Cisco recommends using AES-CBC for encryption and SHA1 for authentication to protect against performance risks to some of its Catalyst and ASR gear.

I would like to ask you if you could speak a bit about EIGRP vs OSPF. Both are IGP protocols and if you have a network only with Cisco routers what is the best option?

Cisco fixed two high severity vulnerabilities in two products this week that could have let an attacker trigger a denial of service condition or bypass local authentication.