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Bug 2130756

Summary: [Baremetal][PXE] Allow for setting the "next-server" field in the DHCPOFFER header
Product: Red Hat Enterprise Linux Fast Datapath Reporter: OVN Bot <ovn-bot>
Component: ovn22.03Assignee: Lucas Alvares Gomes <lmartins>
Status: CLOSED ERRATA QA Contact: ying xu <yinxu>
Severity: high Docs Contact:
Priority: high    
Version: FDP 20.ICC: ctrautma, jiji, jishi, mmichels, ralongi
Target Milestone: ---   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: ovn22.03-22.03.0-101.el9fdp Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2022-11-03 00:27:00 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description OVN Bot 2022-09-29 04:04:55 UTC 
This is an automatically-generated clone of issue https://bugzilla.redhat.com/show_bug.cgi?id=2083629
Comment 3 ying xu 2022-10-20 07:22:45 UTC 
verified version:
ovn22.03-22.03.0-106.el9fdp.x86_64

set the dhcp-option as below:

# ovn-nbctl list dhcp-options
_uuid               : 036d9902-3cd8-4d0e-9220-a53f507a9640
cidr                : "172.16.102.0/24"
external_ids        : {}
options             : {classless_static_route="{169.254.169.254/32,172.16.102.1, 155.45.128.0/17,172.16.102.1, 161.89.0.0/16,172.16.102.1 0.0.0.0/0,172.16.102.1}", lease_time="3600", next_server="172.16.103.254", router="172.16.102.254", server_id="172.16.102.254", server_mac="00:de:ad:ff:01:02"}
[root@dell-per730-19 dhcp]# 

then 
02:55:16.251522 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 341)
    172.16.102.254.67 > 172.16.102.11.68: BOOTP/DHCP, Reply, length 313, xid 0x5fcd7d11, Flags [none]
	  Your-IP 172.16.102.11
	  Server-IP 172.16.103.254
	  Client-Ethernet-Address 00:de:ad:01:00:01
	  Vendor-rfc1048 Extensions
	    Magic Cookie 0x63825363
	    DHCP-Message Option 53, length 1: ACK
	    T253 Option 253, length 4: 2886756350      --------------here is the next-server option
	    Classless-Static-Route Option 121, length 29: (169.254.169.254/32:172.16.102.1),(155.45.128.0/17:172.16.102.1),(161.89.0.0/16:172.16.102.1),(default:172.16.102.1)
	    Lease-Time Option 51, length 4: 3600
	    Subnet-Mask Option 1, length 4: 255.255.255.0
	    Default-Gateway Option 3, length 4: 172.16.102.254
	    Server-ID Option 54, length 4: 172.16.102.254
Comment 5 errata-xmlrpc 2022-11-03 00:27:00 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (ovn22.03), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:7394