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How to setup a redundant ip connection?

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9 comments

  • cPanelLauren
    I don't believe this is possible if I'm understanding correctly you want to specify the IP address the backup connection comes from on your server?
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  • aadipop
    Yes, I wanna add a second connection from another ISP in case the main ISP will be down. How can I manage this situations? :)
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  • aadipop
    It's the 3'rd time when my ISP was down for ~3-4 hours and I need a backup internet connection in case this situation will be back. Please don't tell me that the internet connection can't be backed up and ISP is a single point of failure :) I think having a redundant internet connection is some basic principle on how a datacenter works :)
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  • cPanelLauren
    This is a discussion you need to have with your datacenter, it's not something we can help you with.
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  • aadipop
    They give me 2 ip's from 2 different providers :) What can they do more than that ? :) And how other cpanel hosting providers manage those situations ?
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  • cPanelLauren
    The IP's need to be routed at the Datacenter properly, this isn't something that cPanel can manage.
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  • aadipop
    ok, thanks ... is somewhere any guide on how to do this? or example? or how others manage this situations? * how to properly setup ip routing on dc for cPanel if the main internet connection ( the ip with the cPanel license ) is down?
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  • cPanelLauren
    I don't have one as this is something that is dependent on the datacenter/provider. This is something you'd need to contact them for, cPanel has absolutely no control over these items. You can add a new IP address to cPanel but that is dependent on the IP address being routed properly which happens separately.
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  • aleena12345
    In the secure (router) mode, the client-side and server-side VLANs provide the fault-tolerant (redundant) connection paths between the CSM-S and the routers on the client side and the servers on the server side. In a redundant configuration, two CSM-S modules perform active and standby roles. Each CSM-S contains the same IP, virtual server, server pool, and real server information. From the client-side and server-side networks, each CSM-S is configured identically. The network sees the fault-tolerant configuration as a single CSM-S. Configuring fault tolerance requires the following: "https://www.cisco.com/c/dam/en/us/td/i/templates/blank.gif
    Two CSM-S modules that are installed in the Catalyst 6500 series chassis. "https://www.cisco.com/c/dam/en/us/td/i/templates/blank.gif
    Identically configured CSM-S modules. One CSM-S is configured as the active; the other is configured as the standby. "https://www.cisco.com/c/dam/en/us/td/i/templates/blank.gif
    Each CSM-S modules connected to the same client-side and server-side VLANs. "https://www.cisco.com/c/dam/en/us/td/i/templates/blank.gif
    Communication between the CSM-S modules provided by a shared private VLAN. "https://www.cisco.com/c/dam/en/us/td/i/templates/blank.gif
    A network that sees the redundant CSM-S modules as a single entity. "https://www.cisco.com/c/dam/en/us/td/i/templates/blank.gif
    Connection redundancy by configuring a link that has a 1-GB per-second capacity. Enable the calendar in the switch Cisco IOS software so that the CSM-S state change gets stamped with the correct time. The following command enables the calendar: Cat6k-2# configure terminal Cat6k-2(config)# clock timezone WORD offset from UTC Cat6k-2(config)# clock calendar-valid Check this
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