Description | This article describes how to identify a DHCPv6 issue. |
Scope | FortiGate, |
Solution |
1) Debug on DHCPv6 server:
diag debug app dhcp6s -1 diag debug enable
2) Debug on DHCPv6 relay:
diag debug app dhcp6r -1 diag debug enable
3) Debug on DHCPv6 client:
diag debug app dhcp6c -1 diag debug enable
To stop the debugging above:
diag debug disable diag debug reset
It is also possible to check into a packet sniffer:
diag sniffer packet any 'port 546 or port 547' 6 0 l
After converting to a PCAP file:
1) DHCP: Solicit 2) DHCP: Advertise 3) DHCP: Request 4)DHCP: Reply |
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