Hot!ipsec vpn cisco phone

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sims
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2019/07/24 14:23:04 (permalink)
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ipsec vpn cisco phone

Hi,
I have cisco cucm  on Head Office and Branch there is phones also 
cucm server ip is 10.0.2.10 and phones are head office also in the same network . And I want phones in branch also in the same network ( it 10.0.2.10 ) 
Can I achieve these using ipsec vpn 
How can i do that ?
 
second question  based on the below attachment 

 
can I use 0.0.0.0  as local subnets and remote subnets 
 
Thanks 
 

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#1

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    boneyard
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    Re: ipsec vpn cisco phone 2019/07/24 23:52:17 (permalink)
    5 (1)
    that is not possible with IPsec VPN.
     
    an IPsec VPN is between different layer 3 networks.
     
    if you really want this you need to create a streched layer 2 network (via vxlan or l2tp or such)
     
    i would advise you to look into just getting your phones working via layer 3, so allow that the cisco pbx can accept phones in other networks.
    #2
    sims
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    Re: ipsec vpn cisco phone 2019/07/25 05:10:32 (permalink)
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    Hi,
    Why we need tunnel interface for ipsec  vpn 
    Thanks
    #3
    boneyard
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    Re: ipsec vpn cisco phone 2019/07/25 10:05:29 (permalink)
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    do don't need it (there is an alternative), but it is quite useful. easy to route to, easy to built policies.
     
    is there a reason you don't want it?
    #4
    sims
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    Re: ipsec vpn cisco phone 2019/07/26 09:13:45 (permalink)
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    Hi,
    What is the benefit if we add tunnel interface and what are alternative 
    Thanks
    #5
    boneyard
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    Re: ipsec vpn cisco phone 2019/07/26 11:57:30 (permalink)
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    you could try a google search yourself also ...
     
    benefits for me include
      easy to route to
      easy to built policies
      most common method with FortiGate, meaning most documentation and example
     
    the alternative is policy based VPN, see: https://docs.fortinet.com...icy-based-ipsec-tunnel
    #6
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