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New Member

Trunk Link Security

How do u prevent a trunk link from becoming a access link on a switch ???

Regards,

Ryel

4 REPLIES
Hall of Fame Super Blue

Re: Trunk Link Security

Ryel

Configure it as a trunk ie.

int fa0/4

switchport trunk encapsulation dot1q

switchport mode trunk

Jon

New Member

Re: Trunk Link Security

i have done that but will this be it only ??? will it prevent it from becoming a access lnk ???

Hall of Fame Super Blue

Re: Trunk Link Security

From Cisco doc (4500 config) -

"If you enter trunk mode, the interface goes into permanent trunking mode and negotiates to convert the link into a trunk link even if the neighboring interface does not approve the change."

Jon

New Member

Re: Trunk Link Security

thanks for the confirmation !!!

Regards,

Ryel

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