Cisco News


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Articles:



Cisco REST API allows hackers to remotely control Cisco routers?

According to GBHackers onSecurity, Cisco released a security update for critical authentication bypass vulnerabilities in the Cisco REST API virtual service container for Cisco IOS XE software that al...


Networking Basics - How Could You Configure Standard ACLs on Cisco Routers?

An ACL or an access control list is an ordered list of rules which would be utilized to filter traffic. Each rule would specify what’s permitted or what’s denied....


New vulnerabilities in Cisco switches may cause a new round of global scanning

Recently, Cisco has fixed three high-risk vulnerabilities on its star product, the Cisco Small Business 220 Series Smart Switches....


Why should MPLS L3VPN use two layers of MPLS labels?

As shown in the figure above, this is an experimental topology of MPLS L3VPN. As we all know, MPLS L3VPN uses two layers of MPLS labels. ...


MPLS L3VPN Troubleshooting Method(Data plane)

If there is a problem with the data plane, then, in the end, it is all about the problem of learning all the labels. In general, the inner label will not be a problem, usually the outer label error, w...


MPLS L3VPN Troubleshooting Method(Control plane)

Whether it is redistributed; whether OSPF is matched with OSPF external routes when redistributing OSPF....


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