请教，有人使用过udhcp吗？

share_network_0

如题，如果有人使用过，请问一下，udhcp能够做到dhcp中针对不同网段进行ip分配吗？比如能够实现dhcp 中share_network{}这样功能的实现吗？

ssffzz1

dhcp能够做到dhcp中针对不同网段进行ip分配吗

标准的DHCP实现应该都没问题的。这个是DHCP必须做的东西。

后一个不确定了。这2个应该不是一个功能。

share_network_0

感谢版主关注！
  我在udhcpd.conf中只看到了 start end 等这样的参数。并没有像dhcpd中其它的parameters，和declarations。我将它的conf文件贴出来：
# Sample udhcpd configuration file (/etc/udhcpd.conf)

# The start and end of the IP lease block

start                 192.168.0.20        #default: 192.168.0.20
end                192.168.0.254        #default: 192.168.0.254


# The interface that udhcpd will use

interface        eth0                #default: eth0


# The maximim number of leases (includes addressesd reserved
# by OFFER's, DECLINE's, and ARP conficts

#max_leases        254                #default: 254


# If remaining is true (default), udhcpd will store the time
# remaining for each lease in the udhcpd leases file. This is
# for embedded systems that cannot keep time between reboots.
# If you set remaining to no, the absolute time that the lease
# expires at will be stored in the dhcpd.leases file.

#remaining        yes                #default: yes


# The time period at which udhcpd will write out a dhcpd.leases
# file. If this is 0, udhcpd will never automatically write a
# lease file. (specified in seconds)

#auto_time        7200                #default: 7200 (2 hours)


# The amount of time that an IP will be reserved (leased) for if a
# DHCP decline message is received (seconds).

#decline_time        3600                #default: 3600 (1 hour)


# The amount of time that an IP will be reserved (leased) for if an
# ARP conflct occurs. (seconds

#conflict_time        3600                #default: 3600 (1 hour)


# How long an offered address is reserved (leased) in seconds

#offer_time        60                #default: 60 (1 minute)

# If a lease to be given is below this value, the full lease time is
# instead used (seconds).

#min_lease        60                #defult: 60


# The location of the leases file

#lease_file        /var/lib/misc/udhcpd.leases        #defualt: /var/lib/misc/udhcpd.leases

# The location of the pid file
#pidfile        /var/run/udhcpd.pid        #default: /var/run/udhcpd.pid

# Everytime udhcpd writes a leases file, the below script will be called.
# Useful for writing the lease file to flash every few hours.

#notify_file                                #default: (no script)

#notify_file        dumpleases         # <--- usefull for debugging

# The following are bootp specific options, setable by udhcpd.

#siaddr                192.168.0.22                #default: 0.0.0.0

#sname                zorak                        #default: (none)

#boot_file        /var/nfs_root                #default: (none)

# The remainer of options are DHCP options and can be specifed with the
# keyword 'opt' or 'option'. If an option can take multiple items, such
# as the dns option, they can be listed on the same line, or multiple
# lines. The only option with a default is 'lease'.

#Examles
opt        dns        192.168.10.2 192.168.10.10
option        subnet        255.255.255.0
opt        router        192.168.10.2
opt        wins        192.168.10.10
option        dns        129.219.13.81        # appened to above DNS servers for a total of 3
option        domain        local
option        lease        864000                # 10 days of seconds


# Currently supported options, for more info, see options.c
#subnet
#timezone
#router
#timesvr
#namesvr
#dns
#logsvr
#cookiesvr
#lprsvr
#bootsize
#domain
#swapsvr
#rootpath
#ipttl
#mtu
#broadcast
#wins
#lease
#ntpsrv
#tftp
#bootfile

这里边并不能设置其它参数和功能。因此我怀疑udhcpd只能分配同网段的ip,不能跨网段分配。
BTW: 版主您以前用过udhcp这个程序吗？

ssffzz1

我没用过，你再慢慢研究一下吧。