ST 2110 Control Panel — Setup & Monitoring Knobs by Layer

Highlight layers:

Timing / PTP

PTP domain L3
Delay mech (E2E / P2P) L2
One-step / Two-step L2
Announce / Sync / Delay intervals
Ann: s Sync: s Delay: s
L3
PTP queue (LLQ / strict) L2/L3
PTP health Mgmt

Multicast Transport

IGMP snooping (v3) + querier L2
Fast-leave L2
PIM-SSM enabled L3
SSM range L3
(S,G) RPF checks L3

QoS / Shaping

DSCP → queues map L2/L3
Per-queue shaping (media) L2
Ingress policing (misbehaving senders) L2

Frame Size / MTU

Jumbo MTU (hosts) L2
Switch max frame L2
Keep PTP small L2

Red / Blue (ST 2022-7)

Independent VLANs/VRFs L2/L3
Diff-delay buffer (ms) App
Deterministic ECMP hashing L3

Discovery / Session Control

NMOS IS-04 registry App
NMOS IS-05 connection App
SDP correctness App

Security & Access

mTLS / PKI for APIs App
RBAC via TACACS+/RADIUS App
ACLs / micro-segmentation L2/L3
MACsec (if mandated) L2

Host / NIC Tuning

HW timestamping Host
RSS enabled (queues ≥ cores) Host
Disable LRO/GRO/RSC (UDP) Host
Low interrupt moderation Host

Monitoring / Telemetry

gNMI streaming Mgmt
sFlow / NetFlow / IPFIX Mgmt
Dashboards (Prometheus/Grafana) Mgmt
Tip: **PTP in LLQ with CS6**, **IGMPv3 + PIM-SSM (232/8)**, **Jumbo MTU 9000/9216**, **deterministic ECMP**, **2022-7 with diff-delay**, and turn on **gNMI + sFlow/NetFlow** before load tests.