Category: Switch
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Configuring Date and Time on a Cisco 3750G Layer 3 Switch.
The lower end of Cisco switches e.g the C3750 Layer 3, do not have a built-in system clock mechanism. As a result, the time needs to be set either manually or by an external ntp time source. The configuration below shows the commands for setting the time on a Cisco 3750 Layer 3 switch using…
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Configuring InterVLAN Routing on a Layer 3 Switch and providing DHCP to multiple subnets Part 2
In part 2 of this topic, I will show how to configure the Switch Virtual Interfaces and IP Helper addresses on the Cisco 3750G EMI: L3Switch(config)#interface vlan 20 L3Switch(config-if)# ip address 10.0.2.1 255.255.255.0 (Configure IP Address on the vlan 20 interface) L3Switch(config)# exit It is not necessary to specify an IP Helper address for the…
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Configuring InterVLAN Routing on a Layer 3 Switch and providing DHCP to multiple subnets Part 1
In this series, I would like to post my practical experience in setting up multiple VLANs/subnets and using a Layer 3 switch to route traffic across them. The post will also include my configuration steps enabling the use of a Microsoft-based DHCP Server. This is by no means a treatise on these subjects. A number…
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How to Configure ssh on a Cisco Switch.
Telnet is a widely used protocol for accessing and administering Cisco devices. But this protocol is not exactly secure and transmits data over a network in plain text. Ssh is a secure protocol and it’s best practice to secure your access to all devices. Configuring ssh on most Cisco switch models is a straightforward process.…
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Configuring Policy Based Routing on a Cisco 3750G EMI
So we recently restructured the Company network from a flat network to multiple Vlans. The need has arisen to route traffic for specific vlans through a different ISP for business reasons. This means routing traffic to a path different from the default route configured on the Core switch , which in this case is a…
Chinny Chukwudozie, Cloud Solutions. 