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2.18. DHCPV6CLIENT

These log messages refer to the DHCPV6CLIENT (DHCPv6 Client Events) category.

2.18.1. offered_ip_occupied (ID: 07300001)

Default Severity
NOTICE
Log Message
Interface <iface> received a lease with an offered IP that appear to be occupied (<ip6addr>)
Explanation
Received a DHCPv6 lease which appears to be in use by someone else.
Firewall Action
restart
Recommended Action
Check network for statically configured hosts.
Revision
1
Parameters
iface
ip6addr

2.18.2. lease_acquired (ID: 07300003)

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
3
Parameters
iface
ip
prefix
dns1
dns2
Context Parameters
Packet Buffer

2.18.3. renewed_lease (ID: 07300004)

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

2.18.4. lease_expired (ID: 07300005)

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A lease have expired and the ip data for this interface are no longer valid.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 DHCP6 server reachability.
Revision
1
Parameters
iface

2.18.5. adv_bad_status (ID: 07300006)

Default Severity
WARNING
Log Message
DHCPv6 server Advertisment unsuccessful status on <iface>. Status: <code>.
Explanation
A DHCPv6 Advertisment was received containing a bad status code.
Firewall Action
drop
Recommended Action
None
Revision
1
Parameters
code
iface

2.18.6. reply_bad_status (ID: 07300007)

Default Severity
WARNING
Log Message
DHCPv6 server Reply unsuccessful status on <iface>. Status: <code>.
Explanation
A DHCPv6 Reply was received containing a bad status code.
Firewall Action
drop
Recommended Action
None
Revision
1
Parameters
code
iface

2.18.7. bad_server_address (ID: 07300008)

Default Severity
WARNING
Log Message
DHCPv6 server Reply contained a bad server address <address> on <iface>.
Explanation
A DHCPv6 Reply was received containing a bad server address.
Firewall Action
drop
Recommended Action
None
Revision
1
Parameters
address
iface

2.18.8. bad_address_offered (ID: 07300009)

Default Severity
WARNING
Log Message
DHCPv6 server Reply offered a bad address <address> on <iface>.
Explanation
A DHCPv6 Reply was received containing a bad ip address.
Firewall Action
drop
Recommended Action
None
Revision
1
Parameters
address
iface

2.18.9. bad_timers (ID: 07300010)

Default Severity
WARNING
Log Message
DHCPv6 server Reply IA_NA option timer T1 <t1> is erroneously larger than T2 <t2> on <iface>.
Explanation
A DHCPv6 Reply IA_NA option with faulty timers was received.
Firewall Action
drop
Recommended Action
None
Revision
1
Parameters
t1
t2
iface

2.18.10. low_life_time (ID: 07300011)

Default Severity
WARNING
Log Message
DHCPv6 server Reply IA_NA offered address lifetime too low on <iface>. Preferred lifetime <preferred>, valid lifetime <valid>.
Explanation
A DHCPv6 Reply IA_NA option was received containing an address life time too low.
Firewall Action
drop
Recommended Action
None
Revision
1
Parameters
preferred
valid
iface

2.18.11. ip_collision (ID: 07300012)

Default Severity
WARNING
Log Message
Interface <iface> received an offer which if used will cause an IP collision (DHCPv6 IP: <dhcpv6_ip> collides with configured route: <configured_route>)
Explanation
An interface received an offer which if used will cause an IP collision with a configured route.
Firewall Action
drop
Recommended Action
Check DHCPv6 server configuration and the SG interface configuration.
Revision
1
Parameters
iface
dhcpv6_ip
configured_route

2.18.12. subnet_id_outside_prefix (ID: 07300013)

Default Severity
WARNING
Log Message
Delegation of network to the Delegated interface <iface> failed due to SubnetID <subnet_id> outside max SubnetID for the Prefix with length <prefix_len> received on <delegation_iface>
Explanation
Network Delegation disallowed due to configured interface SubnetID resulting in network outside the Prefix received from the DHCPv6 Server on the Delegation interface.
Firewall Action
None
Recommended Action
Check that the SubnetID setting for all Delegated interfaces is within max_subnet_id for the Prefix received on the Delegation interface, .
Revision
1
Parameters
iface
delegation_iface
subnet_id
max_subnet_id
prefix_len

2.18.13. invalid_prefix_len (ID: 07300014)

Default Severity
WARNING
Log Message
Received invalid Delegation Prefix on Delegation interface <delegation_iface>
Explanation
Received out of bounds Delegation Prefix on Delegation interface.
Firewall Action
None
Recommended Action
Verify if possible DHCPv6 Server settings.
Revision
1
Parameters
iface
delegation_iface
prefix_len

2.18.14. prefix_delegation_error (ID: 07300015)

Default Severity
WARNING
Log Message
Delegation of network to the Delegated interface <iface> from Delegation interface <delegation_iface> failed due to internal error
Explanation
Delegation of network to the Delegated interface failed due to unknown error.
Firewall Action
None
Recommended Action
Verify if possible DHCPv6 Server settings.
Revision
1
Parameters
iface
delegation_iface
subnet_id
prefix_len

2.18.15. reply_bad_pdstatus (ID: 07300016)

Default Severity
WARNING
Log Message
DHCPv6 server Reply unsuccessful Prefix Delegation status on <iface>. Status: <code>.
Explanation
A DHCPv6 Reply was received containing a bad status code for Prefix Delegation.
Firewall Action
drop
Recommended Action
None
Revision
1
Parameters
code
iface

2.18.16. renew_lease_changed (ID: 07300017)

Default Severity
NOTICE
Log Message
Interface <iface> have successfully acquired a new lease during renew
Explanation
An interface have successfully acquired a new lease during renew.
Firewall Action
None
Recommended Action
None
Revision
1
Parameters
iface
ip
prefix
dns1
dns2
Context Parameters
Packet Buffer

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