NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.

Forum Discussion

fofwisdom's avatar
fofwisdom
Aspirant
Dec 19, 2016
Solved

XS708Ev2: packet drop over 1473

Recntly I was bought XS708Ev2.

 

If the size of the packet exceeds 1473, communication is not possible.

 

Currently fimware is v1.0.0.4. I was upgraded v1.0.0.3 to v1.0.0.4

 

I would like to try it with old firmware. How do i get v1.0.0.3? v.1.0.0.3 is not provide support page of the Netgear. Netgear notified v.1.0.0.4 is Initial Release. But My first firmware was v1.0.0.3

  • Retired_Member's avatar
    Retired_Member
    Dec 22, 2016

    Hi fofwisdom,

     

    Welcome to NETGEAR community, 1514 restriction is only for ICMP packet, for other normal network traffic, Jumbo packet size (default) is 9216, DUT will drop packet larger than 9216 size.

     

    Let's know if you see different result in further testing.

8 Replies

  • ElaineP's avatar
    ElaineP
    NETGEAR Expert

    Hi fofwisdom,

     

    Welcome to NETGEAR community!

     

    The plus switch L2 jumbo frame is always enabled, and the maximum frame size up to 9216 bytes.

     

    About the size of the packet exceeds 1473, how do you check it? What the packet is? And can you send me the network topology?  Look forward your reply, thanks.

     

    The firmware you can get only is from the support page of Netgear.

     

    Regards,

    NETGEAR Employee

    • fofwisdom's avatar
      fofwisdom
      Aspirant

      About the size of the packet exceeds 1473, how do you check it? What the packet is? And can you send me the network topology?  Look forward your reply, thanks.

      Through all packets draw. Trunk and inside traffic all of them.

      • [S1] 192.168.144.251 = XS708Ev2 v1.0.0.4
      • [S2] 192.168.144.252 = GS724Tv3 v5.4.2.25

      Screenshot 2016-12-19 17.02.03.png

       

      • ElaineP's avatar
        ElaineP
        NETGEAR Expert

        Hi fofwisdom,

         

        • For XS708Ev2, Switch support to reply an ICMP Echo request (PING) that is in any size smaller than 1514 bytes.

         

        According it, I ping my XS708Ev2 :192.168.1.32, and the size is 1472, the length is 1514, ping ok. If the size is 1473, ping fail. And it is limitation.

         XS708.jpg

        Hope it can help you. :smileyhappy:

         

        Regards,

        NETGEAR Employee

         

  • Retired_Member's avatar
    Retired_Member

    Hi fofwisdom,

     

    Welcome to NETGEAR community, 1514 restriction is only for ICMP packet, for other normal network traffic, Jumbo packet size (default) is 9216, DUT will drop packet larger than 9216 size.

     

    Let's know if you see different result in further testing.

NETGEAR Academy

Boost your skills with the Netgear Academy - Get trained, certified and stay ahead with the latest Netgear technology! 

Join Us!

ProSupport for Business

Comprehensive support plans for maximum network uptime and business peace of mind.

 

Learn More