[Kea-users] debug logging not displaying boot file option in offer
Marcin Siodelski
marcin at isc.org
Tue Sep 26 11:57:12 UTC 2017
Hi Jason,
Thanks for bringing this issue. Strictly speaking it is not a (DHCP)
option not being logged but a 'file' field (being a part of a BOOTP
message). There are also other fields not being logged such as 'sname'
and 'siaddr'. It is a bug in Kea. Can you please file a bug ticket for it?
Marcin Siodelski
ISC
On 15.09.2017 21:21, Jason Lixfeld wrote:
> Hi,
>
> For the longest time, I thought I had some odd configuration error because I would never see bootfile in the options output of the Kea debug, despite me having set it in the config:
>
> 2017-09-15 14:27:24.742 DEBUG [kea-dhcp4.packets/631] DHCP4_RESPONSE_DATA [hwtype=1 00:01:47:e3:2f:60], cid=[00:31:34:38:38:38:38:30], tid=0x4d5cccc: responding with packet DHCPACK (type 5), packet details: local_address=10.219.66.10:67, remote_address=10.219.45.114:67, msg_type=DHCPACK (5), transid=0x4d5cccc,
> options:
> type=001, len=004: 4294967040 (uint32)
> type=006, len=008: 66.207.192.4 206.223.173.6
> type=051, len=004: 60 (uint32)
> type=053, len=001: 5 (uint8)
> type=054, len=004: 10.219.66.10
> type=058, len=004: 900 (uint32)
> type=059, len=004: 1800 (uint32)
> type=061, len=008: 00:31:34:38:38:38:38:30
> type=082, len=058:,
> options:
> type=001, len=006: 00:04:0c:37:02:01
> type=002, len=011: 01:09:72:67:77:30:31:2e:6c:61:62
> type=005, len=004: 0a:3f:ff:00
> type=151, len=023: 00:72:65:73:69:64:65:6e:74:69:61:6c:2d:6d:61:6e:61:67:65:6d:65:6e:74
> type=152, len=004: 0a:3f:ff:01
>
> But in a recent tcpdump, I in fact do see the option getting sent by Kea:
>
> 14:27:24.742363 IP (tos 0x0, ttl 64, id 37950, offset 0, flags [DF], proto UDP (17), length 382)
> 10.219.66.10.67 > 10.219.45.114.67: [bad udp cksum 0x86ad -> 0xb5f1!] BOOTP/DHCP, Reply, length 354, hops 1, xid 0x4d5cccc, Flags [none] (0x0000)
> Client-IP 10.63.255.209
> Your-IP 10.63.255.209
> Gateway-IP 10.219.45.114
> Client-Ethernet-Address 00:01:47:e3:2f:60
> file "foopoo"[|bootp]
>
> Is there any way to be able to see this in the logs?
>
> {
> "Logging": {
> "loggers": [
> {
> "name": "kea-dhcp4",
> "output_options": [
> {
> "output": "/var/log/kea/kea-dhcp4.log"
> }
> ],
> "severity": "DEBUG",
> "debuglevel": 99
> },
> ]
> }
> }
>
> Thanks!
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