Tagged: cisco

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Fun With Basic ATM And OSPF On Cisco

While not as exciting as my EIGRP over GRE over PPP over T1¬†article, today we’ll setup a DS3 connection between a Cisco 7204VXR and Cisco 2621XM with a little OSPF mixed in. The 7204VXR...

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EIGRP over GRE over PPP over T1

Why? Why the hell not! This pointless exercise makes a Cisco 2621XM talk to a Cisco 1760 using EIGRP over a GRE tunnel with a Cisco 7204VXR in the middle. The 2621XM has a...

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Sophos UTM and Cisco IOS IPsec VPN

Today I’ll discuss doing a simple IPsec site-to-site VPN tunnel between a Sophos UTM and an IOS based Cisco 7200VXR series router. This example will be using Sophos UTM 9.3 and Cisco IOS 15...

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BGP For Boneheads

Today we’ll go over a quick BGP lab environment using four virtual Cisco CSR1000V routers (IOS-XE based) and a pair of Linux end hosts. I’ll try to explain the configuration as best I can...