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System_Network_Connections.md

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System Network Wireing

WORK IN PROGRESS

The following standard describes how particular system components are wired in general within hosting racks.

General aspects

  • every system gets a out of band access with a single ethernet connection
  • inter-switch connections are always wired in a symetric way with the same ports in order from the bottom of the rack to the top on all involved switches
  • Systems are plugged to the particalur switches in order from the bottom of the rack to the top on all involved switches

Documentation

Description of the fields:

  • Source: The source system hostname
  • SPort: The Ethernet Port used on the source system
  • Destination: The source system hostname
  • DPort: The Ethernet Port used on the destination system
  • Linktype: The type of the hardware link
  • Connection Group: A handle which describes the common nature of the connection (VLAN, Portchannel, ...)
  • IdentGroup: A handle which describes the combination or the common criteria of the links

Rules:

  • Connections should not be documented redundantly
  • Add a description of the used "Connection Groups"
  • Add a description of the used "IdentGroup"

Example:

Connection Groups:

  • UPSTREAM2
    • Tagged VLAN 23, "mgmt"
    • Tagged VLAN 25, "prod1"
    • Tagged VLAN 26, "prod1-stor"
  • OOB-MGMT
    • Un-Tagged VLAN 23, "mgmt"
  • SPINE-LEAF
    • Tagged VLAN 25, "prod1"
    • Tagged VLAN 26, "prod1-stor"

IdentGroup:

  • PC1:
    • Portchannel between the Spine Switches
    • Tagged VLAN 25, "prod1"
    • Tagged VLAN 26, "prod1-stor"

Port List:

Source SPort Destination DPort Linktype Connection Group IdentGroup Description
st01-sw1g-r01-u32 eth0 st01-sw1g-r01-u47 Ethernet1 RJ45/1GBE UPSTREAM2
st01-sw1g-r01-u32 Ethernet0 st01-sw1g-r01-u47 Ethernet3 RJ45/1GBE OOB-MGMT
st01-sw1g-r01-u32 Ethernet1 st01-comp-r01-u21 MGMT RJ45/1GBE OOB-MGMT
st01-sw1g-r01-u32 Ethernet2 st01-comp-r01-u23 MGMT RJ45/1GBE OOB-MGMT
st01-sw1g-r01-u32 Ethernet3 st01-comp-r01-u25 MGMT RJ45/1GBE OOB-MGMT
st01-sw1g-r01-u32 Ethernet35 st01-mgmt-r01-u31 MGMT RJ45/1GBE OOB-MGMT
st01-sw1g-r01-u32 Ethernet36 st01-ctl-r01-u29 MGMT RJ45/1GBE OOB-MGMT
st01-sw1g-r01-u32 Ethernet36 st01-ctl-r01-u29 MGMT RJ45/1GBE OOB-MGMT
st01-sw25g-r01-u36 Ethernet120 st01-sw100g-r01-u37 Ethernet120 QSFP28/100G SPINE-SPINE PC1 DEACTIVATED
st01-sw25g-r01-u36 Ethernet124 st01-sw100g-r01-u37 Ethernet124 QSFP28/100G SPINE-SPINE PC1 DEACTIVATED
st01-sw25g-r01-u36 Portchannel01 st01-sw100g-r01-u37 Portchannel01 QSFP28/100G SPINE-SPINE PC1 DEACTIVATED