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[Nathanael Burton <nathanael.i.burton@xxxxxxxxx>]

Usually the line in dnsmasq.conf looks like this (below). Haven't used
Quantum yet so don't know if the 'dhcp-option=' part being missing is the
problem or not.

dhcp-option=tag:'unicorns',option:router,172.16.100.1

Nate
On Nov 30, 2012 12:10 PM, "Robert van Leeuwen" <
Robert.vanLeeuwen@xxxxxxxxxxxxx> wrote:

> >Yes the tag setting should be in the opts file.
> Ok, thanks, at least I do not have to look for a wrong configuration then.
>
> > What version of dnsmasq are you running?
> dnsmasq-2.48-6.el6.x86_64
>
> > Also can you get a tcpdump of the DHCP traffic?
> FYI: this is a different subnet example
>
> This is the opts file:
> tag:tag0,option:router,172.16.51.254
> The 172.16.51.100 is the dhcp server
>
> The tcpdump:
>
> 18:04:29.000231 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto
> UDP (17), length 338)
>     0.0.0.0.bootpc > 255.255.255.255.bootps: [udp sum ok] BOOTP/DHCP,
> Request from fa:16:3e:9b:99:5a, length 310, xid 0xf1ffd930, Flags [none]
> (0x0000)
>           Client-Ethernet-Address fa:16:3e:9b:99:5a
>           Vendor-rfc1048 Extensions
>             Magic Cookie 0x63825363
>             DHCP-Message Option 53, length 1: Request
>             Requested-IP Option 50, length 4: 172.16.51.101
>             Parameter-Request Option 55, length 13:
>               Subnet-Mask, BR, Time-Zone, Classless-Static-Route
>               Domain-Name, Domain-Name-Server, Hostname, YD
>               YS, NTP, MTU, Option 119
>               Default-Gateway
>             Vendor-Class Option 60, length 43: "anaconda-Linux
> 2.6.32-279.el6.x86_64 x86_64"
>             END Option 255, length 0
> 18:04:29.000441 IP (tos 0x0, ttl 64, id 20383, offset 0, flags [none],
> proto UDP (17), length 351)
>     172.16.51.100.bootps > 172.16.51.101.bootpc: [bad udp cksum b940!]
> BOOTP/DHCP, Reply, length 323, xid 0xf1ffd930, Flags [none] (0x0000)
>           Your-IP 172.16.51.101
>           Server-IP 172.16.51.100
>           Client-Ethernet-Address fa:16:3e:9b:99:5a
>           Vendor-rfc1048 Extensions
>             Magic Cookie 0x63825363
>             DHCP-Message Option 53, length 1: ACK
>             Server-ID Option 54, length 4: 172.16.51.100
>             Lease-Time Option 51, length 4: 120
>             RN Option 58, length 4: 60
>             RB Option 59, length 4: 105
>             Subnet-Mask Option 1, length 4: 255.255.252.0
>             BR Option 28, length 4: 172.16.51.255
>             Default-Gateway Option 3, length 4: 172.16.51.100
>             Domain-Name-Server Option 6, length 4: 172.16.51.100
>             Domain-Name Option 15, length 14: "openstacklocal"
>             Hostname Option 12, length 13: "172-16-51-101"
>             END Option 255, length 0
>
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