ha:keepalived
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ha:keepalived [2023/07/18 18:11] – [1. Install Trisul Network Analytics on both HA DR nodes.] veera | ha:keepalived [2023/07/18 18:40] (current) – [2. Configure keepalived on both MASTER and SLAVE] veera | ||
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- | ==== 1. Install Trisul Network Analytics | + | ==== 2. Configure keepalived |
+ | |||
+ | Follow instructions in [[admin: | ||
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+ | Ensure the PRIORITY of MASTER is atleast 50 higher than the priority specified in the SLAVE node. | ||
+ | |||
+ | |||
+ | ==== 3. Use IPTABLES on MASTER ==== | ||
+ | |||
+ | |||
+ | During normal operation both nodes will be in active-active mode. The NETFLOW sent to the MASTER node will be mirrored to the SLAVE node using IPTABLES rule. You can also use the [[https:// | ||
iptables DNAT rule | iptables DNAT rule | ||
- | < | ||
- | dnf install iptables iptables-services | ||
- | </ | ||
< | < | ||
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</ | </ | ||
- | Make it persistent | + | Make it persistent |
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+ | |||
+ | < | ||
+ | dnf install iptables iptables-services | ||
+ | </ | ||
< | < | ||
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To list the NAT rule | To list the NAT rule | ||
+ | < | ||
iptables -t nat -v -L -n --line-number | iptables -t nat -v -L -n --line-number | ||
+ | </ | ||
- | to delete | + | To delete |
+ | < | ||
iptables -t nat -D PREROUTING 1 | iptables -t nat -D PREROUTING 1 | ||
+ | </ | ||
ha/keepalived.1689684086.txt.gz · Last modified: 2023/07/18 18:11 by veera