Dell PowerSwitch S4112F-ON EMC SmartFabric OS10 User Guide Release 10.5.1 - Page 258
L3 mode configuration
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A Trunk interface carries VLAN traffic that is tagged using 802.1q encapsulation. If an Access interface receives a packet with an 802.1q tag in the header that is different from the Access VLAN ID, it drops the packet. By default, a trunk interface carries only untagged traffic on the Access VLAN. You must manually configure other VLANs for tagged traffic. 1. Select one of the two available options: ● Configure L2 trunking in INTERFACE mode and the tagged VLAN traffic that the port can transmit. By default, a trunk port is not added to any tagged VLAN. You must create a VLAN before you can assign the interface to it. switchport mode trunk switchport trunk allowed vlan vlan-id-list ● Reconfigure the access VLAN assigned to a L2 access or trunk port in INTERFACE mode. switchport access vlan vlan-id 2. Enable the interface for L2 traffic transmission in INTERFACE mode. no shutdown L2 interface configuration OS10(config)# interface ethernet 1/1/7 OS10(conf-if-eth1/1/7)# switchport mode trunk OS10(conf-if-eth1/1/7)# switchport trunk allowed vlan 5,10 OS10(conf-if-eth1/1/7)# no shutdown L3 mode configuration Ethernet and port-channel interfaces are in L2 access mode by default. When you disable the L2 mode and then assign an IP address to an Ethernet port interface, you place the port in L3 mode. Configure one primary IP address in L3 mode. You can configure up to 255 secondary IP addresses on an interface. At least one interface in the system must be in L3 mode before you configure or enter a L3-protocol mode, such as OSPF. 1. Remove a port from L2 switching in INTERFACE mode. no switchport 2. Configure L3 routing in INTERFACE mode. Add secondary to configure backup IP addresses. ip address address [secondary] 3. Enable the interface for L3 traffic transmission in INTERFACE mode. no shutdown L3 interface configuration OS10(config)# interface ethernet 1/1/9 OS10(conf-if-eth1/1/9)# no switchport OS10(conf-if-eth1/1/9)# ip address 10.10.1.92/24 OS10(conf-if-eth1/1/9)# no shutdown View L3 configuration error OS10(config)# interface ethernet 1/1/14 OS10(conf-if-eth1/1/14)# ip address 10.1.1.2/24 % Error: Interface ethernet1/1/14, IP address cannot exist with L2 modes. 258 Interfaces
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