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Bring performance and reliability to your network with the Aruba Core, Aggregation, and Access layer switches. Discuss the latest features and functionality of the ArubaOS-Switch and ArubaOS-CX devices, and find ways to improve security across your network to bring together a mobile first solution.
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CX 6100 Intervaln routing

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  • 1.  CX 6100 Intervaln routing

    Posted May 24, 2022 11:44 AM
    Hi,

    i am having 2 vlans, vlan20 and vlan30 on CX 6100,  we need to get these two subnet to talk to each other, 
    is that possible to configure the inter vlan routing on CX 6100,  if yes able to show me some simple steps,

    Thanks
    Daniel

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    dan lam
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  • 2.  RE: CX 6100 Intervaln routing

    EMPLOYEE
    Posted May 24, 2022 09:10 PM
    AFAIK ip routing is enabled by default on 6100s.
    here is  the user guide for it
    https://asp.arubanetworks.com/downloads/documents/RmlsZTozNzg2ZjkyMC01ZWY5LTExZWMtODBkOS03YmI0YWU3MGRmZjY%3D

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    Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba.
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  • 3.  RE: CX 6100 Intervaln routing

    Posted May 24, 2022 10:49 PM
    the user guide did not show any inter vlan routing configuration,
    my setup is on one CX 6100 :

    vlan 20: 192.168.20.1/24 on port 2
    vlan 30: 192.168.30.1/24 on port 3

    we need both vlan able to ping each other, 
    anyone can help on this, Thank you

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    dan lam
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  • 4.  RE: CX 6100 Intervaln routing

    EMPLOYEE
    Posted May 25, 2022 12:56 AM
    there is no command to enable ip routing in these switches, it should just work assuming 192.168.20.1 and 30.1 are configured on the 6100 switch.
    can you post your switch config?

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    Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba.
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  • 5.  RE: CX 6100 Intervaln routing

    EMPLOYEE
    Posted May 25, 2022 02:47 AM
    If you assigned 192.168.20.1/24 to the switch interface Vlan20 and 192.168.30.1/24 to the switch interface Vlan30, then check the following on your host PCs connected to the switch:

    1. A PC connected to a switch port assigned as Access port to Vlan20 must have IP address from the range 192.168.20.2-192.168.20.254, subnet mask 255.255.255.0 and default gateway set to 192.168.20.1
    2. 1. A PC connected to a switch port assigned as Access port to Vlan30 must have IP address from the range 192.168.30.2-192.168.30.254, subnet mask 255.255.255.0 and default gateway set to 192.168.30.1

    If so, from a PC connected to Vlan 20 ping 192.168.20.1. If you see replies, then ping 192.168.30.1. If this ping is successful too, then inter-VLAN routing works. In this case if ping from PC in Vlan 20 to a PC in Vlan 30 fails, then it might be a host firewall on the PC in Vlan 30 that blocks incoming ICMP echo packets.



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    Ivan Bondar
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  • 6.  RE: CX 6100 Intervaln routing

    Posted May 25, 2022 06:27 AM
    i have setup my laptop ip to be vlan 20/vlan 30 and gateway to be 192.168.20.1/192.168.30.1
    connected to port 2 and port 3 of CX 6100, but, i am not able to ping the gateway.

    below is my CX 6100 config:




    Any idea, Thank you.

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    dan lam
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  • 7.  RE: CX 6100 Intervaln routing

    EMPLOYEE
    Posted May 25, 2022 08:08 AM
    Ports 1/1/2 and 1/1/3 expect tagged frames in VLAN 20 and 30. I bet your PCs connected on those ports don't tag their traffic and send untagged frames. Which end up in the native VLAN 1

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    Ivan Bondar
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  • 8.  RE: CX 6100 Intervaln routing

    EMPLOYEE
    Posted May 25, 2022 06:30 PM
    exactly as Ivan mentioned. you can quickly just for test, make VLAN 20 and 30 as native VLANs on 1/1/2 and 1/1/3 respectively and you'll see you can ping through.

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    Any opinions expressed here are solely my own and not necessarily that of Hewlett Packard Enterprise or Aruba.
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