DHCP Relay on the Nexus7000/NXOS Vs. IP Helper on the 6500/IoS
IP helper (now DHCP relay) works differently on the Nexus 7000 than on the Cisco 6500. The N7K imposes a VACL to filter local DHCP broadcast traffic, under the assumption…
Tags: Cisco 6500
Secure SNMP in Cisco Switches and Routers
This article focus on the ways how we can secure SNMP access in Cisco Switches and Routers Simple Network Management Protocol (SNMP) uses the default UDP port 161 for general SNMP messages and UDP port 162…
Analysis: How to Choose the Right Cisco Switches for Your LAN?
Large and mid-size organizations or enterprises are entering another cycle of Local Area Network upgrades due to two recent technology changes. One is that 10Gb Ethernet are now standard connections…
Doc Sharing: How to Migrate from Catalyst to Nexus?
How to migrate from a Catalyst-based data center to a Nexus-based data center? Are you still confused with layer 2 and Layer 3? Maybe the following document written by Jeremy…
