Reference Guide

332 | Dynamic Host Configuration Protocol (DHCP)
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Figure 14-4. Configuring S5000 Switch as a DHCP Relay Device
To view the ip helper-address configuration for an interface, use the command show ip interface from
EXEC privilege mode, as shown in the following example.
Figure 14-5. Displaying the Helper Address Configuration
Configuring the System for User Port Stacking
When you set the DHCP offer on the DHCP server, you can set the stacking-option variable to provide the
stack-port detail so a stack can be formed when the units are connected.
R1(conf-if-gi-1/3)#show config
!
interface GigabitEthernet 1/3
ip address 10.11.0.3/24
ip helper-address 10.11.1.5
ip helper-address 10.11.2.5
no shutdown
1/3
Unicast
DHCP Server
10.11.1.5
DHCP Server
10.11.2.5
Broadcast
Source IP : 10.11.1.5
Destination IP: 255.255.255.255
Source Port: 67
Destination Port: 68
Unicast
Source IP : 0.0.0.0
Destination IP: 10.11.1.5
Source Port: 67
Destination Port: 67
Relay Agent Address: 10.11.0.3
1/4
Unicast
Source IP : 10.11.1.5
Destination IP: 10.11.0.3
Source Port: 67
Destination Port: 68
Broadcast
Source IP : 0.0.0.0
Destination IP: 255.255.255.255
Source Port: 68
Destination Port: 67
Relay Agent Address: 0.0.0.0
Dell#show ip int tengig 1/3
TenGigabitEthernet 1/3 is up, line protocol is down
Internet address is 10.11.0.1/24
Broadcast address is 10.11.0.255
Address determined by user input
IP MTU is 1500 bytes
Helper address is 192.168.0.1
192.168.0.2
Directed broadcast forwarding is disabled
Proxy ARP is enabled
Split Horizon is enabled
Poison Reverse is disabled
ICMP redirects are not sent
ICMP unreachables are not sent