Two Consist Networks with One ETB Node HowTo
This document describes how to configure a consist with one consist network managed by one ETBN in a. The consist is depicted in Figure 1.
The result of the inauguration will be a network where ETBN1 has the ETBN ID 1, the IP-address 10.128.0.1 (based on the ETBN ID and since the network is configured as TCMS). CN1 will attain the network IP 10.128.64.0/18 and CN2 10.128.128.0/18.
.------------.
/ cst1 \
'--------------'
.-------.
--+ +-- dir1 = (ethX5, ethX6)
<-dir1| ETBN1 |dir2-> dir2 = (ethX7, ethX8)
--+ +--
'-+---+-'
| |
-----+----- CN1 vlan10 (ethX3)
|
-----+----- CN2 vlan20 (ethX4)
Figure 1: A consist with two consist networks managed by one ETB node.
Configuration
etbn1:#> configure etbn1:/config/#> vlan 10 Creating new VLAN vid:10 with name: vlan10 etbn1:/config/vlan-10/#> untagged ethX3 etbn1:/config/vlan-10/#> end etbn1:/config/#> vlan 20 Creating new VLAN vid:20 with name: vlan20 etbn1:/config/vlan-20/#> untagged ethX4 etbn1:/config/vlan-20/#> end etbn1:/config/#> iface vlan10 etbn1:/config/iface-vlan10/#> no inet etbn1:/config/iface-vlan10/#> inet static 10.10.0.1/18 etbn1:/config/iface-vlan10/inet-static-10.10.0.1/#> end etbn1:/config/iface-vlan10/#> end etbn1:/config/#> iface vlan20 etbn1:/config/iface-vlan20/#> no inet etbn1:/config/iface-vlan20/#> inet static 10.20.0.1/18 etbn1:/config/iface-vlan20/inet-static-10.20.0.1/#> end etbn1:/config/iface-vlan20/#> end etbn1:/config/#> ttdp Activating TTDP with default settings. etbn1:/config/ttdp/#> uuid 11111111-1111-1111-1111-111111111111 etbn1:/config/ttdp/#> node 1 ecn 1,2 etbn1:/config/ttdp/#> ecn 1 vlan10 etbn1:/config/ttdp/#> ecn 2 vlan20 etbn1:/config/ttdp/#> dir1 ethX5,ethX6 Remember to manually set mdi/mdi-x mode in port settings for all agg ports. etbn1:/config/ttdp/#> dir2 ethX7,ethX8 Remember to manually set mdi/mdi-x mode in port settings for all agg ports. etbn1:/config/ttdp/#> local-id 1 etbn1:/config/ttdp/#> end TTDP: Created VLAN 492. Note that this VLAN will not be deleted automatically if TTDP is deactivated. etbn1:/config/#> vlan 2 Creating new VLAN vid:2 with name: vlan2 etbn1:/config/vlan-2/#> no multicast-snooping etbn1:/config/vlan-2/#> untagged lag-dir1,lag-dir2 etbn1:/config/vlan-2/#> end
Continue by configuring the ports.
etbn1:/config/#> port ethX5 etbn1:/config/port-ethX5/#> speed-duplex 100-full etbn1:/config/port-ethX5/#> no auto-negotiate etbn1:/config/port-ethX5/#> fastlink etbn1:/config/port-ethX5/#> mdix-mode mdi etbn1:/config/port-ethX5/#> end etbn1:/config/#> port ethX6 etbn1:/config/port-ethX6/#> speed-duplex 100-full etbn1:/config/port-ethX6/#> no auto-negotiate etbn1:/config/port-ethX6/#> fastlink etbn1:/config/port-ethX6/#> mdix-mode mdi etbn1:/config/port-ethX6/#> end etbn1:/config/#> port ethX7 etbn1:/config/port-ethX7/#> speed-duplex 100-full etbn1:/config/port-ethX7/#> no auto-negotiate etbn1:/config/port-ethX7/#> fastlink etbn1:/config/port-ethX7/#> mdix-mode mdi etbn1:/config/port-ethX7/#> end etbn1:/config/#> port ethX8 etbn1:/config/port-ethX8/#> speed-duplex 100-full etbn1:/config/port-ethX8/#> no auto-negotiate etbn1:/config/port-ethX8/#> fastlink etbn1:/config/port-ethX8/#> mdix-mode mdi etbn1:/config/port-ethX8/#> end etbn1:/config/#> end Applying configuration. Configuration activated. Remember "copy run start" to save to flash (NVRAM). etbn1:/#>
Note
In this HowTo, it is assumed that the ETB uses crossover cabling. For this reason, all ETB ports on both ETBNs use the same MDI-X mode. If non-crossover cabling is used, these settings must be changed for two of the inward-facing ETB ports.
Inauguration Result
Using the show ttdp
command we now verify that we have recevied the intended network
configuration. Highlighted in orange are the values that are of interest.
etbn1:/#> show ttdp TTDP NODE backbone-id : 0 (tcms) etbn-id : 1 etbn-ip : 10.128.0.1 local-id : 1 own-mac : 0c:65:8c:93:00:00 uuid : 11111111-1111-1111-1111-111111111111 connTableCnt : 0x32752ae8 EtbTopoCnt : 0x3d2e40c0 Inauguration : INAUGURATED Inhibition : Self: Off, Others: Off, Train: Off CST-NET IFACE IP CONNECTED ETBNs 1 vlan10 10.10.0.1/18 1 2 vlan20 10.20.0.1/18 1 NODE ID MAC ADDRESS ORIENTATION 1 0c:65:8c:93:00:00 Direct CONSIST NODES DIRECTION NETWORKS 11111111-1111-1111-1111-111111111111 1 Direct 10.128.64.0/18 10.128.128.0/18 etbn1:/#>
Here it is possible to verofy the inaugurated ETBN ID and IP, the CN numbering and CN network IP. To highlight the values, the values are marked as bold in the example.