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author | Simon Kelley <simon@thekelleys.org.uk> | 2004-12-13 20:56:23 +0000 |
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committer | Simon Kelley <simon@thekelleys.org.uk> | 2012-01-05 17:31:11 +0000 |
commit | bb01cb9604d6cae2f1514eca174b5db080c716e9 (patch) | |
tree | a32fabbcf78959cf8ee3af14bbe511eb689e6eee /FAQ | |
parent | 59353a6b5643cf71f1af21a68d734da68ec95bd1 (diff) | |
download | dnsmasq-bb01cb9604d6cae2f1514eca174b5db080c716e9.tar.gz |
import of dnsmasq-2.19.tar.gzv2.19
Diffstat (limited to 'FAQ')
-rw-r--r-- | FAQ | 19 |
1 files changed, 17 insertions, 2 deletions
@@ -115,7 +115,7 @@ A: Resolver code sometime does strange things when given names without --expand-hosts and --domain-suffix options. Q: Can I get dnsmasq to save the contents of its cache to disk when - I shut my machine down and re-load when it starts again. + I shut my machine down and re-load when it starts again? A: No, that facility is not provided. Very few names in the DNS have their time-to-live set for longer than a few hours so most of the @@ -299,7 +299,22 @@ A: Because when a Gentoo box shuts down, it releases its lease with dnsmasq ignores it until is times out and restarts the process. To fix this, set the dhcp-authoritative flag in dnsmasq. - +Q: My laptop has two network interfaces, a wired one and a wireless + one. I never use both interfaces at the same time, and I'd like the + same IP and configuration to be used irrespcetive of which + interface is in use. How can I do that. + +A: By default, the identity of a machine is determined by using the + MAC address, which is associated with interface hardware. Once an + IP is bound to the MAC address of one interface, it cannot be + associated with another MAC address until after the DHCP lease + expires. The solution to this is to use a client-id as the machine + identity rather than the MAC address. If you arrange for the same + client-id to sent when either interface is in use, the DHCP server + will recognise the same machine, and use the same address. The + method for setting the client-id varies with DHCP client software, + dhcpcd uses the "-I" flag. Windows uses a registry setting, + see http://www.jsiinc.com/SUBF/TIP2800/rh2845.htm |