Quick question Openvpn Site to site

  • Hi,
    I was wondering if someone could shed some light on a quick question i have. currently have a site to site OpenVPN, every now and then i get some lagg on SIP phone, i want to make sure i dont have the heaviest encryption

    Using server mode peer to peer shared key
    interface WAN
    local port 1195
    encryption algo AES CBC (128BIT KEY 128bit block)
    auth digest algo sha1 (160bit)
    hardware crypto no hardware crypto acceleration
    compression no preference
    and only check make the disable ipv6

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