SRX Next-Gen Firewalls

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Ask questions and share experiences about the SRX Series, vSRX, and cSRX.

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Latest Discussion Posts

  • Can someone suggest to me the network adapters and cables I can use with srx 1g and 10g sfp+ ports? I have an srx300 but I want to start using 10g on an srx series. The srx300 only has 1g ports. I assume dac might be more complicated, but fibre is part ...

  • Ok, I really think my theory from earlier was right ... Something with the DHCP relay done by the WLC. On the SRX, the DHCP server interacts with the ARP table. That's why the static IP eventually started working as well. If you want to keep the PA ...

  • Sure thing! I marked 21 as the best answer. Thanks again. Have a great weekend!

  • I'm glad everything is sorted out now. That was an interesting problem! Could you please mark post #13 or #21 as answer to help out people who might come across this thread so they don't have through lots of posts? ------------------------------ Nikolay ...

  • Yep.... diabling DHCP proxy fixed it... tested again with 1681 and everything worked. Wow. One check box resulted in months of grief. Genuinely I cannot thank you enough. This was giving me gray hairs.

  • Yes, DHCP proxy, DHCP relay, same thing. Very useful when you have a centralized DHCP server, out of broadcast reach, but really not necessary when the server is listening in the same broadcast domain as the clients. And, now we learned, sometimes terrible ...

    1 person recommends this.
  • I was looking but can't seem to find an option, unless DHCP proxy == DHCP relay. I'll ask around on the Cisco community and let you know.

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