It seems that I can ping other hosts (receive replies) from a host directly connected behind the router (no switches involved, router connected to laptop), then I can ping anything, networks that have the 元 switch in front of the subnets, I cant ping past. O 20.20.20.0 via 15.15.15.2, 00:02:19, Serial0/1/0 Setup Cisco Switch IOS 3745 12.4 on GNS3How to configure Layer3 switch in GNS3Layer 3 SWITCH inside GNS3Learn to install and setup cisco switch ios 3745 insi. ![]() R1(config-router)#network 10.1.20.0 0.0.0.255 area 0 Note: When designing a network with a layer 3 switch at the distribution layer, it is very important to understand which device is set as the gateway for clients on each subnet.If the 元 switch is the gateway for clients downstream subnets, any upstream firewall must be configured with a static route to that downstream subnet. These images will work on GNS3 with the help of GNS3 IOU and virtual box. R1(config-router)#network 10.1.40.0 0.0.0.255 area 0 Download Cisco IOU IOL Images (GNS3 / GNS3 IOU VM / Oracle Virtual BOX / L2 & 元 cisco switch images) Below is the list of all layer 2 and layer 3 cisco switches. ![]() Even if on R1 I add those subnets using ospf they dont take effect.
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