<html><head><style type="text/css">.style1 {font-family: "Times New Roman";}</style></head><body>I have submitted a report to gitlab and marked confidential.<BR>
<BR>
<BR>
Justin Bail<BR>
Systems Engineer<BR>
Office: (812) 935-2429<BR>
<a href="mailto:Justin.Bail@smithville.com">Justin.Bail@smithville.com</a> | smithville.com<BR>
<BR>
<BR>
-----Original Message-----<BR>
From: Kea-users <kea-users-bounces@lists.isc.org> On Behalf Of <a href="mailto:kea-users-request@lists.isc.org">kea-users-request@lists.isc.org</a><BR>
Sent: Wednesday, July 24, 2019 3:33 PM<BR>
To: <a href="mailto:kea-users@lists.isc.org">kea-users@lists.isc.org</a><BR>
Subject: [EXTERNAL] Kea-users Digest, Vol 61, Issue 17<BR>
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Today's Topics:<BR>
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1. Re: Recieving DHCP4_PACKET_PROCESS_STD_EXCEPTION<BR>
(Thomas Markwalder)<BR>
<BR>
<BR>
----------------------------------------------------------------------<BR>
<BR>
Message: 1<BR>
Date: Wed, 24 Jul 2019 15:32:58 -0400<BR>
From: Thomas Markwalder <tmark@isc.org><BR>
To: <a href="mailto:kea-users@lists.isc.org">kea-users@lists.isc.org</a><BR>
Subject: Re: [Kea-users] Recieving DHCP4_PACKET_PROCESS_STD_EXCEPTION<BR>
Message-ID: <3bd49a4b-9885-3b78-92ce-7854a630cf27@isc.org><BR>
Content-Type: text/plain; charset="utf-8"; Format="flowed"<BR>
<BR>
Hi Justin:<BR>
<BR>
It would help us chase this down if you could send us the PCAP. You can do this by opening a bug issue in gitlab, marking it as confidential, and then attaching the PCAP.<BR>
<BR>
<a href="https://gitlab.isc.org/isc-projects/kea/issues" target="_blank">https://gitlab.isc.org/isc-projects/kea/issues</a><BR>
<BR>
<BR>
Thanks,<BR>
<BR>
Thomas Markwalder<BR>
ISC Software Engineering<BR>
<BR>
<BR>
<BR>
On 7/24/19 3:03 PM, Justin Bail wrote:<BR>
><BR>
> Setup: Ubuntu server 18.04.2 Kea 1.4.0-P1<BR>
><BR>
> We are migrating our subnets from isc dhcp to kea dhcp.? We thought we<BR>
> had everything ironed out then this came up.<BR>
><BR>
> We get these messages in kea_dhcp.log<BR>
><BR>
> ?<BR>
><BR>
><BR>
><BR>
> kea_dhcp 2019-07-24 14:57:37.878 ERROR [kea-dhcp4.packets/23825]<BR>
> DHCP4_PACKET_PROCESS_STD_EXCEPTION exception occurred during packet<BR>
> processing: failed to parse an option '1' holding string value - empty<BR>
> value is not accepted<BR>
><BR>
> ?<BR>
><BR>
> We found this in the messages doc but didn?t find specific information<BR>
> to troubleshoot it.<BR>
><BR>
> We changed logging to debug with no luck in capturing anything else<BR>
> about the discover.<BR>
><BR>
> We are only seeing these issues so far when something sends option 60<BR>
> information. Specifically Meraki devices.? We are not doing anything<BR>
> with option 60 in our config.<BR>
><BR>
> The mac address of the device does not appear in the logs which makes<BR>
> troubleshooting harder.? I did get the discover in a tcp dump from one<BR>
> of the affected devices.? That packet is below with our information<BR>
> and the customer?s redacted.<BR>
><BR>
> 13:37:41.755777 IP (tos 0x0, ttl 254, id 14712, offset 0, flags<BR>
> [none], proto UDP (17), length 382)<BR>
><BR>
> ??? gatewayaddress.bootps > harpy.bootps: [udp sum ok] BOOTP/DHCP,<BR>
> Request from customer?s mac address (oui Unknown), length 354, hops 1,<BR>
> xid 0x54ef0604, Flags [none] (0x0000)<BR>
><BR>
> ????????? Gateway-IP the subnet?s gateway here<BR>
><BR>
> ????????? Client-Ethernet-Address e0:cb:bc:bc:92:34 (oui Unknown)<BR>
><BR>
> ????????? Vendor-rfc1048 Extensions<BR>
><BR>
> ??????????? Magic Cookie 0x63825363<BR>
><BR>
> ??????????? DHCP-Message Option 53, length 1: Discover<BR>
><BR>
> ??????????? Client-ID Option 61, length 7: ether customer?s mac<BR>
><BR>
> ??????????? Hostname Option 12, length 22: "customer gear"<BR>
><BR>
> ??????????? Vendor-Class Option 60, length 6: "MERAKI"<BR>
><BR>
> ??????????? Vendor-Option Option 43, length 3: 1.0.255<BR>
><BR>
> ??????????? Parameter-Request Option 55, length 7:<BR>
><BR>
> ????????????? Subnet-Mask, Domain-Name, Default-Gateway, BR<BR>
><BR>
> ??????????? ??Hostname, Domain-Name-Server, MTU<BR>
><BR>
> ??????????? Agent-Information Option 82, length 48:<BR>
><BR>
> ????????????? Circuit-ID SubOption 1, length 32: **********<BR>
><BR>
> ????????????? Remote-ID SubOption 2, length 12: **************<BR>
><BR>
> ??????????? END Option 255, length 0<BR>
><BR>
> ??????????? SS Option 16, length 0<BR>
><BR>
> ??????????? PAD Option 0, length 0, occurs 2|[rfc1048]<BR>
><BR>
> Justin Bail<BR>
> Systems Engineer<BR>
> Office:(812) 935-2429<BR>
> Justin.Bail@smithville.com|smithville.com<BR>
> <http://www.smithville.com/<BR>
> ille.com><BR>
><BR>
><BR>
><BR>
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