgType:2
Receive a OFFER response
message from port 0/1 and
broadcast it in the VLAN
00:03:35: Receive a dhcp message from port 0/7
00:03:35: dhcp snooping message decode :
00:03:35: destination mac :ffff.ffff.ffff
00:03:35: source mac :0005.5dd3.36c6
00:03:35: client mac :0005.5dd3.36c6
Receive a REQUEST
message from port 0/7, update
dynamic binding item and
broadcast it in the VLAN
Summary of Contents for 065-7434
Page 1: ...24 Port 10 100 L3 Switch Model 065 7434 Configuration Guide Revision A1 ...
Page 245: ...245 SIGNAMAX LLC www signamax eu Application Example Example of configuring DHCP Snooping ...
Page 302: ...302 SIGNAMAX LLC www signamax eu Default status no switching interface ...
Page 368: ......
Page 655: ...287 SIGNAMAX LLC www signamax eu Sub VLAN members in the system ...