Client can not get ip from dhcp server (vlan 11)
2022-06-25 00:49:05
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Network Topology
client ---------- S5130S----------------S7503E
Problem Description
From access switch end user
is not getting IP from DHCP pool (Vlan 11)
Process Analysis
By analyzing the packet capture files and diagnostic information, the dhcp offer message do not sent to the S5130.
i found :
#
dhcp snooping enable
#
#
interface Ten-GigabitEthernet1/0/25
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 6 11 16 1001
port link-aggregation group 1
#
interface Ten-GigabitEthernet1/0/26
port link-type trunk
undo port trunk permit vlan 1
port trunk permit vlan 6 11 16 1001
port link-aggregation group 1
#
but in port , there is no dhcp snooping trust
Solution
configure dhcp snooping trust on the port to dhcp server