Re: Is option netbios-name-servers working?
p0wn3rs <[email protected]>
| Newsgroups | gmane.network.dhcp.isc.dhcp-client |
|---|---|
| Message-ID | <[email protected]> |
Hi, thanks then that's the reason, actually the client isn't asking for it because it's on linux so obviously won't ask for WINS. I thought that the server will push them by default regardless of what the client asks. Thanks. On 10/8/21 02:37, Glenn Satchell wrote: > Hi, > > The client sends a dhcp-option-request asking for a list of specific > options. The server only sends the options to the client if it asks > for them, and if it is configured. > > Can you find the DHCPREQUEST packet from the client in your wireshark > dump and see what options it asked for? > > What does your dhcpd.conf look like? > > regards, > Glenn > > On 2021-10-08 03:01, p0wn3rs wrote: >> Hi, >> >> I was doing some testing with dhcp-server-4.4.1, and although option >> netbios-name-servers is configured, is not being pushed to the >> client. >> This is the tcpdump that I see (verified also with wireshark) and >> netbios-name-servers is no where to be found in the DHCP Offer. >> >> 17:50:38.398426 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], >> proto UDP (17), length 353) >> 192.168.0.15.67 > 192.168.0.21.68: [udp sum ok] BOOTP/DHCP, Reply, >> length 325, xid 0x88cd9dd1, secs 1, Flags [none] (0x0000) >> Your-IP 192.168.0.21 >> Client-Ethernet-Address 08:00:27:80:d0:80 >> Vendor-rfc1048 Extensions >> Magic Cookie 0x63825363 >> DHCP-Message Option 53, length 1: ACK >> Server-ID Option 54, length 4: 192.168.0.15 >> Lease-Time Option 51, length 4: 2920 >> Subnet-Mask Option 1, length 4: 255.255.255.0 >> Domain-Name-Server Option 6, length 8: 192.168.0.15,1.1.1.1 >> Domain-Name Option 15, length 4: "test" >> Default-Gateway Option 3, length 4: 192.168.0.15 >> NTP Option 42, length 8: 192.168.0.15 >> >> Am I looking in the wrong place or is it really not working? >> >> thanks. >> >> >> _______________________________________________ >> ISC funds the development of this software with paid support >> subscriptions. Contact us at https://www.isc.org/contact/ for more >> information. >> >> dhcp-users mailing list >> [email protected] >> https://lists.isc.org/mailman/listinfo/dhcp-users > _______________________________________________ > ISC funds the development of this software with paid support > subscriptions. Contact us at https://www.isc.org/contact/ for more > information. > > dhcp-users mailing list > [email protected] > https://lists.isc.org/mailman/listinfo/dhcp-users _______________________________________________ ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. dhcp-users mailing list [email protected] https://lists.isc.org/mailman/listinfo/dhcp-users