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InterVlan Routing

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  • 1.  InterVlan Routing

    Posted Oct 17, 2023 09:54 AM

    We have a HP Switch as our Core switch doing Layer 3 routing. A small percentage of our VLAN interfaces have ACL's and I'd like to move the security to our Firewall.

    The IP Address for the port on the firewall that connect to the core switch is 10.255.254.254

    The trunk port on the core switch is configured as this:
    #
    interface GigabitEthernet4/0/23
    port link-mode bridge
    description Trunk to Firewall LAN
    port link-type trunk
    undo port trunk permit vlan 1
    port trunk permit vlan 210 4000
    port trunk pvid vlan 4000
    #

    The VLAN Interface for VLAN 4000 is configured on the core switch as
    #
    interface Vlan-interface4000
    ip address 10.255.254.1 255.255.255.0
    #


    For testing I created a new VLAN Interface as a sub-interface on the physical port connecting the firewall to the switch. The VLAN Interface is on the firewall as 10.1.210.1. On the firewall and I created firewall policies for that Interface that look like this:

    Name                                    From           To               Source   Dest   Service
    VLAN 210 - Out to LAN     VLAN 210   LAN            All          All       All
    VLAN 210 - In from LAN    LAN            VLAN 210   All          All       All


    I have two resources that are downstream off the Core switch on the new VLAN. The resources are on different distribution switches connected to the core switch and are all able to see each other.
    10.1.210.10
    10.1.210.75

    From the console of the Core Switch I can ping 10.1.210.1

    From the console of the Core switch I am unable to ping the two resources on the the new VLAN. Nor am I able to ping those resources from the firewall.

    Any help is appreciated. Thank you