Many administrators forget—or don’t even realize—that they can configure Dynamic Host Configuration Protocol (DHCP) on Cisco IOS routers and switches. David Davis discusses the pros and cons of this ...
This latest Cisco SD-WAN bug under attack comes less than two weeks after Switchzilla warned that a high-severity vulnerability in Catalyst SD-WAN Manager vulnerability (CVE-2026-20245) was under ...
Cisco SIP based phones have SIP extensions that use the SIP protocol for Cisco proprietary operations like registering a Cisco SIP phone by MAC Address. This blog will take a high level look at ...
David Davis introduces the Archive command in Cisco, which you can configure to log all commands on your router. If you need to back up to a previous configuration, or see what went wrong after a ...
Morning Overview on MSN
Cisco’s SD-WAN flaw is the second this year to carry a maximum 10.0 severity score, handing remote attackers full admin control of a controller or edge router
For the second time in 2026, a Cisco Catalyst SD-WAN vulnerability has earned the maximum 10.0 severity score on the Common ...
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