Network traffic for the multi site-to-site VPN paths

Discussion in 'Cisco' started by bensonlei@yahoo.com.hk, Aug 27, 2007.

  1. Guest

    Hi,

    We are using PIX and Cisco Router to build up the site-to-site VPN for
    the following network ( remote offices use PIX while central office
    uses Router ):
    1. One remote office and one central office, and the central office
    has two ISP lines,
    called ISP01 and ISP02; to build up the ISPs resiliant WAN
    network.
    2. Internet site-to-site VPNs are built between the remote office and
    the central office,
    one site-to-site VPN for each ISP line; hence two site-to-site VPN
    tunnels in each
    remote office ( or in each ISP line ); and so two site-to-site
    VPNs tunnels
    in each router of the central office ( totally 4 vpns ).
    3. the LAN environment sets up the Multi HSRP for establishing the WAN
    HA solution;
    hence a default ISP line is used for each remote ( view from
    central office );
    4. Due to the above configuration,( view from the central office )
    only one site-to-site VPN tunnel
    is used at each time from central- to- remote office.
    5. however ( view from remote offices ), is it also only one site-to-
    site VPN tunnel used ( the
    default vpn tunnel by central office ) for network traffice ?

    Thank you
     
    , Aug 27, 2007
    #1
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  2. Merv Guest

    You might want to consider a pure router-based (hubs and spokes) dual-
    hub DMVPN desing
     
    Merv, Aug 27, 2007
    #2
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