keepalive – RecurseIT

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GRE Tunnels III: Security awakens

By davidsamuelps on July 2, 2016July 2, 2016

Heeey! 😀 Here we are again (sorry for the delay in this post, been quite busy lately), this time we will talk about security (a little bit) on GRE tunnels. As we talked previously (see previous chapters of the GRE Saga), we can establish a tunnel between two peers, over the public internet, right? (chapter

Posted in: awakens, bytes, Cisco, connection, encapsulate, encapsulation, friend, GRE, internet, IP, ipsec, keepalive, matryoshka, MTU, multicast, ninja, overhead, packet, security, transform, transform-set, tunnel, tunnels, unicast

CCNA CCNP

GRE Tunnels II: Endless connections

By davidsamuelps on June 16, 2016June 23, 2016

As every movie saga, like Terminator, Star Wars, The Naked gun, Shrek or Resident Evil (loved that one), GRE tunnels are going to have an interesting and cinematographic role here at our blog. Maybe not re-killing zombies (yes, killing them again!) or saving a princes making the dragon eat a dwarf king (that escalated quicky), but

Posted in: ACL, CCNA, CCNP, counters, down, extended, GRE, inbound, interface, keepalive, outbound, rechability, route, routers, saga, static, timers, tunnel, tunnels, up