Exam topics to review for the ENARSI exam. Lots and lots of troubleshooting of route redistribution.
Availability Sets
Availability sets are a feature of Azure that allows you to group virtual machines (VMs) together to improve availability. VMs in an availability set are spread across different fault domains and update domains, which helps to protect them from failures within a single data center.
Just keeping track of CCIE lab exam equipment. Interesting to see how it changes over time. Should have done this long time ago.
Better mechanism to reroute when connectivity is down but links are not showing down.
Links to sites I like or that have very specific tutorials. Cisco, Cloud, Coffee, VoIP etc.
Bunch of Cisco IOS command aliases just to eliminate some keystrokes #lazy ;-)
Cisco IOS TCL script to ping all IP addresses. Make sure to put each address on one line. This one does a source from loopback0 and repeats 2 times.
Site-to-Site VPN Tunnel using crypto IPsec IKEV2. Very important to not lose track of names
The following are few well-known communities that must be recognized by all community aware BGP implementations. Communities affect peer-to-peer routing policies. We tell the peer to handle prefixes differently by tagging them with communities.
BGP Confederations on Cisco Routers
BGP confederations are a way of dividing a large autonomous system (AS) into smaller, more manageable sub-ASs. This can be useful for a variety of reasons, such as reducing the number of iBGP peering sessions, improving scalability, and increasing security.
Quick and easy configuration to make two Cisco Nexus 9000 Series devices to appear as a single device to downstream switches. Here’s the configuration to create a virtual port channel (vPC). Don’t forget to enable the necessary feature sets (feature vpc etc)