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CISCO ROUTER ON A STICK CONFIGURATION HOW TO

Switch1(config-if-range)# channel-group 5 mode desirable It is also possible to configure PAgP or LCAP at this time by specifying a mode, as listed in the table above.

Assign the port to a channel group, which is an integer between 1 and 6.Switch1(config-if-range)# switchport access vlan 10 Switch1(config-if-range)# switchport mode access

Change switchport to trunk or access, but all ports must be in the same VLAN.

Switch1(config)# interface range GigabitEthernet 0/11 – 12 This connection may be via SSH, Telnet, or the console port.

Connect to the command-line interface (CLI) of the switch.

The basic process for configuring EtherChannel interfaces is as follows: In case if there are more links present in the LACP bundle, then the one with better priority will determine which ports to be inserted. Sets the interface to respond to LACP data if it receives negotiation requests from other systems. Sets the interface to actively attempt to negotiate connections with other LACP devices. When using this mode, the switch does not negotiate the link using either PAgP or LACP. This mode can only connect to another device that is also set to on. Sets the interface to actively attempt to negotiate a PAgP connection.įorces the connection to bring all links up without using a protocol to negotiate connections. Sets the interface to respond to PAgP negotiation packets, but the interface will not start negotiations on its own. The settings that must remain the same across all ports areĮtherChannel can be configured in one of these modes: Port Aggregation Protocol (PAgP), Link Aggregation Control Protocol (LACP) or On. This is a copy action and not a link, so if the settings are changed after the fact, it is required to change the settings on all ports.

Switchport settings from the first port in EtherChannel are copied to all other ports in the EtherChannel when the ports are added to the channel group.

Ensure that all ports are enabled and that none have been configured using the shutdown.

Set all ports to function at the same Speed and Duplex settings.

Up to eight ports can be configured, and all of these ports should be the same type (Fast Ethernet, Gigabit Ethernet, 10-Gigabit Ethernet).

When setting up an EtherChannel connection, it is important to remember the following points they can help to avoid problems during the configuration process: The EtherChannel provides full-duplex bandwidth up to 8 Gb/s (Gigabit EtherChannel) or 80 Gb/s (10-Gigabit EtherChannel) between one switch and another switch or host.

Notice the two subinterfaces and both status show as up/up.An EtherChannel consists of individual Gigabit Ethernet or 10-Gigabit Ethernet links bundled into a single logical link as shown in Figure 1.įigure 1: Typical EtherChannel Configuration *what that line means: dot1q is the trunking protocol, and 10 is the VLAN ID. Now we can configure the sub-interfaces on the router. By creating sub-interfaces on the router, the VLANs have a default gateway, enabling you to forward between VLANs.įirst we have to tell fa0/0 to not have use an IP address, and also to turn on the physical interface. In this step we can now start to complete our ROAS setup. So if more then 10 VLANS, best to you a 元 Switch. **Note you can add as many VLANS as you wish, but the more VLANS = More subinterfaces on your router which can burden your router. **Note that the link between SW1 and R1 is a trunk link. In this how-to I will be using the following devices: So I will not be covering it in this how-to. In this setup, the switch is configured with multiple VLANs and the router performs all routing between the different networks/VLANs. Router-on-a-stick is a term frequently used to describe a setup up that consists of a router and switch connected using one Ethernet link configured as an 802.1q trunk link. You need a router to be able to route between the two VLANS or you can use a Layer 3 switch. Posted in Cisco Routers - Configuring Cisco Routers. Like having a VLAN for your Servers and also one for your client Data. What that means is simply routing withing your network between VLANS. Please leave your feedback in the comments at the bottom.Ī ROAS is used within a small to mediam sized organization that needs to implement inter-VLAN routing.

CISCO ROUTER ON A STICK CONFIGURATION HOW TO

This how-to is designed for basic users, but can be used as a guide by senior admins that just forgot how to set it up or what it is. In this how-to I will describe what the term Router on a Stick means and also how to configure it.