With a simulator, there are always missing commands and programming errors, and it can never really be as complete as the real IOS. However, because an emulator runs the IOS, you get every feature ...

Use the Cisco IOS archive command to archive your router’s configuration Your email has been sent David Davis introduces the Archive command in Cisco, which you can configure to log all commands on ...

When Cisco released the Valet Plus ($90, 4.5 stars), it had raised the bar for wireless router setup. Other vendors, I predicted, were sure to follow suit. Since then, most of the newer routers on the ...

Two of the most common forms of network address translation (NAT) are dynamic port address translation (PAT) and static NAT. PAT is the many-to-one form of NAT implemented in many small office and ...

The Cisco SD-WAN vManage management software is impacted by a flaw that allows an unauthenticated, remote attacker to gain read or limited write permissions to the configuration of the affected ...

Cisco patched a critical exploit affecting some of its communication-based products. Designated as CVE-2026-20045, the vulnerability allows bad actors to run arbitrary commands on an affected device’s ...