[Kea-users] ERROR DHCP4_PACKET_SEND_FAIL
Fredrik V
fredrik at cisko.se
Tue Jan 26 11:04:04 UTC 2021
Saw that I pasted one mac from syslog and another from dhcpdump in the
initial post.
Here is the matching one, same client and same problem.
Jan 26 12:02:28 kea-dhcp01 kea-dhcp4: INFO DHCP4_LEASE_ALLOC [hwtype=1
00:02:ab:12:d2:fe],
cid=[00:67:73:77:2d:32:30:32:30:70:61:2d:31:32:2d:64:32:2d:66:65],
tid=0x3219188d: lease xxx.160.93.130 has been allocated for 21600 seconds
Jan 26 12:02:28 kea-dhcp01 kea-dhcp4: ERROR DHCP4_PACKET_SEND_FAIL
[hwtype=1 00:02:ab:12:d2:fe],
cid=[00:67:73:77:2d:32:30:32:30:70:61:2d:31:32:2d:64:32:2d:66:65],
tid=0x3219188d: failed to send DHCPv4 packet: pkt4 send failed: sendmsg()
returned with an error: Permission denied
root at kea-dhcp01:/var/lib/kea# dhcpdump -i ens192 -h 00:02:ab:12:d2:fe
TIME: 2021-01-26 11:59:51.689
IP: xxx.160.93.130 (78:ba:f9:2f:3:d6) > xxx.233.57.226
(0:50:56:86:c9:a1)
OP: 1 (BOOTPREQUEST)
HTYPE: 1 (Ethernet)
HLEN: 6
HOPS: 0
XID: 3219188d
SECS: 6945
FLAGS: 0
CIADDR: 0.0.0.0
YIADDR: 0.0.0.0
SIADDR: 0.0.0.0
GIADDR: 0.0.0.0
CHADDR: 00:02:ab:12:d2:fe:00:00:00:00:00:00:00:00:00:00
SNAME: .
FNAME: .
OPTION: 53 ( 1) DHCP message type 3 (DHCPREQUEST)
OPTION: 57 ( 2) Maximum DHCP message size 1024
OPTION: 55 ( 16) Parameter Request List 54 (Server identifier)
51 (IP address leasetime)
58 (T1)
59 (T2)
1 (Subnet mask)
3 (Routers)
6 (DNS server)
15 (Domainname)
28 (Broadcast address)
42 (NTP servers)
66 (TFTP server name)
67 (Bootfile name)
132 (???)
240 (???)
250 (???)
254 (???)
OPTION: 12 ( 20) Host name gsw-2020pa-12-d2-fe
OPTION: 61 ( 20) Client-identifier
00:67:73:77:2d:32:30:32:30:70:61:2d:31:32:2d:64:32:2d:66:65
OPTION: 60 ( 10) Vendor class identifier GSW-2020PA
OPTION: 77 ( 10) User-class Identification 0956657220312e30 .Ver 1.0
3565 5e
OPTION: 54 ( 4) Server identifier xxx.233.57.226
OPTION: 50 ( 4) Request IP address xxx.160.93.130
---------------------------------------------------------------------------
On Tue, Jan 26, 2021 at 11:52 AM Fredrik V <fredrik at cisko.se> wrote:
> Hi,
>
> Found this message in syslog and I cant figure out whats going on.
>
> Jan 26 11:47:40 kea-dhcp01 kea-dhcp4: ERROR DHCP4_PACKET_SEND_FAIL
> [hwtype=1 00:02:ab:12:d2:fe],
> cid=[00:67:73:77:2d:32:30:32:30:70:61:2d:31:32:2d:64:32:2d:66:65],
> tid=0x3219188d: failed to send DHCPv4 packet: pkt4 send failed: sendmsg()
> returned with an error: Permission denied
>
> Here is the DHCPREQUEST. We get the request. We do not send any kind
> reply.
>
> What is causing the Permission denied?
>
> root at kea-dhcp01:/var/lib/kea# dhcpdump -i ens192 -h 00:02:ab:12:d1:78
> TIME: 2021-01-26 10:39:20.565
> IP: xxx.160.93.131 (78:ba:f9:2f:3:d6) > xxx.233.57.226
> (0:50:56:86:c9:a1)
> OP: 1 (BOOTPREQUEST)
> HTYPE: 1 (Ethernet)
> HLEN: 6
> HOPS: 0
> XID: 61f7346a
> SECS: 1899
> FLAGS: 0
> CIADDR: 0.0.0.0
> YIADDR: 0.0.0.0
> SIADDR: 0.0.0.0
> GIADDR: 0.0.0.0
> CHADDR: 00:02:ab:12:d1:78:00:00:00:00:00:00:00:00:00:00
> SNAME: .
> FNAME: .
> OPTION: 53 ( 1) DHCP message type 3 (DHCPREQUEST)
> OPTION: 57 ( 2) Maximum DHCP message size 1024
> OPTION: 55 ( 16) Parameter Request List 54 (Server identifier)
> 51 (IP address leasetime)
> 58 (T1)
> 59 (T2)
> 1 (Subnet mask)
> 3 (Routers)
> 6 (DNS server)
> 15 (Domainname)
> 28 (Broadcast address)
> 42 (NTP servers)
> 66 (TFTP server name)
> 67 (Bootfile name)
> 132 (???)
> 240 (???)
> 250 (???)
> 254 (???)
>
> OPTION: 12 ( 20) Host name gsw-2020pa-12-d1-78
> OPTION: 61 ( 20) Client-identifier
> 00:67:73:77:2d:32:30:32:30:70:61:2d:31:32:2d:64:31:2d:37:38
> OPTION: 60 ( 10) Vendor class identifier GSW-2020PA
> OPTION: 77 ( 10) User-class Identification 0956657220312e30 .Ver 1.0
> 3565 5e
> OPTION: 54 ( 4) Server identifier xxx.233.57.226
> OPTION: 50 ( 4) Request IP address xxx.160.93.131
>
> Regards,
>
> //F
>
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