Saturday, March 31, 2018

Cisco Nexus 5k, wake on lan possible?

We have a patching server on our Nexus environment and we want to try out WOL to patch computers that have been turned off during our regular patching.

We're using Nexus 5k, with HA. 5696Q 7.3(2)N1(1). Cisco 6509.

Layout.

Nexus as a Layer 3 switch for our data center. Goes to our core. Nexus hoses our WOL server. 6509 Also connects to goes to our core. Our users connect to the layer 2 switches then to the 6509.

The reason why I was if its possible is because the lack of commands on NX-OS. I gathers information online and figured I used the following commands.

Cisco 6509 - User PC LAN Remote PC VLAN Interface VLAN100 ip helper-address 10.12.12.5 (WOL SERVER) ip directed-broadcast 101

Access-list 101 permit udp host 10.12.12.5 any eq 7

on Nexus I thought I could use ip forward-protocol udp 7

WOL VLAN INTERFACE VLAN40 ip helper-address Remote-PC-VLAN (10.10.10.255)

Now on nexus there is no IP helpder under the interface. What I found was to use ip dhcp relay command. From what I read online this is only for DHCP ports only. Not port 7 that our server uses. So that's where I'm stuck. How can I get my WOL magic packet sent out of my WOL VLAN to my 6509?



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