About duplication IP Settings on Cisco L3 Switch

Question

I set up the IP for Cisco L3 switch, but why is the error only eth 1/2 even though there is an IP duplication as shown below?

SW(config)#
SW(config)# interface mgmt 0
SW(config-if)# ip address 192.168.1.1/24
SW(config-if)# no shutdown
SW(config-if)# exit
SW(config)#
SW(config)#
SW(config)# interface vlan 10
SW(config-if)# ip address 192.168.1.1/24
SW(config-if)# exit
SW(config)#
SW(config)#
SW(config)# int ethernet 1/1
SW(config-if)# no switchport
SW(config-if)# ip address 192.168.1.1/24
SW(config-if)# no shut
SW(config-if)#
SW(config-if)#
SW(config-if)# int ethernet 1/2
SW(config-if)# 
SW(config-if)# no switchport
SW(config-if)# ip address 192.168.1.1/24
% 192.168.1.1/24 overlaps with address configured on Ethernet1/1
SW(config-if)#

what is a product model?? – serverAdmin123 Jun 24 '19 at 10:30 — serverAdmin123, Jun 24 '19 at 10:30
>what is a product model?? 　→　It's Nexus. – dum0785 Jun 26 '19 at 07:06 — dum0785, Jun 26 '19 at 07:06

score 0 · Accepted Answer · answered Jun 22 '19 at 13:40

0

I'm assuming this is a Nexus switch.

The management port is in a separate VRF by default. So duplication is allowed.
The Vlan interface is shutdown, so addresses aren't checked.
You've enabled Eth 1/1, so the switch starts checking other addresses you enter against it.

answered Jun 22 '19 at 13:40

Ron Trunk

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This is very answer, 1 ! thank you. – dum0785 Jun 27 '19 at 06:54

About duplication IP Settings on Cisco L3 Switch

1 Answers1