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ios

Cisco IOS/IOS-XE

cisco

Cisco Trunk-splosion Protection

On IOS switches with EEM, protect yourself (and less careful Jr engineers) with this applet that will prevent allowed-vlan-mishaps on trunks!

  • Derek, CCNP-E/AIS
    Derek, CCNP-E/AIS
1 min read
cisco

Cisco EEM: Auto Interface Descriptions

These applets will automatically update the description of an interface where a new CDP neighbor is detected, if not already described accordingly.

  • Derek, CCNP-E/AIS
    Derek, CCNP-E/AIS
5 min read
cisco

Cisco Smart Install - IOS-XE Stack Auto-Allocation

When this snippet is added to a Jinja2 template it will automatically build out an EEM applet that will set switch priorities and renumber all switches in the stack.

  • Derek, CCNP-E/AIS
    Derek, CCNP-E/AIS
12 min read
cisco

Cisco Smart Install - IOS-XE Upgrade Caveat

IOS-XE 3.7.4 cannot upgrade to 16.3.6 via smart-install because *new force* isn't appended. This workaround uses EEM applets in the FreeZTP J2 switch template to download install the updated image.

  • Derek, CCNP-E/AIS
    Derek, CCNP-E/AIS
9 min read
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