IOS-XE Configuration Archive
Cisco IOS-XE devices have a configuration archive functionality to store and manage configuration files, with a rollback capability. Configurations can be automatically backed up locally or to a remote server…
IOS-XE FlexVPN L2TPv3
Cisco routers can extend Layer 2 networks securely over a FlexVPN IPSec VPN tunnel, which allows for physically separate devices to be on same local LAN/network. This post describes the…
IOS-XE VPN PSK authentication using IKE ID
When using pre-shared key (PSK) authentication on a Site-to-Site VPN using Cisco IOS-XE routers, the IP address of the egress interface is used to match the PSK and authenticate the…
ASA Export/Import Certificate
This post provides step-by-step procedure to export/import the SSL certificate used by the Cisco ASA using CLI and ASDM. Export/Import via CLI View the current CA/Identity certificate and identify the…
ASA ICMP/Traceroute
By default the ASA does permit ICMP replies TO any ASA interface, but does not permit ICMP THROUGH the ASA. In other words you need to specifically configure the ASA…
ASA Reverse Route Injection (RRI)
Reverse Route Injection (RRI) is used to automatically insert static routes of the endpoints (Remote Access VPN users) or networks (Remote Site-to-Site VPN peers) into the routing process for redistribution…