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JereNL
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Posts: 2
Joined: Thu Jun 13, 2019 11:12 pm

CHR VXLAN problems

Wed Mar 22, 2023 12:35 am

Hi There,

I am havind troubles with a VXLAN setup between two datacenter servers which are connected together via internal datacenter VLAN on a 192.168.140.0/24 subnet.
I am running ROS 7.8 on CHRs on both sides with HyperV.

See attachment for setup-overview.

Problem is the following:
Server1 can ping CHR1 (192.168.130.251) and CHR can ping Server 1(192.168.130.223)
Server2 can ping CHR2 (192.168.130.254) and CHR can ping Server 1(192.168.130.247)
CHR1 can ping CHR2 both on 140.254 and on 130.254 when VXLAN interface is active, when down only on 140.254
Same the otherside

Problem is, the servers can't ping each other.... Server can't ping router on other side aswell.

What is goin on here? I tried so many vxlan configuration options: On interface, without interface.

Some of the config:
CHR1
/interface vxlan
add mtu=1400 name=VXLAN-VNI102 port=8472 vni=102
/interface vxlan vteps
add interface=VXLAN-VNI102 remote-ip=192.168.140.254

/interface bridge
add name=VXLAN-BR-130
/interface bridge port
add bridge=VXLAN-BR-130 interface=ether3
add bridge=VXLAN-BR-130 interface=VXLAN-VNI102

/ip address
add address=192.168.140.252/24 interface=ether2 network=192.168.140.0
add address=192.168.130.251/24 interface=VXLAN-BR-130 network=192.168.130.0
CHR2
/interface vxlan
add mtu=1400 name=VXLAN-VNI102 port=8472 vni=102
/interface vxlan vteps
add interface=VXLAN-VNI102 remote-ip=192.168.140.252

/interface bridge
add name=VXLAN-BR-130
/interface bridge port
add bridge=VXLAN-BR-130 interface=ether2
add bridge=VXLAN-BR-130 interface=VXLAN-VNI102

/ip address
add address=192.168.130.254/24 interface=VXLAN-BR-130 network=192.168.130.0
add address=192.168.140.254/24 interface=ether3 network=192.168.140.0
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