display dhcp server tree 这个命令H3C不支持了吗？

没有了，可以参考

# 显示所有DHCP地址池的信息。

<Sysname> display dhcp server pool

Pool name: 0

  Network 20.1.1.0 mask 255.255.255.0

  class a range 20.1.1.50 20.1.1.60

  bootfile-name abc.cfg

  dns-list 20.1.1.66 20.1.1.67 20.1.1.68

  domain-name ***.***

  bims-server ip 192.168.0.51 sharekey cipher $c$3$K13OmQPi791YvQoF2Gs1E+65LOU=

  option 2 ip-address 1.1.1.1

  expired 1 2 3 0

Pool name: 1

  Network 20.1.1.0 mask 255.255.255.0

  secondary networks:

    20.1.2.0 mask 255.255.255.0

    20.1.3.0 mask 255.255.255.0

  bims-server ip 192.168.0.51 port 50 sharekey cipher $c$3$K13OmQPi791YvQoF2Gs1E+65LOU=

  forbidden-ip 20.1.1.22 20.1.1.36 20.1.1.37

  forbidden-ip 20.1.1.22 20.1.1.23 20.1.1.24

  gateway-list 1.1.1.1 2.2.2.2 4.4.4.4

  nbns-list 5.5.5.5 6.6.6.6 7.7.7.7

  netbios-type m-node

  option 2 ip-address 1.1.1.1

  expired 1 0 0 0

Pool name: 2

  Network 20.1.1.0 mask 255.255.255.0

  address range 20.1.1.1 to 20.1.1.15

  class departmentA range 20.1.1.20 to 20.1.1.29

  class departmentB range 20.1.1.30 to 20.1.1.40

  next-server 20.1.1.33

  tftp-server domain-name ***.***

  tftp-server ip-address 192.168.0.120

  voice-config ncp-ip 10.1.1.2

  voice-config as-ip 10.1.1.5

  voice-config voice-vlan 3 enable

  voice-config fail-over 10.1.1.1 123*

  option 2 ip-address 1.1.1.3

  expired 1 0 0 0