PTP-capable Switches

Switch Comparison

• current tests: 2012 Cisco Catalyst 2960-S / WS-C2960S-24PS-L

  • ~ 11 us path delay (ptp4l)

• testbed: Cisco Catalyst 2960-X / WS-C2960X-48FPD-L

  • 48 Ports, 1 GBE, 2x 10 GBit SFP+

  • 740 W PoE+

  • remote: SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, HTTP, TFTP, SSH, CLI

  • 2500 €

  • -X version seems to be the newer Model (compared to -S) with layer 3 routing and >doubled spec

    • https://ipwithease.com/cisco-2960-x-vs-2960-s/

PTP-Capable Switches

• D-Link DGS-3630-52PC

  • https://www.bechtle.com/shop/d-link-dgs-3630-52pc-si-poe-switch–4292164–p

  • 3770 €

  • 4x SFP, 4 SFP+

  • Gigabit L3 Switch, 48 Ports, 370W POE+

  • ptp is listed as supported in the management-tab

• Cisco CATALYST 9300L 48P POE

  • https://www.future-x.de/cisco-catalyst-9300l-48p-poe-switch-power-over-ethernet-p-6649022/

  • 5907 €

  • 4x SFP+ Uplink

  • Gigabit L3 Switch, 48 Ports, 505 W POE+

  • ptp seems to be supported: https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-9300-series-switches/q-and-a-c67-744007.pdf

    • needs “network-advantage” packet

    • <100ns is expected

• juniper switches

TODO

• does the catalyst 9300L fit into ZIH-Infrastructure?

  • ZIH confirms compatibility and offers to help configuring the box

• can we get a test-device from cisco?

  • ZIH has no device but connected us with the local account manager

  • request was sent to cisco