Not recommended mainly because it generate some weird routing problem...

from your test, check your routing table on your CVM: Same subnet on different interfaces... ( eth1 and eth2 )


Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         172.26.0.1      0.0.0.0         UG    0 0        0 eth2
8.8.4.4         172.26.0.1      255.255.255.255 UGH   0 0        0 eth1
8.8.8.8         172.26.0.1      255.255.255.255 UGH   0 0        0 eth1
169.254.0.0     0.0.0.0         255.255.0.0     U     0 0        0 eth0
172.26.0.0      0.0.0.0         255.255.255.0   U     0 0        0 eth1
172.26.0.0      0.0.0.0         255.255.255.0   U     0 0        0 eth2


Depending on your router, what you can do is to divide your 172.26.0.0/24 in 2...
Public on 172.26.0.0/25, gateway on your router: 172.26.0.1
Management on 172.26.0.128/25, gateway on your router: 172.26.0.129

On 2020-04-07 8:54 AM, F5 wrote:
Yes, is this configuration not allowed?

How could I get around this, as I don't have another routed network.

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