Answers:
这是非常好的格式-我使用的格式完全相同。仅我在行尾添加了注释(除此之外)。这是工作摘录dhcpd.conf
:
host wrt45gl-etika { hardware ethernet 00:21:29:a1:c3:a1; fixed-address ---.219.43.135; } # MSIE routeris WRT54GL
正如@Christoph提到的那样,可能声明了全局选项(或使用了服务默认值),这可能会影响IP分配方式/可能会覆盖它。
从dhcp3-server(v3)迁移到isc-dhcp-server(v4)时,我需要添加一些强制性选项并重写一些声明。但是配置文件的结构仍然很简单:
#
# Sample configuration file for ISC dhcpd for Debian
#
# The ddns-updates-style parameter controls whether or not the server will
# attempt to do a DNS update when a lease is confirmed. We default to the
# behavior of the version 2 packages ('none', since DHCP v2 didn't
# have support for DDNS.)
ddns-update-style none;
# option definitions common to all supported networks...
option domain-name "mf.vu.---";
option domain-name-servers ---.219.80.11, ---.219.80.2, ---.171.22.22;
default-lease-time 2678400;
max-lease-time 2678400;
# If this DHCP server is the official DHCP server for the local
# network, the authoritative directive should be uncommented.
authoritative;
# Use this to send dhcp log messages to a different log file (you also
# have to hack syslog.conf to complete the redirection).
log-facility local7;
# The subnet that shares this physical network
shared-network TOTAL_MF {
server-name "letta.mf.vu.--";
subnet ---.219.43.128 netmask 255.255.255.192 {
option routers ---.219.43.190;
option broadcast-address ---.219.43.191;
group {
host wrt45gl-etika { hardware ethernet 00:21:29:a1:c3:a1; fixed-address ---.219.43.135; } # MSIE routeris WRT54GL
# ...
host saulute { hardware ethernet 00:21:28:10:f4:16; fixed-address ---.219.43.189; } # Virtual Qemu PC NIC
}
}
subnet 172.16.43.128 netmask 255.255.255.192 {
option routers 172.16.43.129;
option broadcast-address 172.16.43.191;
group{
host ligo { hardware ethernet 08:00:20:7A:E2:70; fixed-address 172.16.43.179; } #a225 ligo
# ...
host vumfsa2 { hardware ethernet 00:80:48:8d:12:f0; fixed-address 172.16.43.140; } # 118
}
}
}
那里我没有使用pool
,没有range
声明。只有两个子网声明(一个后跟另一个)。
我没有在此处声明的主机分配任何随机IP(与MAC绑定)。
255.255.255.255
?
我不知道您的dhcpd.conf,但是如果您有 allow unknown-clients
声明,则应添加allow known-clients
。
如果我没记错的话,固定IP不应在DHCP服务器分发给客户端的范围内。
当主机具有来自同一DHCP服务器的旧地址时,服务器可以分发旧租约,只要该租约有效即可,即租约时间未到期。
如果您可以提供更多配置,那将会有所帮助。
255.255.255.255
。我还需要一些post-up route add
和pre-down route del
工作。我可以还是应该在这里做所有这些?