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Hi all,

My remote network is a different one: 10.41.94.240/28, just in case :)

Should I add the remote network or subnet to my existing network in
undercloud? Or new subnet, which is configured on remote site?
if yes,
  how to specify, that A host should be used on the A network, and B host
on the B network.
  how to add it?
fi

I believe FW is all to all. But at this stage, my main concern is that I do
not get any info into log in dnsmasq.log

Any thoughts?


On Sun, 12 Apr 2020 at 21:39, Ruslanas Gžibovskis <ruslanas at lpic.lt> wrote:

> Hi all,
>
> Could someone help me, I do not get, I try to boot remote host (behind
> Firewall). I have dhcp-relay configured. And finally, I see the DHCP
> request, but nothing else happens... except me crying ;'( "D
>
>
> DHCP request captured on undercloud vnet5 where dhcp is listening also on
> eth1, But I am not able to load a remote host. I had a thought, maybe DHCP
> is generally not working, but one node which is local, I am able to
> introspect and provide it.
> completely nothing in /var/log/containers/ironic-inspector/dnsmasq.log
>
> Any suggestions?
>
> My network, which I used and have configured on undercloud host is:
> 10.120.191.80/28 and IP for DHCP which is configured as dhcp relay is 94.
>
> output from tcpdump:
> 21:19:00.058565 40:a6:77:4b:07:cb > 52:54:00:20:c1:dc, ethertype IPv4
> (0x0800), length 590: (tos 0x0, ttl 58, id 60458, offset 0, flags [none],
> proto UDP (17), length 576)
>     10.41.94.241.67 > 10.120.191.94.67: [udp sum ok] BOOTP/DHCP, Request
> from 24:6e:96:14:a1:a4, length 548, hops 1, xid 0x9614a1a4, secs 12, Flags
> [Broadcast] (0x8000)
>  Gateway-IP 10.41.94.241
>  Client-Ethernet-Address 24:6e:96:14:a1:a4
>  Vendor-rfc1048 Extensions
>    Magic Cookie 0x63825363
>    DHCP-Message Option 53, length 1: Discover
>    Parameter-Request Option 55, length 36:
>      Subnet-Mask, Time-Zone, Default-Gateway, Time-Server
>      IEN-Name-Server, Domain-Name-Server, RL, Hostname
>      BS, Domain-Name, SS, RP
>      EP, RSZ, TTL, BR
>      YD, YS, NTP, Vendor-Option
>      Requested-IP, Lease-Time, Server-ID, RN
>      RB, Vendor-Class, TFTP, BF
>      Option 128, Option 129, Option 130, Option 131
>      Option 132, Option 133, Option 134, Option 135
>    MSZ Option 57, length 2: 1260
>    GUID Option 97, length 17:
> 0.68.69.76.76.57.0.16.56.128.80.200.192.79.56.68.50
>    ARCH Option 93, length 2: 0
>    NDI Option 94, length 3: 1.2.1
>    Vendor-Class Option 60, length 32: "PXEClient:Arch:00000:UNDI:002001"
>
> --
> Ruslanas Gžibovskis
> +370 6030 7030
>


-- 
Ruslanas Gžibovskis
+370 6030 7030
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