<div><font>Hi,</font></div><div><font><br></font></div><div>I'm trying to create instance in OpenStack Victoria. But, I am facing a issues about dhcp of neutron.</div><div><br></div><div>I have OpenStack Victoria running in one baremetl server with uniontech os(a downstream of centos 8). I have a Flat network created in the range of 10.12.21.190-10.12.21.195. I selected to have a DHCP. The instance ran, and neutron-dhcp-agent.service had allocated a IP to it. </div><div><span style="background-color: rgb(255, 255, 255);"><span class="hljs-comment" style="color: rgb(0, 128, 0); font-style: italic; font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;"># openstack server list</span><span style="color: rgb(51, 51, 51); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;">
+--------------------------------------+-------+--------+-----------------------+----------------+--------+
| ID | Name | Status | Networks | Image | Flavor |
+--------------------------------------+-------+--------+-----------------------+----------------+--------+
| 4ccae37e-fbfe-4acb-a109-e1bc9175c2e0 | inst1 | ACTIVE | provider=10.12.21.192 | centos8-server | h2 |
+--------------------------------------+-------+--------+-----------------------+----------------+--------+</span></span></div><div>But the instance can't get a response from DHCP. No any error in log. And if I setup the ip manually in the instance I can get access to the gateway, dhcp port and external network.</div><div><br></div><div>I can catpure the DHCP request in any network device in the server, include dhcp port(10.12.21.190). But no response. Dnsmasq process was running and had </div><div><span style="background-color: rgb(255, 255, 255);"><span class="hljs-comment" style="color: rgb(0, 128, 0); font-style: italic; font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;"># openstack port list</span><span style="color: rgb(51, 51, 51); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;">
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------+--------+
| ID | Name | MAC Address | Fixed IP Addresses | Status |
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------+--------+
| 5ab32ca8-2d1d-47cf-9a62-7c01d21abaf0 | | fa:16:3e:1d:48:45 | ip_address=</span><span class="hljs-string" style="color: rgb(163, 21, 21); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;">'10.12.21.192'</span><span style="color: rgb(51, 51, 51); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;">, subnet_id=</span><span class="hljs-string" style="color: rgb(163, 21, 21); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;">'3daf5a55-e76a-4093-8533-78d9464b1beb'</span><span style="color: rgb(51, 51, 51); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;"> | ACTIVE |
| 63fb2306-7759-4933-8d93-590e3a56f315 | | fa:16:3e:c5:59:9a | ip_address=</span><span class="hljs-string" style="color: rgb(163, 21, 21); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;">'10.12.21.190'</span><span style="color: rgb(51, 51, 51); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;">, subnet_id=</span><span class="hljs-string" style="color: rgb(163, 21, 21); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;">'3daf5a55-e76a-4093-8533-78d9464b1beb'</span><span style="color: rgb(51, 51, 51); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;"> | ACTIVE |
+--------------------------------------+------+-------------------+-----------------------------------------------------------------------------+--------+
</span><span class="hljs-comment" style="color: rgb(0, 128, 0); font-style: italic; font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;"># ip netns</span></span><span style="color: rgb(51, 51, 51); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;"><span style="background-color: rgb(255, 255, 255);">
qdhcp-ec2c4d9d-888b-4312-b0af-ab2127b76e0e (id: 0)
</span></span><span class="hljs-comment" style="color: rgb(0, 128, 0); font-style: italic; font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; background-color: rgb(255, 255, 255);"># sudo ip netns exec qdhcp-ec2c4d9d-888b-4312-b0af-ab2127b76e0e sudo tcpdump -n -S -i tap63fb2306-77|grep DHCP</span></div><div><span style="background-color: rgb(255, 255, 255);"><span style="color: rgb(0, 128, 0); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; font-style: italic; white-space: pre-wrap;">## notes: </span></span><font color="#008000" face="Droid Sans Mono, monospace, monospace, Droid Sans Fallback"><span style="white-space: pre-wrap;"><i>fa:16:3e:1d:48:45 is the mac of nic of inst1</i></span></font><span style="color: rgb(0, 128, 0); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; font-style: italic; white-space: pre-wrap;"> </span><span style="color: rgb(51, 51, 51); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;"><font __editorwarp__="1" style="display: inline; color: rgb(0, 128, 0); font-style: italic;"></font></span></div><div><span style="background-color: rgb(255, 255, 255);"><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;">dropped privs to tcpdump
tcpdump: verbose output suppressed, use -v or -vv </span><span class="hljs-keyword" style="color: rgb(0, 0, 255); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;">for</span><span style="color: rgb(51, 51, 51); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;"> full protocol decode
listening on tap63fb2306-77, link-type EN10MB (Ethernet), capture size 262144 bytes
16:47:18.194028 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from fa:16:3e:1d:48:45, length 276
16:47:21.146736 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from fa:16:3e:1d:48:45, length 276
16:47:25.226387 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from fa:16:3e:1d:48:45, length 276</span></span></div><div><span style="background-color: rgb(255, 255, 255);"><span style="color: rgb(51, 51, 51); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;"><br></span></span></div><div><span style="background-color: rgb(255, 255, 255);"><span style="color: rgb(51, 51, 51); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap;">more detail informations:</span></span></div><div><div style="color: rgb(51, 51, 51); background-color: rgb(245, 245, 245); font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; font-size: 16px; line-height: 22px; white-space: pre;"><div><span style="color: #aaaaaa;font-style: italic;"># ps -ef|grep dnsmasq</span></div><div>dnsmasq 7441 1 0 12月03 <span style="color: #777777;">?</span> 00:00:00 dnsmasq --no-hosts --no-resolv --pid-file=/var/lib/neutron/dhcp/ec2c4d9d-888b-4312-b0af-ab2127b76e0e/pid --dhcp-hostsfile=/var/lib/neutron/dhcp/ec2c4d9d-888b-4312-b0af-ab2127b76e0e/host --addn-hosts=/var/lib/neutron/dhcp/ec2c4d9d-888b-4312-b0af-ab2127b76e0e/addn_hosts --dhcp-optsfile=/var/lib/neutron/dhcp/ec2c4d9d-888b-4312-b0af-ab2127b76e0e/opts --dhcp-leasefile=/var/lib/neutron/dhcp/ec2c4d9d-888b-4312-b0af-ab2127b76e0e/leases --dhcp-match=set:ipxe,175 --dhcp-userclass=set:ipxe6,iPXE --local-service --bind-dynamic --dhcp-range=set:subnet-3daf5a55-e76a-4093-8533-78d9464b1beb,10.12.21.0,static,255.255.255.0,86400s --dhcp-option-force=option:mtu,1500 --dhcp-lease-max=256 --conf-file= --domain=openstacklocal</div><div>dnsmasq 317868 1 0 14:33 <span style="color: #777777;">?</span> 00:00:00 /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro --dhcp-script=/usr/libexec/libvirt_leaseshelper</div><div>root 317869 317868 0 14:33 <span style="color: #777777;">?</span> 00:00:00 /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro --dhcp-script=/usr/libexec/libvirt_leaseshelper</div><div>root 340315 317310 0 18:43 pts/2 00:00:00 grep --color=auto dnsmasq</div><div><span style="color: #777777;">[</span>root@a16 <span style="color: #777777;">~]</span><span style="color: #aaaaaa;font-style: italic;"># cat /var/lib/neutron/dhcp/ec2c4d9d-888b-4312-b0af-ab2127b76e0e/host</span></div><div>fa:16:3e:c5:59:9a,host-10-12-21-190.openstacklocal,10.12.21.190</div><div>fa:16:3e:1d:48:45,host-10-12-21-192.openstacklocal,10.12.21.192</div></div></div><div><span style="background-color: rgb(255, 255, 255);"><span class="hljs-comment" style="font-style: italic; font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(0, 128, 0);"># ovs-vsctl show</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
adbd4b0c-cb78-4b8f-b8a6-197c5948312c
Manager </span><span class="hljs-string" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(163, 21, 21);">"ptcp:6640:127.0.0.1"</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
is_connected: </span><span class="hljs-literal" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(163, 21, 21);">true</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
Bridge br0
Controller </span><span class="hljs-string" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(163, 21, 21);">"tcp:127.0.0.1:6633"</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
is_connected: </span><span class="hljs-literal" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(163, 21, 21);">true</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
fail_mode: secure
datapath_type: system
Port enp5s0
Interface enp5s0
Port phy-br0
Interface phy-br0
</span><span class="hljs-built_in" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(0, 122, 204);">type</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">: patch
options: {peer=int-br0}
Port br0
Interface br0
</span><span class="hljs-built_in" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(0, 122, 204);">type</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">: internal
Bridge br-tun
Controller </span><span class="hljs-string" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(163, 21, 21);">"tcp:127.0.0.1:6633"</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
is_connected: </span><span class="hljs-literal" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(163, 21, 21);">true</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
fail_mode: secure
datapath_type: system
Port br-tun
Interface br-tun
</span><span class="hljs-built_in" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(0, 122, 204);">type</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">: internal
Port patch-int
Interface patch-int
</span><span class="hljs-built_in" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(0, 122, 204);">type</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">: patch
options: {peer=patch-tun}
Bridge br-int
Controller </span><span class="hljs-string" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(163, 21, 21);">"tcp:127.0.0.1:6633"</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
is_connected: </span><span class="hljs-literal" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(163, 21, 21);">true</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
fail_mode: secure
datapath_type: system
Port int-br0
Interface int-br0
</span><span class="hljs-built_in" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(0, 122, 204);">type</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">: patch
options: {peer=phy-br0}
Port br-int
Interface br-int
</span><span class="hljs-built_in" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(0, 122, 204);">type</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">: internal
Port tap63fb2306-77
tag: 1
Interface tap63fb2306-77
</span><span class="hljs-built_in" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(0, 122, 204);">type</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">: internal
Port patch-tun
Interface patch-tun
</span><span class="hljs-built_in" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(0, 122, 204);">type</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">: patch
options: {peer=patch-int}
Port qvo5ab32ca8-2d
tag: 1
Interface qvo5ab32ca8-2d
ovs_version: </span><span class="hljs-string" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(163, 21, 21);">"2.13.0"</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">.
</span><span class="hljs-comment" style="font-style: italic; font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(0, 128, 0);"># ip a</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp5s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master ovs-system state UP group default qlen 1000
link/ether 1c:69:7a:92:be:30 brd ff:ff:ff:ff:ff:ff
3: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether ea:f5:ce:24:93:12 brd ff:ff:ff:ff:ff:ff
4: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
link/ether 1c:69:7a:92:be:30 brd ff:ff:ff:ff:ff:ff
inet 10.12.21.142/24 scope global br0
valid_lft forever preferred_lft forever
inet6 fe80::1e69:7aff:fe92:be30/64 scope link
valid_lft forever preferred_lft forever
5: br-int: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
link/ether ba:5d:16:cf:89:40 brd ff:ff:ff:ff:ff:ff
inet6 fe80::b85d:16ff:fecf:8940/64 scope link
valid_lft forever preferred_lft forever
9: br-tun: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 86:bb:24:69:7e:43 brd ff:ff:ff:ff:ff:ff
11: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
link/ether 52:54:00:4d:96:e4 brd ff:ff:ff:ff:ff:ff
inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
valid_lft forever preferred_lft forever
12: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel master virbr0 state DOWN group default qlen 1000
link/ether 52:54:00:4d:96:e4 brd ff:ff:ff:ff:ff:ff
13: qbr5ab32ca8-2d: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 76:0e:be:40:a6:ee brd ff:ff:ff:ff:ff:ff
14: qvo5ab32ca8-2d@qvb5ab32ca8-2d: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master ovs-system state UP group default qlen 1000
link/ether 12:90:d5:07:2a:a2 brd ff:ff:ff:ff:ff:ff
inet6 fe80::1090:d5ff:fe07:2aa2/64 scope link
valid_lft forever preferred_lft forever
15: qvb5ab32ca8-2d@qvo5ab32ca8-2d: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master qbr5ab32ca8-2d state UP group default qlen 1000
link/ether 76:0e:be:40:a6:ee brd ff:ff:ff:ff:ff:ff
inet6 fe80::740e:beff:fe40:a6ee/64 scope link
valid_lft forever preferred_lft forever
16: tap5ab32ca8-2d: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel master qbr5ab32ca8-2d state UNKNOWN group default qlen 1000
link/ether fe:16:3e:1d:48:45 brd ff:ff:ff:ff:ff:ff
inet6 fe80::fc16:3eff:fe1d:4845/64 scope link
valid_lft forever preferred_lft forever
</span><span class="hljs-comment" style="font-style: italic; font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(0, 128, 0);"># cat /etc/neutron/plugins/ml2/openvswitch_agent.ini</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
[ovs]
local_ip = 10.12.21.142
datapath_type = system
bridge_mappings = provider:br0
[vxlan]
enable_vxlan = </span><span class="hljs-literal" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(163, 21, 21);">true</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
local_ip = 10.12.21.142
l2_population = </span><span class="hljs-literal" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(163, 21, 21);">true</span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
prevent_arp_spoofing = True
[securitygroup]
enable_security_group = True
firewall_driver = neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
</span><span class="hljs-comment" style="font-style: italic; font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(0, 128, 0);"># cat /etc/neutron/dhcp_agent.ini </span><span style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(51, 51, 51);">
[DEFAULT]
interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver
dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq
enable_isolated_metadata = </span><span class="hljs-literal" style="font-family: "Droid Sans Mono", monospace, monospace, "Droid Sans Fallback"; white-space: pre-wrap; color: rgb(163, 21, 21);">true</span></span></div><div><font __editorwarp__="1" style="display: inline; font-size: 14px; font-family: "lucida Grande", Verdana, "Microsoft YaHei"; color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0); font-weight: 400; font-style: normal;"><img src="cid:3307DD07@EEDEB41E.D1F8AD61" alt=""> <img src="cid:3008DC07@74C0114D.D1F8AD61" alt=""></font></div><font __editorwarp__="1" style="display: inline; font-size: 14px; font-family: "lucida Grande", Verdana, "Microsoft YaHei"; color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0); font-weight: 400; font-style: normal;"><div style="display: block; font-size: 14px; font-family: "lucida Grande", Verdana, "Microsoft YaHei"; color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0); font-weight: 400; font-style: normal;">I would very very appreciate any kind of guidance or help.</div></font><div><font __editorwarp__="1" style="display: inline; font-size: 14px; font-family: "lucida Grande", Verdana, "Microsoft YaHei"; color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0); font-weight: 400; font-style: normal;"><br></font></div><font __editorwarp__="1" style="display: inline; font-size: 14px; font-family: "lucida Grande", Verdana, "Microsoft YaHei"; color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0); font-weight: 400; font-style: normal;"><div style="display: block; font-size: 14px; font-family: "lucida Grande", Verdana, "Microsoft YaHei"; color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0); font-weight: 400; font-style: normal;">Thanks,</div><div style="display: block; font-size: 14px; font-family: "lucida Grande", Verdana, "Microsoft YaHei"; color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0); font-weight: 400; font-style: normal;">Han Guangyu</div></font><div></div><div><includetail><!--<![endif]--></includetail></div>