This is a post in a series of “stream-of-study” content where I post loosely-structured notes taken while labbing various scenarios and technologies. Transparent ASA Notes Bump in the wire deployment, no need to change layer 3 topology to insert security control BPDUs and ARP are allowed by default IP traffic is enabled for inspection by…… Continue reading Study Notes – Transparent ASA
Category: Study Notes
Study Notes – FlexVPN Spoke-to-Spoke (PSK Auth)
This is a post in a series of “stream-of-study” content where I post loosely-structured notes taken while labbing various scenarios and technologies. !—————————————-! ! FlexVPN PSK Spoke-to-Spoke (PSK Auth) ! !—————————————-! ! !To configure FlexVPN and allow dynamic Spoke to Spoke tunnels, we need to do a few things differently from the Hub and Spoke…… Continue reading Study Notes – FlexVPN Spoke-to-Spoke (PSK Auth)
Study Notes – FlexVPN Hub and Spoke with Negotiated Tunnels and PSK Auth
This is a post in a series of “stream-of-study” content where I post loosely-structured notes taken while labbing various scenarios and technologies. !————————————————! ! FlexVPN with Negotiated Tunnels and PSK Auth ! !————————————————! ! !building on sVTI/dVTI, FlexVPN allows for hub and spoke or dynamic spoke-to-spoke WAN mesh/partial mesh while also supporting the ability to…… Continue reading Study Notes – FlexVPN Hub and Spoke with Negotiated Tunnels and PSK Auth
Study Notes – IKEv2 sVTI/dVTI Point-to-Point VPN
This is a post in a series of “stream-of-study” content where I post loosely-structured notes taken while labbing various scenarios and technologies. !—————————! ! IKEv2 sVTI/dVTI P2P VPN ! !—————————! ! !In a typical sVTI or GREoIPSec point-to-point VPN tunnel, we generally know the external/initiating identity IP of each peer router, and we can configure…… Continue reading Study Notes – IKEv2 sVTI/dVTI Point-to-Point VPN
Study Notes – IKEv2 DMVPN with RSA-Sig Auth and fVRF
This is a post in a series of “stream-of-study” content where I post loosely-structured notes taken while labbing various scenarios and technologies. !————————————-! ! IKEv2 DMVPN with RSA-SIG and fVRF ! !————————————-! ! !—————————- ! R1 DMVPN Hub and CA !—————————- ! !start by creating the basic fvrf underlay and ivrf (default/global) interfaces ! int…… Continue reading Study Notes – IKEv2 DMVPN with RSA-Sig Auth and fVRF
Study Notes – Basic IKEv2 Route-Based VPN using sVTI on IOS
This is a post in a series of “stream-of-study” content where I post loosely-structured notes taken while labbing various scenarios and technologies. !——————————————–! ! IKEv2 Route-Based VPN using sVTI on IOS ! !——————————————–! ! !We configure this the same was as policy-based VPN, except instead of a crypto map we apply an IPSec profile, just…… Continue reading Study Notes – Basic IKEv2 Route-Based VPN using sVTI on IOS
Study Notes – Basic IKEv2 Policy-Based VPN Config on IOS
This is a post in a series of “stream-of-study” content where I post loosely-structured notes taken while labbing various scenarios and technologies. !——————————————-! ! Basic IKEv2 Policy-based VPN on IOS ! !——————————————-! ! !with IKEv2 we gain some scalability benefits along with other security features like PRF and anti-replay !aside from the Phase 1 config…… Continue reading Study Notes – Basic IKEv2 Policy-Based VPN Config on IOS
Study Notes – VRF-Aware Policy-Based IKEv1 VPN
This is a post in a series of “stream-of-study” content where I post loosely-structured notes taken while labbing various scenarios and technologies. !—————————————–! ! VRF-Aware Policy-Based IKEv1 VPN ! !—————————————–! ! !In this topology we have two VRFs, custa and custb, with duplicate IP space and a policy-based tunnel spun up dynamically to encrypt traffic…… Continue reading Study Notes – VRF-Aware Policy-Based IKEv1 VPN
Study Notes – fVRF IKEv1 and RSA-SIG Auth with sVTI and default iVRF
This is a post in a series of “stream-of-study” content where I post loosely-structured notes taken while labbing various scenarios and technologies. !—————————————–! ! fVRF IKEv1 and RSA-SIG Auth with sVTI ! !—————————————–! ! !RSA-Sig (certificate) based authentication can be done for ISAKMP peers in fVRF setup by using the isakmp-profile to specify the match…… Continue reading Study Notes – fVRF IKEv1 and RSA-SIG Auth with sVTI and default iVRF
Study Notes – Basic Front-Door VRF with Non-Default iVRF (ISAKMP PSK, GRE)
This is a post in a series of “stream-of-study” content where I post loosely-structured notes taken while labbing various scenarios and technologies. !————————————————-! ! Basic Front-Door VRF with non-default LAN VRF ! !————————————————-! ! IKEv1 GREoIPSec L2L ! !————————————————-! ! !the purpose of Front Door VRF is to isolate the underlay and overlay networks, both…… Continue reading Study Notes – Basic Front-Door VRF with Non-Default iVRF (ISAKMP PSK, GRE)
CCIE #TBD 