dhcprelay_dhcp relay桥接要用吗_水星路由器 dhcp relay

[H3C]sysname DHCPServer

[DHCPServer]int s1/0

[DHCPServer-Serial1/0]ip address 12.1.1.1 255.255.255.0

[DHCPServer-Serial1/0]undo shu

[DHCPServer-Serial1/0]link-protocol ?

fr Frame Relay protocol

hdlcHigh-level Data Link Control protocol

ppp Point-to-Point protocol

stlpSynchronization Transparent Transport Link protocol

[DHCPServer-Serial1/0]link-protocol ppp

[DHCPServer-Serial1/0]exit

[DHCPServer]ip route-static 23.2.2.0 255.255.255.0 12.1.1.2

[DHCPServer]dhcp enable

[DHCPServer]dhcp server ip-pool wudi

[DHCPServer-dhcp-pool-wudi]network 23.2.2.0 mask 255.255.255.0

[DHCPServer-dhcp-pool-wudi]gateway-list 23.2.2.2

[DHCPServer-dhcp-pool-wudi]quit

[DHCPServer]save

R2上

<H3C>sys

System View: return to User View with Ctrl+Z.

[H3C]sysname DHCPRelay

[DHCPRelay]dhcp enable

[DHCPRelay]int s1/0

[DHCPRelay-Serial1/0]ip address 12.1.1.2 255.255.255.0

[DHCPRelay-Serial1/0]undo shu

[DHCPRelay-Serial1/0]qui

[DHCPRelay]int g0/0

[DHCPRelay-GigabitEthernet0/0]ip add 23.2.2.2 255.255.255.0

[DHCPRelay-GigabitEthernet0/0]undo shu

[DHCPRelay-GigabitEthernet0/0]dhcp select relay

[DHCPRelay-GigabitEthernet0/0]dhcp relay server-address 12.1.1.1

R3上

[H3C]sysname DHCPClient

[DHCPClient]int g0/0

[DHCPClient-GigabitEthernet0/0]ip add dhcp-alloc

验证:

R3

[DHCPClient]dis ip int b

*down: administratively down

(s): spoofing(l): loopback

Intece Physical Protocol IP Address Description

GE0/0 up up 23.2.2.1 --

GE0/1 down down -- --

GE0/2 down down -- --

GE5/0 down down -- --

GE5/1 down down -- --

GE6/0 down down -- --

GE6/1 down down -- --

Ser1/0 down down -- --

Ser2/0 down down -- --

Ser3/0 down down -- --

Ser4/0 down down -- --

[DHCPClient]dis dhcp client

GigabitEthernet0/0 DHCP client information:

Current state: BOUND

Allocated IP: 23.2.2.1 255.255.255.0

Allocated lease: 86400 seconds, T1: 38293 seconds, T2: 75600 seconds

DHCP server: 12.1.1.1

R1

[DHCPServer]dis dhcp server ip-in-use

IP address Client identifier/ Lease expiration Type

Hardware address

23.2.2.1 0033-3234-302e-3664-Jul9 15:37:35 2015Auto(C)

3234-2e30-3330-352d-

4745-302f-30

R1

[DHCPServer]ping 23.2.2.1

Ping 23.2.2.1 (23.2.2.1): 56 data bytes, press CTRL_C to break

56 bytes from 23.2.2.1: icmp_seq=0 ttl=254 time=2.211 ms

56 bytes from 23.2.2.1: icmp_seq=1 ttl=254 time=1.382 ms

56 bytes from 23.2.2.1: icmp_seq=2 ttl=254 time=2.971 ms

56 bytes from 23.2.2.1: icmp_seq=3 ttl=254 time=1.370 ms

56 bytes from 23.2.2.1: icmp_seq=4 ttl=254 time=1.787 ms

--- Ping statistics for 23.2.2.1 ---

5 packets transmitted, 5 packets received, 0.0% packet loss

round-trip min/avg/max/std-dev = 1.370/1.944/2.971/0.599 ms

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