provides for an enterprise class line of features on the Cisco ISR 4000 series routers, greatly expanding the capabilities of the router by integrating industry-leading Layer 2 switching with feature sets that are built on the lines of those found in the Cisco Catalys...
TheCisco®Industrial Ethernet 3010 Series (IE 3010) is a family of rack-mount L2/L3 switches provide fiber SFP layer 3 aggregation and Power over Ethernet (PoE) configurations in the harsh industrial environment.It brings Cisco's leadership in switching to industrial Ethernet ...
Switch(config)# ip source binding mac-address vlan vlan-id ip-address interface type mod/num 例如:Switch(config)# ip source binding 0016.d49f.4866 vlan 104 192.168.10.3 interface fa0/2 Switch(config-if)# interface gigabitethernet 0/1 trust端口,连接DHCP服务器或者上联端口 Switch(config-if)#...
This 24 ports WEB Smart gigabit PoE Switches fill the gap between unmanaged and fully managed switches.It is designed for growing businesses that want control over their network without the cost and complexity of a full Layer 2 management implementation. This PoE-c...
If the none red highlighted ones are layer-3, you should be fine. If they are layer-2, make sure to use the same type of STP protocol as the rest and know where the root and backup root switches are. HTH View solution in original post ...
I would like to have a nice explanation on a couple of things regarding layer 2 & 3 switches. The last time I asked this question it kind of went in different directions, so to avoid that I'll try and be clearer. These things below are what I do not need explanations on (followed ...
Cisco Meraki MS120 switches provide Layer 2 access switching, ideal for branch and campus deployments. The MS120 series features a variety of power options designed to meet the diverse needs of …
Some common Layer 1 problems include the interface is administratively shut down. On switches, interfaces are up by default, but administrators can manually shut them down. It's actually best practice to shut down unused interfaces to stop users from plugging devices in there. On routers, interfa...
Cisco Switches/Router Layer 3 Security 1. Enable secure Telnet access to a router user interface, and consider using Secure Shell (SSH) instead of Telnet. 2. Enable SNMP security, particularly adding SNMPv3 support. 3. Turn off all unnecessary services on the router platform ( AutoSecure )....
As a result, devices in separate VLANs require a Layer 3 forwarding device (e.g.: a router) to communicate with each other. The L3 device can be external to the switch or it can be a feature in the same switch. Layer2-only switches require an external L3 routing device to provide ...