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Dell SmartFabric OS10 User Guide Release 10.5.3

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Example: Configure PTP in a multinode setup

The following example describes how to configure PTP in a multinode setup.

Ensure that you configure VLT multicast routing. In this topology:

  • CR1, CR2, AG1, AG2, AG3, and AG4 are multicast routers.
  • CR1 and CR2 are the BSR and RP nodes.
  • TR1 and TR2 are IGMP-enabled L2 nodes.
  • OSPFv2 is the unicast routing protocol.
PTP in a multi-node setup
Table 1. Example PTP topology—Switch connections, port numbers, and IP addressesThe following table lists the connection between the switches, port numbers, and IP addresses configured on the interfaces.
From To Port number IP address
CR1 GM Eth1/1/28:1 Nondefault VLAN 1 IP as source
AG1 Eth1/1/1:1 (VLT PO11) Global IPv4/IPv6 addresses:
  • 10.0.0.5
  • 10:0:0::5
AG1 Eth1/1/3:1 (VLT PO11)
AG2 Eth1/1/9:1 (VLT PO11)
AG2 Eth1/1/16:1 (VLT PO11)
AG3 Eth1/1/25:1 (VLT PO21)
AG4 Eth1/1/17:1 (VLT PO31)
CR2 GM Eth1/1/28:2 Nondefault VLAN 1 IP as source
AG1 Eth1/1/3:1 (VLT PO11) Global IPv4/IPv6 addresses:
  • 10.0.0.6
  • 10:0:0::6
AG1 Eth1/1/8:1 (VLT PO11)
AG2 Eth1/1/12:1 (VLT PO11)
AG2 Eth1/1/13:1 (VLT PO11)
AG3 Eth1/1/25:1 (VLT PO22)
AG3 Eth1/1/17:1 (VLT PO32)
AG1 CR1 Eth1/1/1:1 (VLT PO11) Global IPv4/IPv6 addresses:
  • 10.0.0.1
  • 10:0:0::1
CR1 Eth1/1/1:3 (VLT PO11)
CR2 Eth1/1/5:3 (VLT PO11)
CR2 Eth1/1/7:4 (VLT PO11)
TR1 Eth1/1/17:1 (VLT PO41)
TR1 Eth1/1/19:4 (VLT PO41)
Traffic generator Eth1/1/9:1 VLAN 3002 as source
AG2 CR1 Eth1/1/1:1 (VLT PO11) Global IPv4/IPv6 addresses:
  • 10.0.0.2
  • 10:0:0::2
CR1 Eth1/1/3:4 (VLT PO11)
CR2 Eth1/1/5:4 (VLT PO11)
CR2 Eth1/1/7:3 (VLT PO11)
TR1 Eth1/1/17:4 (VLT PO41)
TR1 Eth1/1/19:3 (VLT PO41)
Traffic generator Eth1/1/9:1 VLAN 3002 as source
TR1 AG1 Eth1/1/39 Global IPv4/IPv6 addresses:
  • 10.0.0.10
  • 10:0:0::a
AG1 Eth1/1/46
AG2 Eth1/1/27:4
AG2 Eth1/1/28:3
Traffic generator Eth1/1/33 VLAN 1999 as source
AG3 CR1 Eth1/1/1:1 Global IPv4/IPv6 addresses:
  • 10.0.0.3
  • 10:0:0::3
CR2 Eth1/1/25:1
TR2 Eth1/1/17:1
AG4 CR1 Eth1/1/1:1 Global IPv4/IPv6 addresses:
  • 10.0.0.4
  • 10:0:0::4
CR2 Eth1/1/17:1
TR2 Eth1/1/19:1
TR2 AG3 Eth1/1/1:1 Global IPv4/IPv6 addresses:
  • 10.0.0.11
  • 10:0:0::b
AG4 Eth1/1/25:1

CR1 switch

  1. Configure IP address for the VLAN and loopback interfaces. 
    CR1(config)# interface vlan1
CR1(conf-if-vl-1)# ip address 200.1.1.5/24
CR1(conf-if-vl-1)# exit
CR1(config)# interface loopback1
CR1(conf-if-lo-1)# ip address 10.0.0.5/32
CR1(conf-if-lo-1)# ipv6 address 10:0:0::5/128

  2. Configure PTP globally. 

    CR1(config)# ptp clock boundary
CR1(config)# ptp local-priority 127
CR1(config)# ptp source ipv4 10.0.0.5
CR1(config)# ptp source ipv6 10:0:0::6
CR1(config)# ptp system-time enable

  3. Configure PTP on the interfaces. 

    CR1(config)# interface ethernet 1/1/1:1
CR1(conf-if-eth1/1/1:1)# ptp enable
CR1(conf-if-eth1/1/1:1)# ptp transport ipv4 multicast

CR1(config)# interface ethernet 1/1/3:1
CR1(conf-if-eth1/1/3:1)# ptp enable
CR1(conf-if-eth1/1/3:1)# ptp transport ipv4 multicast

CR1(config)# interface ethernet 1/1/9:1
CR1(conf-if-eth1/1/9:1)# ptp enable
CR1(conf-if-eth1/1/9:1)# ptp transport ipv4 multicast

CR1(config)# interface ethernet 1/1/16:1
CR1(conf-if-eth1/1/16:1)# ptp enable
CR1(conf-if-eth1/1/16:1)# ptp transport ipv4 multicast

CR1(config)# interface ethernet 1/1/17:1
CR1(conf-if-eth1/1/17:1)# ptp enable
CR1(conf-if-eth1/1/17:1)# ptp transport ipv4 multicast

CR1(config)# interface ethernet 1/1/25:1
CR1(conf-if-eth1/1/25:1)# ptp enable
CR1(conf-if-eth1/1/25:1)# ptp transport ipv4 multicast

CR1(config)# interface ethernet 1/1/28:1
CR1(conf-if-eth1/1/28:1)# ptp enable
CR1(conf-if-eth1/1/28:1)# ptp vlan 1
CR1(conf-if-eth1/1/28:1)# ptp transport ipv4 unicast slave
CR1(conf-ethernet1/1/28:1-ptp-ipv4-slave)# master 172.16.10.11
CR1(conf-ethernet1/1/28:1-ptp-ipv4-slave)# source 172.16.10.5

CR2 switch

  1. Configure IP address for the VLAN and loopback interfaces. 
    CR2(config)# interface vlan1
CR2(conf-if-vl-1)# ipv6 address 2001:200:1:1::5/64
CR2(conf-if-vl-1)# exit
CR2(config)# interface loopback1
CR2(conf-if-lo-1)# ip address 10.0.0.6/32
CR2(conf-if-lo-1)# ipv6 address 10:0:0::6/128

  2. Configure PTP globally. 

    CR2(config)# ptp clock boundary
CR2(config)# ptp local-priority 2
CR2(config)# ptp source ipv4 10.0.0.6
CR2(config)# ptp source ipv6 10:0:0::6
CR2(config)# ptp system-time enable

  3. Configure PTP on the interfaces. 

    CR2(config)# interface ethernet 1/1/3:1
CR2(conf-if-eth1/1/3:1)# ptp enable
CR2(conf-if-eth1/1/3:1)# ptp transport ipv4 multicast

CR2(config)# interface ethernet 1/1/3:1
CR2(conf-if-eth1/1/3:1)# ptp enable
CR2(conf-if-eth1/1/3:1)# ptp transport ipv4 multicast

CR2(config)# interface ethernet 1/1/8:1
CR2(conf-if-eth1/1/8:1)# ptp enable
CR2(conf-if-eth1/1/8:1)# ptp transport ipv4 multicast

CR2(config)# interface ethernet 1/1/12:1
CR2(conf-if-eth1/1/12:1)# ptp enable
CR2(conf-if-eth1/1/12:1)# ptp transport ipv4 multicast

CR2(config)# interface ethernet 1/1/13:1
CR2(conf-if-eth1/1/13:1)# ptp enable
CR2(conf-if-eth1/1/13:1)# ptp transport ipv4 multicast

CR2(config)# interface ethernet 1/1/17:1
CR2(conf-if-eth1/1/17:1)# ptp enable
CR2(conf-if-eth1/1/17:1)# ptp transport ipv4 multicast

CR2(config)# interface ethernet 1/1/25:1
CR2(conf-if-eth1/1/25:1)# ptp enable
CR2(conf-if-eth1/1/25:1)# ptp transport ipv4 multicast

CR2(config)# interface ethernet 1/1/28:2
CR2(conf-if-eth1/1/28:2)# ptp enable
CR2(conf-if-eth1/1/28:2)# ptp vlan 1
CR2(conf-if-eth1/1/28:2)# ptp transport ipv6 unicast slave
CR2(conf-ethernet1/1/28:2-ptp-ipv4-slave)# master 2001:200:1:1::99
CR2(conf-ethernet1/1/28:2-ptp-ipv4-slave)# source 2001:200:1:1::5

AG1 switch

  1. Configure IP address for the VLAN and loopback interfaces. 
    AG1(config)# interface vlan3002
AG1(conf-if-vl-3002)# ipv6 address 2001:101:2::1/64
AG1(conf-if-vl-3002)# exit
AG1(config)# interface loopback1
AG1(conf-if-lo-1)# ip address 10.0.0.1/32
AG1(conf-if-lo-1)# ipv6 address 10:0:0::1/128

  2. Configure PTP globally. 

    AG1(config)# ptp clock boundary
AG1(config)# ptp source ipv4 10.0.0.1
AG1(config)# ptp source ipv6 10:0:0::1
AG1(config)# ptp system-time enable

  3. Configure PTP on the interfaces. 

    AG1(config)# interface ethernet 1/1/1:1
AG1(conf-if-eth1/1/1:1)# ptp enable
AG1(conf-if-eth1/1/1:1)# ptp transport ipv4 multicast

AG1(config)# interface ethernet 1/1/1:3
AG1(conf-if-eth1/1/1:3)# ptp enable
AG1(conf-if-eth1/1/1:3)# ptp transport ipv4 multicast

AG1(config)# interface ethernet 1/1/5:3
AG1(conf-if-eth1/1/5:3)# ptp enable
AG1(conf-if-eth1/1/5:3)# ptp transport ipv4 multicast

AG1(config)# interface ethernet 1/1/7:4
AG1(conf-if-eth1/1/7:4)# ptp enable
AG1(conf-if-eth1/1/7:4)# ptp transport ipv4 multicast

AG1(config)# interface ethernet 1/1/9:1
AG1(conf-if-eth1/1/9:1)# ptp enable
AG1(conf-if-eth1/1/9:1)# ptp vlan 3002
AG1(conf-if-eth1/1/9:1)# ptp transport ipv6 unicast master
AG1(conf-ethernet1/1/9:1-ptp-ipv6-master)# slave 2001:101:2::200a
AG1(conf-ethernet1/1/9:1-ptp-ipv6-master)# slave 2001:101:2::200b
AG1(conf-ethernet1/1/9:1-ptp-ipv6-master)# slave 2001:101:2::200c
.
.
.
AG1(conf-ethernet1/1/9:1-ptp-ipv6-master)# slave 2001:101:2::2027
AG1(conf-ethernet1/1/9:1-ptp-ipv6-master)# source 2001:101:2::1


AG1(config)# interface ethernet 1/1/17:1
AG1(conf-if-eth1/1/17:1)# ptp enable
AG1(conf-if-eth1/1/17:1)# ptp transport ipv4 multicast

AG1(config)# interface ethernet 1/1/19:4
AG1(conf-if-eth1/1/19:4)# ptp enable
AG1(conf-if-eth1/1/19:4)# ptp transport ipv4 multicast

AG2 switch

  1. Configure IP address for the VLAN and loopback interfaces. 
    AG2(config)# interface vlan3001
AG2(conf-if-vl-3001)# ip address 101.1.0.2/16
AG2(conf-if-vl-3001)# exit
AG2(config)# interface loopback1
AG2(conf-if-lo-1)# ip address 10.0.0.2/32
AG2(conf-if-lo-1)# ipv6 address 10:0:0::2/128

  2. Configure PTP globally. 

    AG2(config)# ptp clock boundary
AG2(config)# ptp source ipv4 10.0.0.2
AG2(config)# ptp source ipv6 10:0:0::2
AG2(config)# ptp system-time enable

  3. Configure PTP on the interfaces. 

    AG2(config)# interface ethernet 1/1/1:1
AG2(conf-if-eth1/1/1:1)# ptp enable
AG2(conf-if-eth1/1/1:1)# ptp transport ipv4 multicast

AG2(config)# interface ethernet 1/1/3:4
AG2(conf-if-eth1/1/3:4)# ptp enable
AG2(conf-if-eth1/1/3:4)# ptp transport ipv4 multicast

AG2(config)# interface ethernet 1/1/5:4
AG2(conf-if-eth1/1/5:4)# ptp enable
AG2(conf-if-eth1/1/5:4)# ptp transport ipv6 multicast

AG2(config)# interface ethernet 1/1/7:3
AG2(conf-if-eth1/1/7:3)# ptp enable
AG2(conf-if-eth1/1/7:3)# ptp transport ipv6 multicast

AG2(config)# interface ethernet 1/1/9:1
AG2(conf-if-eth1/1/9:1)# ptp enable
AG2(conf-if-eth1/1/9:1)# ptp vlan 3001
AG2(conf-if-eth1/1/9:1)# ptp transport ipv4 unicast master
AG2(conf-ethernet1/1/9:1-ptp-ipv4-master)# slave 172.16.0.0
AG2(conf-ethernet1/1/9:1-ptp-ipv4-master)# slave 172.16.0.1
AG2(conf-ethernet1/1/9:1-ptp-ipv4-master)# slave 172.16.0.2
.
.
.
AG2(conf-ethernet1/1/9:1-ptp-ipv4-master)# slave 172.16.0.39
AG2(conf-ethernet1/1/9:1-ptp-ipv4-master)# source 172.16.0.2


AG2(config)# interface ethernet 1/1/17:4
AG2(conf-if-eth1/1/17:4)# ptp enable
AG2(conf-if-eth1/1/17:4)# ptp transport ipv6 multicast

AG2(config)# interface ethernet 1/1/19:3
AG2(conf-if-eth1/1/19:3)# ptp enable
AG2(conf-if-eth1/1/19:3)# ptp transport ipv4 multicast

TR1 switch

  1. Configure IP address for the VLAN and loopback interfaces. 
    TR1(config)# interface vlan1999
TR1(conf-if-vl-1999)# ipv6 address 2091:101:1::1/64
TR1(conf-if-vl-1999)# exit
TR1(config)# interface loopback1
TR1(conf-if-lo-1)# ip address 10.0.0.10/32
TR1(conf-if-lo-1)# ipv6 address 10:0:0::a/128

  2. Configure PTP globally. 

    TR1(config)# ptp clock boundary
TR1(config)# ptp source ipv4 10.0.0.10
TR1(config)# ptp source ipv6 10:0:0::a
TR1(config)# ptp system-time enable

  3. Configure PTP on the interfaces. 

    TR1(config)# interface ethernet 1/1/27:4
TR1(conf-if-eth1/1/27:4)# ptp enable
TR1(conf-if-eth1/1/27:4)# ptp transport ipv6 multicast

TR1(config)# interface ethernet 1/1/28:3
TR1(conf-if-eth1/1/28:3)# ptp enable
TR1(conf-if-eth1/1/28:3)# ptp transport ipv4 multicast

TR1(config)# interface ethernet 1/1/33
TR1(conf-if-eth1/1/33)# ptp enable
TR1(conf-if-eth1/1/33)# ptp vlan 1999
TR1(conf-if-eth1/1/33)# ptp transport ipv6 unicast master
TR1(conf-ethernet1/1/33-ptp-ipv6-master)# slave 2091:101:1::111a
TR1(conf-ethernet1/1/33-ptp-ipv6-master)# slave 2091:101:1::111b
TR1(conf-ethernet1/1/33-ptp-ipv6-master)# slave 2091:101:1::111c
.
.
.
TR1(conf-ethernet1/1/33-ptp-ipv6-master)# slave 2091:101:1::1119
TR1(conf-ethernet1/1/33-ptp-ipv6-master)# source 2091:101:1::1

TR1(config)# interface ethernet 1/1/39
TR1(conf-if-eth1/1/39)# ptp enable
TR1(conf-if-eth1/1/39)# ptp transport ipv4 multicast

TR1(config)# interface ethernet 1/1/46
TR1(conf-if-eth1/1/46)# ptp enable
TR1(conf-if-eth1/1/46)# ptp transport ipv4 multicast

AG3 switch

  1. Configure IP address for the loopback interface. 
    AG3(config)# interface loopback1
AG3(conf-if-lo-1)# ip address 10.0.0.3/32
AG3(conf-if-lo-1)# ipv6 address 10:0:0::3/128

  2. Configure PTP globally. 

    AG3(config)# ptp clock boundary
AG3(config)# ptp source ipv4 10.0.0.3
AG3(config)# ptp source ipv6 10:0:0::3
AG3(config)# ptp system-time enable

  3. Configure PTP on the interfaces. 

    AG3(config)# interface ethernet 1/1/1:1
AG3(conf-if-eth1/1/1:1)# ptp enable
AG3(conf-if-eth1/1/1:1)# ptp transport ipv4 multicast

AG3(config)# interface ethernet 1/1/25:1
AG3(conf-if-eth1/1/25:1)# ptp enable
AG3(conf-if-eth1/1/25:1)# ptp transport ipv4 multicast

AG3(config)# interface ethernet 1/1/17:1
AG3(conf-if-eth1/1/17:1)# ptp enable
AG3(conf-if-eth1/1/17:1)# ptp transport ipv4 multicast

AG4 switch

  1. Configure IP address for the loopback interface. 
    AG4(config)# interface loopback1
AG4(conf-if-lo-1)# ip address 10.0.0.4/32
AG4(conf-if-lo-1)# ipv6 address 10:0:0::4/128

  2. Configure PTP globally. 

    AG4(config)# ptp clock boundary
AG4(config)# ptp source ipv4 10.0.0.4
AG4(config)# ptp source ipv6 10:0:0::4
AG4(config)# ptp system-time enable

  3. Configure PTP on the interfaces. 

    AG4(config)# interface ethernet 1/1/1:1
AG4(conf-if-eth1/1/1:1)# ptp enable
AG4(conf-if-eth1/1/1:1)# ptp transport ipv4 multicast

AG4(config)# interface ethernet 1/1/17:1
AG4(conf-if-eth1/1/17:1)# ptp enable
AG4(conf-if-eth1/1/17:1)# ptp transport ipv4 multicast

AG4(config)# interface ethernet 1/1/19:1
AG4(conf-if-eth1/1/19:1)# ptp enable
AG4(conf-if-eth1/1/19:1)# ptp transport ipv4 multicast

TR2 switch

  1. Configure IP address for the loopback interface. 
    TR2(config)# interface loopback1
TR2(conf-if-lo-1)# ip address 10.0.0.11/32
TR2(conf-if-lo-1)# ipv6 address 10:0:0::b/128

  2. Configure PTP globally. 

    TR2(config)# ptp clock boundary
TR2(config)# ptp source ipv4 10.0.0.11
TR2(config)# ptp source ipv6 10:0:0::b
TR2(config)# ptp system-time enable

  3. Configure PTP on the interfaces. 

    TR2(config)# interface ethernet 1/1/1:1
TR2(conf-if-eth1/1/1:1)# ptp enable
TR2(conf-if-eth1/1/1:1)# ptp transport ipv4 multicast

TR2(config)# interface ethernet 1/1/25:1
TR2(conf-if-eth1/1/25:1)# ptp enable
TR2(conf-if-eth1/1/25:1)# ptp transport ipv4 multicast

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