Ethernet Switching
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Posts: 4
Registered: ‎03-22-2016
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Blocking rogue DHCP servers

In order to block rogue DHCP servers on my access switches will the following command be sufficent or would i need to add more ?

 set ethernet-switching-options secure-access-port interface all no-dhcp-trusted

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Posts: 5,111
Registered: ‎03-30-2009
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Re: Blocking rogue DHCP servers

[ Edited ]

Yes, all you need to block dhcp server on the port is to have the no-dhcp-trusted applied.

 

https://www.juniper.net/documentation/en_US/junos/topics/example/port-security-protect-from-rogue-dh...

Steve Puluka BSEET
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Senior IP Engineer - DQE Communications Pittsburgh, PA (Metro Ethernet & ISP)
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