openstack team mailing list archive

[Robert van Leeuwen <Robert.vanLeeuwen@xxxxxxxxxxxxx>]

>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