Forum Discussion
Marcio_Sato_576
Nimbostratus
Nov 19, 2012GTM monitor two IP addresses
Hi,
I'm having difficulties in configuring an ICMP monitor in GTM.
I need to monitor a Generic Host, which has two IP addresses. The two IP addresses need to be responding in order t...
Marcio_Sato_576
Nimbostratus
Nov 20, 2012Hi Aaron,
Thank you for the reply.
I already tried that, but it still doesn't work. Let me explain how the network is configured:
- GTM has two self-ips: 10.1.x.1 and 177.x.x1 (internal and external)
- The Generic Host (which is a Firewall) also has two IPs: 10.2.x.100 and 177.x.x.100 (internal and external)
- The IP 177.x.x.100 is also the IP address of the Virtual Server in this host
- The GTM has a static route that states that to reach 10.2.x.100, it should go to 10.1.x.10 (same range of the internal self-ip).
I assiigned the ICMP monitor to the Host, and also created and assigned a second ICMP monitor, which has an alias to 10.2.x.100.
The problem is that the ICMP request that arrives on the Host has a source address of 177.x.x.1, and not 10.1.x.1. So the Host doesn't reply.
If the source-address was 10.1.x.1 it would work fine, because it would be an internal IP pinging another internal IP.
Any ideas? Would using alias be the best solution to monitor two IP addresses? If so, how could I change the source address, so that it uses the internal IP?
Thank you,
Marcio
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