9. DHCP Snooping
268
2303
NOTICE
DHCP direct request was received from
the client who isn't in binding
(ChGr:
<channel group number>
/
<vlan
id>
/
<mac address>
/
<ip address>
).
[Meaning]
An invalid DHCP request was detected.
This message is output once every five minutes
on a port-by-port basis.
[Explanation of message variables]
ChGr
:
<channel group number>
/
<vlan id>
/
<mac address>
/
<ip address>
: Indicates
DHCP client terminal information.
<channel group number>
: Indicates the
channel group number.
<vlan id>
: Indicates the VLAN ID.
<mac address>
: Indicates the MAC address.
<ip address>
: Indicates the IP address.
[Action]
If this occurs frequently, it might have been
caused by an attack. Check the connected
devices.
2304
NOTICE
ARP packet was received from the client
who isn't in binding(ChGr:
<channel
group number>
/
<vlan id>
/
<mac
address>
).
[Meaning]
An ARP packet that does not match the binding
database was detected.
This message is output once every five minutes
on a port-by-port basis.
[Explanation of message variables]
ChGr
:
<channel group number>
/
<vlan id>
/
<mac address>
: Indicates ARP terminal
information.
<channel group number>
: Indicates the
channel group number.
<vlan id>
: Indicates the VLAN ID.
<mac address>
: Indicates the MAC address.
[Action]
Review the network configuration. If there is
no problem in the configuration, then this might
have been caused by an attack.
3201
WARN
DHCP packet discard with
Option82(
<nif no.>
/
<port no.>
/
<vlan
id>
/
<mac address>
/
<ip address>
).
[Meaning]
A packet with Option82 was discarded.
This message is output once every five minutes
on a port-by-port basis.
[Explanation of message variables]
<nif no.>
/
<port no.>
/
<vlan id>
/
<mac
address>
/
<ip address>
: Indicates DHCP
client terminal information.
<nif no.>
: Indicates the NIF number.
<port no.>
: Indicates the port number.
<vlan id>
: Indicates the VLAN ID.
<mac address>
: Indicates the MAC address.
<ip address>
: Indicates the IP address.
[Action]
Review the network configuration. If there is
no problem in the configuration, then this might
have been caused by an attack.
Message ID
Level
Message text
Description
Summary of Contents for AX6300S series
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Page 25: ...9 PART 2 Filters Chapter 2 Filters show access filter clear access filter ...
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Page 49: ...3 Access List Logging 33 Notes None ...
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