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System_Networks.md

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Networks

General

Domain naming scheme: <hostname>.<net>.landscape.scs.community.

Defined networks

With the exception of the networks marked with Uplink “Yes”, no host in the listed networks has direct access to the Internet. Services that are deployed on the manager hosts must be used for DNS, NTP, HTTP and HTTPS.

Networkname Network Router V(x)Lan Description Uplink
vpn1 10.10.1.0/24 10.10.2.1 - VPN transfer/client network
zone1-public 10.80.0.0/20 10.80.0.1 VXLAN 80 Provider LAN Yes
zone1 10.10.21.0/24 10.10.21.1 - Production Node Network
mgmt-p2p 10.10.22.0/24 10.10.22.1 - Out of band for rack level
mgmt 10.10.23.0/24 10.10.23.1 VLAN 23 Out of band access for switches and servers
lab 10.10.24.0/24 10.10.24.1 VLAN 24 Lab Node Network
datacenter 192.168.104.40/29 192.168.104.41 - Internet Uplink Datacenter Yes

To provide connections, two auxiliary scripts are integrated which ensure that access is configured, filtered and translated (NAT).

Reserved Adress Ranges

The following list describes all dynamic adress ranges. The containing ips are not statically assigned to a particular host.

Networkname From To Description
mgmt 10.10.23.5 10.10.23.9 DHCP range for hardware deployments
prod1 10.10.21.200 10.10.21.201 Openstack API Endpoints
prod1 10.10.21.202 Controller Kubernetes, Static
prod1 10.10.21.203 10.10.21.220 Kubernetes Loadbalancer IPs, Dynamic
prod1 10.10.21.221 10.10.21.250 Loadbalancer URLs for Openstack, Dynamic
datacenter 192.168.104.42 192.168.104.43 IPs for Basition Host Uplinks

Port Forwarding Access

st01-mgmt-r01-u30

  • DHCP: No
  • External Connection:
    • IP: 188.244.104.28
    • Ports:
    • SSH: 22
    • Wireguard: 51820
  • Interface: eno2 (Remote OSBA-DL-S7-L)
  • IP: 192.168.104.43
  • Subnet: 255.255.255.248 (/29)
  • Gateway: 192.168.104.41
  • DNS: 192.168.104.41
ip addr add 192.168.104.43/29 dev eno2
ip link set eno2 up
ip route add default via 192.168.104.41 dev eno2
sed -i "~s,nameserver.*$,nameserver 8.8.8.8," /etc/resolv.conf

st01-mgmt-r01-u31

  • DHCP: yes
  • Interface: enp9s0
  • IP: 192.168.104.42
  • External Connection:
    • IP: 153.92.93.119
    • Ports:
    • SSH: 41115
    • Wireguard: 51820
  • Interface: enp9s0 (Remote Temp-Downlink-S…)
  • Subnet: 255.255.255.248 (/29)
  • Gateway: 192.168.104.41
  • DNS: 192.168.104.41