Home  Prev  cOS Core 15.00.01 Log Reference Guide  Next

2.15. DHCP

These log messages refer to the DHCP (DHCP client events) category.

2.15.1. offered_ip_occupied (ID: 00700001)

Default Severity
NOTICE
Log Message
Interface <iface> received a lease with an offered IP that appear to be occupied (<ip4addr>)
Explanation
Received a DHCP lease which appears to be in use by someone else.
Firewall Action
restart
Recommended Action
Check network for statically configured hosts or incorrectly proxy ARPed routes.
Revision
1
Parameters
iface
ip4addr

2.15.2. lease_changed (ID: 00700002)

Default Severity
WARNING
Log Message
Some vital parameter(s) in the lease on interface <iface> have changed, restarting DHCP-process
Explanation
The DHCP server have updated some information considered vital. This will result in the DHCP process being restarted.
Firewall Action
reconfiguration
Recommended Action
None
Revision
2
Parameters
iface
lease_changes
Context Parameters
Packet Buffer

2.15.3. lease_acquired (ID: 00700003)

Default Severity
NOTICE
Log Message
Interface <iface> have successfully acquired a lease
Explanation
An interface have successfully acquired a lease.
Firewall Action
None
Recommended Action
None
Revision
1
Parameters
iface
ip
netmask
bcast
gw
Context Parameters
Packet Buffer

2.15.4. renewed_lease (ID: 00700004)

Default Severity
NOTICE
Log Message
Interface <iface> have renewed its lease. The new lease is valid for <valid_seconds> seconds
Explanation
An interface have successfully renewed its lease.
Firewall Action
None
Recommended Action
None
Revision
1
Parameters
iface
valid_seconds
Context Parameters
Packet Buffer

2.15.5. lease_expired (ID: 00700005)

Default Severity
NOTICE
Log Message
Interface <iface> lease expired
Explanation
A lease have expired and the ip data for this interface are no longer valid.
Firewall Action
restart
Recommended Action
Check connection and DHCP server reachability.
Revision
1
Parameters
iface

2.15.6. invalid_lease_time (ID: 00700007)

Default Severity
WARNING
Log Message
Interface <iface> received a lease with a leasetime (<lease_time>) which is lower then the minimum allowed (<minimum_lease_time>)
Explanation
An interface received a lease with a leasetime which is lower then the configured minimum.
Firewall Action
drop
Recommended Action
Check the DHCP server configuration or adjust the minimum leasetime limit.
Revision
1
Parameters
iface
lease_time
minimum_lease_time
Context Parameters
Packet Buffer

2.15.7. invalid_server_id (ID: 00700008)

Default Severity
WARNING
Log Message
Interface <iface> received a lease with an invalid server ID (<server_id>)
Explanation
An interface received a lease with an invalid server ID parameter.
Firewall Action
drop
Recommended Action
Check DHCP server configuration.
Revision
1
Parameters
iface
server_id
Context Parameters
Packet Buffer

2.15.8. invalid_netmask (ID: 00700009)

Default Severity
WARNING
Log Message
Interface <iface> received a lease with an invalid netmask (<netmask>)
Explanation
An interface received a lease with an invalid netmask.
Firewall Action
drop
Recommended Action
Check DHCP server configuration.
Revision
1
Parameters
iface
netmask
Context Parameters
Packet Buffer

2.15.9. invalid_broadcast (ID: 00700010)

Default Severity
WARNING
Log Message
Interface <iface> received a lease with an invalid broadcast address (<broadcast>)
Explanation
An interface received a lease with an invalid broadcast address.
Firewall Action
drop
Recommended Action
Check DHCP server configuration.
Revision
1
Parameters
iface
broadcast
Context Parameters
Packet Buffer

2.15.10. invalid_offered_ip (ID: 00700011)

Default Severity
WARNING
Log Message
Interface <iface> received a lease with an invalid offered IP (<offered_ip>)
Explanation
An interface received a lease with an invalid offered IP address.
Firewall Action
drop
Recommended Action
Check DHCP server configuration.
Revision
1
Parameters
iface
offered_ip
Context Parameters
Packet Buffer

2.15.11. invalid_gateway (ID: 00700012)

Default Severity
WARNING
Log Message
Interface <iface> received a lease with an invalid gateway (<gateway>)
Explanation
An interface received a lease with an invalid gateway address.
Firewall Action
drop
Recommended Action
Check DHCP server configuration.
Revision
1
Parameters
iface
gateway
Context Parameters
Packet Buffer

2.15.12. offered_broadcast_equals_gateway (ID: 00700013)

Default Severity
WARNING
Log Message
Interface <iface> received a lease where the offered broadcast equals the offered gateway
Explanation
An interface received a lease where the offered broadcast address is equal with the offered gateway address.
Firewall Action
drop
Recommended Action
Check DHCP server configuration.
Revision
1
Parameters
iface
Context Parameters
Packet Buffer

2.15.13. ip_collision (ID: 00700014)

Default Severity
WARNING
Log Message
Interface <iface> received a lease which if used will cause an IP collision (DHCP IP: <dhcp_ip> collides with configured route: <configured_route>)
Explanation
An interface received a lease which if used will cause an IP collision with a configured route.
Firewall Action
drop
Recommended Action
Check DHCP server configuration and the SG interface configuration.
Revision
1
Parameters
iface
dhcp_ip
configured_route
Context Parameters
Packet Buffer

2.15.14. route_collision (ID: 00700015)

Default Severity
WARNING
Log Message
Interface <iface> received a lease which if used will cause a route collision (DHCP route: <dhcp_route> collides with configured route <configured_route>)
Explanation
An interface received a lease which if used will cause a route collision with a configured route.
Firewall Action
drop
Recommended Action
Check DHCP server configuration and SG interface configuration.
Revision
1
Parameters
iface
dhcp_route
configured_route
Context Parameters
Packet Buffer

Home  Prev   Next