static default route for specific IP vlan

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  • robbinsp
    Aspiring Member
    • Jan 2016
    • 2

    static default route for specific IP vlan

    Is it possible to create a default route on a 8600 but with a specific source IP range ?

    e.g customer wants to forward all internet based traffic but only from vlan 10 to its firewall ?

    its a voice only vlan at present but they are installing additional wireless IP phones which have internet capability - they don't have any any other default routes configured but want to make sure that only internet traffic from that vlan only and none of the others is sent to the next hop of the FW.

    therefore IF dest add = 0.0.0.0 and source add = 10.10.10.0 THEN Forward to 20.20.20.x

    i have had a look and think it might be able to be done from a route policy but not sure how i would go about it

    any ideas ?
  • tgruber
    Hot Shot
    • Jul 2014
    • 22

    #2
    Hi there,

    yes, that should be possible. Also your approach to go via policies is correct... I had to convert the following example from specific dst-routing... but it may work.
    Also maybe i am overshooting and it may be possible more simply, but thats what i have.

    Furthermore please note, that this will not work with SPBm because of several reasons...

    First create a ACT that you tell to match on Source IPs:
    Code:
    filter act 1 create name "Source based routing"
    filter act 1 ip srcIp
    filter act 1 apply
    Then create a ACL which acts on VLAN Incoming traffic and refers to the previous ACT. You also have to add this ACL to the VLANs for which you want to match the traffic.
    Code:
    filter acl 1 create inVlan act 1
    filter acl 1 vlan add 1,2,3,4,5
    Finally create a ACE(s) to match the Source Network/IPs
    Code:
    filter acl 1 ace 1 create name "Range 1"
    filter acl 1 ace 1 action permit redirect-next-hop 192.168.0.1
    filter acl 1 ace 1 ip src-ip eq 192.168.5.0-192.168.5.255
    filter acl 1 ace 1 enable
    filter acl 1 ace 2 create name "Range 2"
    filter acl 1 ace 2 action permit redirect-next-hop 192.168.0.1
    filter acl 1 ace 2 ip src-ip eq 192.168.6.0-192.168.6.255
    filter acl 1 ace 2 enable

    Comment

    • vene
      Member
      • Dec 2012
      • 3

      #3
      A much simpler approach would be to use the firewall to permit/deny the traffic.

      Comment

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