Learn how to configure and manage a Cisco Switch step by step with this basic switch commands and configuration guide. The above means that all of the home devices will be getting IP address from the ISP router and use this router for Internet access.

This output shows how to configure the Gigabit Ethernet interfaces on the Catalyst 2948G-L3 and the Catalyst 3548 XL in order to form a Gigabit EtherChannel link between the two devices: This output shows how to configure the Catalyst 2948G-L3 for bridging. This exception is also appropriate because the user subnets are relatively small; each subnet contains no more than 126 host addresses.

The default gateway is the IP address of a router interface in the core.

All of the devices used in this document started with a cleared (default) configuration. Over the years he has acquired several professional certifications such as CCNA, CCNP, CEH, ECSA etc.I love your tutorials. Also, you need to connect the ISP router to the Cisco switch as well and have the router assign IP addresses via DHCP to all client devices. Spanning-tree is disabled on all interfaces of the Catalyst 2948G-L3, with end-stations attached. In this example, two Catalyst 2948G-L3 switches are deployed in order to provide distribution-layer inter-VLAN routing and aggregation for multiple access-layer switches. The switches are connected with a two-port Gigabit EtherChannel link. The configurations on all devices were cleared with the On the Catalyst switches running Cisco IOS such as the Catalyst 2948G-L3, Catalyst 2900 XL, and Catalyst 3500 XL switches, this basic configuration must be applied to each switch: On CatOS switches, such as the Catalyst 2948G and the Catalyst 6506, this basic configuration must be applied to each switch: In this example, the Catalyst 2948G-L3 is deployed as a second switch in an existing single-VLAN network. One of the most important functions of an Ethernet switch is to segment the network into multiple Layer2 VLANs (with each VLAN belonging to a different Layer3 subnet).In order to do the above Layer2 segmentation you need to create additional VLANs from the default VLAN1 and then assign physical ports to these new vlans. However, an exception is made in this example because the Catalyst 2948G-L3 does not support bridging on 802.1q subinterfaces in the IOS release used in this example. This output shows how to configure IP addresses on the Catalyst 3548 XL for management purposes.

STEP2: Set up a hostname for the particular switch to distinguish it in the network. Catalyst 2948G-L3-01 uses the VLAN 15 link as the primary link and performs the routing for the odd VLANs, 15, 25, 35, and so on. In my opinion, the Cisco switches are the best in the market. “I have 2 locations that are going to be connected by fiber to make the total endpoints around 300 users. Interface FastEthernet 1 through 43 on the Catalyst 2948G-L3 are assigned to a single bridge-group for end-station connections with IP subnet 10.200.200.0/24. In order to configure trunking on the Catalyst 2948G-L3, subinterfaces must be added under the main port-channel interface; one subinterface is added for each VLAN transmitted on the trunk.

To start configuration, you want to connect the switch console to … All Fast Ethernet interfaces on the Catalyst 2924 XL switch belong to VLAN 30 (10.30.30.0/24). VLANs 10 and 15 only need to be added onto one Catalyst 6506 switch because both of them are in the same VTP domain and are interconnected by a trunk link. On Catalyst 2948G-L3-01, the subinterfaces for odd VLANs, 15, 25, 35, and so on, are the HSRP active interfaces. Have a great day.I assigned IP address to, lets say vlan 10 as the default vlan.You need to have at least one physical port in that vlan which must be up (i.e connected to a host)i realy love it tnx so much if u have any configuration chet shet pls send me in my mail tnx a lotI have an older 3750x 24 port that I would like to configure for my homes networking system.

Two VLANs are configured on each access-layer switch. Spanning-tree portfast is enabled on all ports of the Catalyst 3548 XL that you plan to connect to an end station.. End hosts and servers are all in a single IP subnet (10.1.1.0/24). The Catalyst 2948G-L3 and Catalyst 3548 XL switches are connected with a four-port Fast EtherChannel link. In this example, the Catalyst 2948G-L3 is deployed as an inter-VLAN router in a network composed of several other switches, which include a Catalyst 3548 XL, a Catalyst 3512 XL, and a Catalyst 2924 XL. The remaining VLANs, VLANs 10, 20, 30, and 100, are terminated at the Catalyst 2948G-L3 routed subinterfaces. Yes, I’m the writer of the book you see here (Cisco ASA Firewall Fundamentals). All rights reserved. Although it is much better to By default, all physical ports of the switch belong to the native VLAN1. Interface fast 0/25 through fast 0/44 on the Catalyst 3548 XL switch belong to VLAN 20 (10.20.20.0/24). All Fast Ethernet interfaces on the Catalyst 3512 XL switch belong to VLAN 100 (10.100.100.0/24). If you assign the bridge-group to the port-channel interface, VLAN 1 traffic on the 3548 XL can pass to the 2948G-L3 bridged interfaces. NAT configuration is not considered in this example. For example, ports 2/1 through 2/22 on 2948G-01 are assigned to VLAN 10, and ports 2/23 through 2/44 are assigned to VLAN 15.

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