From 41d5f960c47fbc6cd694b57ee4e06d4929580b50 Mon Sep 17 00:00:00 2001 From: Administrator Date: Thu, 19 Feb 2026 20:56:06 +0000 Subject: [PATCH] docs: create Work/C9300GX-Port_Breakout --- Work/C9300GX-Port_Breakout.md | 77 +++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Work/C9300GX-Port_Breakout.md diff --git a/Work/C9300GX-Port_Breakout.md b/Work/C9300GX-Port_Breakout.md new file mode 100644 index 0000000..1145f58 --- /dev/null +++ b/Work/C9300GX-Port_Breakout.md @@ -0,0 +1,77 @@ +--- +title: Nexus Upgrade port Breakout +description: +published: true +date: 2026-02-19T20:55:53.800Z +tags: +editor: markdown +dateCreated: 2026-02-19T20:55:53.800Z +--- + +# Nexus 9300 Port Migration — Old to New Architecture + +## Switch 1 — AT1EU-NEXUS-1 + +| Old Port | Description | New Port | Device | Device Port | +|---|---|---|---|---| +| Ethernet1/2 | Trunk FAS 2750 | — | Catalyst | T1/1/3 | +| Ethernet1/3 | Trunk FAS 2750 | — | Catalyst | T1/1/4 | +| Ethernet1/9 | Trunk A70-A | Ethernet1/5/1 | A70 | — | +| Ethernet1/10 | Trunk A70-A | Ethernet1/5/2 | A70 | — | +| Ethernet1/11 | Trunk A70-B | Ethernet1/5/3 | A70 | — | +| Ethernet1/12 | Trunk A70-B | Ethernet1/5/4 | A70 | — | +| Ethernet1/17 | Trunk 500e-X1 | Ethernet1/26 (10G) | Firewall | X1 | +| Ethernet1/23 | Access L3 HLCI JAVELIN (Allow STP-BPDU) | — | Catalyst | T1/1/5 | +| Ethernet1/24 | Access L3 HLCI ROCK(L3)MLS (Allow STP-BPDU) | — | Catalyst | T1/1/6 | +| Ethernet1/25 | Trunk 6554-1:25 | Ethernet1/1/1 | UCS 6554-1 | 1/25 | +| Ethernet1/26 | Trunk 6554-1:26 | Ethernet1/1/2 | UCS 6554-1 | 1/26 | +| Ethernet1/27 | Trunk 6554-2:27 | Ethernet1/1/3 | UCS 6554-2 | 1/27 | +| Ethernet1/28 | Trunk 6554-2:28 | Ethernet1/1/4 | UCS 6554-2 | 1/28 | +| Ethernet1/45 | Trunk 9300 | Ethernet1/24 (10G) | Catalyst 9300 | T1/1/1 | +| Ethernet1/46 | Trunk 9300 | Ethernet1/25 (10G) | Catalyst 9300 | T1/1/2 | +| Ethernet1/47 | Trunk Peer-Link (Allow STP) | Ethernet1/27 | NEXUS-2 Peer | — | +| Ethernet1/48 | Trunk Peer-Link (Allow STP) | Ethernet1/28 | NEXUS-2 Peer | — | + +> **Legend:** `—` in New Port column indicates the connection moves to the listed Device/Port with no renumbered Nexus port. 25G breakout ports (1/1/x and 1/5/x) are carved from 100G uplinks via `interface breakout module 1 port X map 25g-4x`. + +--- + +## Switch 2 — AT1EU-NEXUS-2 + +| Old Port | Description | New Port | Device | Device Port | +|---|---|---|---|---| +| Ethernet1/2 | Trunk FAS 2750-A | — | Catalyst | T1/1/3 | +| Ethernet1/3 | Trunk FAS 2750-B | — | Catalyst | T1/1/4 | +| Ethernet1/9 | Trunk A70-A | Ethernet1/5/1 | A70 | — | +| Ethernet1/10 | Trunk A70-A | Ethernet1/5/2 | A70 | — | +| Ethernet1/11 | Trunk A70-B | Ethernet1/5/3 | A70 | — | +| Ethernet1/12 | Trunk A70-B | Ethernet1/5/4 | A70 | — | +| Ethernet1/16 | Access NetApp XFER | — | Catalyst | T1/1/7 | +| Ethernet1/17 | Trunk 500e-X1 | Ethernet1/26 (10G) | Firewall | X1 | +| Ethernet1/22 | Access L4 HLCI JAVELIN (Allow STP-BPDU) | — | Catalyst | T1/1/5 | +| Ethernet1/24 | Access L4 HLCI ROCK(L4)MLS (Allow STP-BPDU) | — | Catalyst | T1/1/6 | +| Ethernet1/25 | Trunk 6554-2:25 | Ethernet1/1/1 | UCS 6554-2 | 1/25 | +| Ethernet1/26 | Trunk 6554-2:26 | Ethernet1/1/2 | UCS 6554-2 | 1/26 | +| Ethernet1/27 | Trunk 6554-1:27 | Ethernet1/1/3 | UCS 6554-1 | 1/27 | +| Ethernet1/28 | Trunk 6554-1:28 | Ethernet1/1/4 | UCS 6554-1 | 1/28 | +| Ethernet1/45 | Trunk 9300 | Ethernet1/24 (10G) | Catalyst 9300 | T1/1/1 | +| Ethernet1/46 | Trunk 9300 | Ethernet1/25 (10G) | Catalyst 9300 | T1/1/2 | +| Ethernet1/47 | Trunk Peer-Link (Allow STP) | Ethernet1/27 | NEXUS-1 Peer | — | +| Ethernet1/48 | Trunk Peer-Link (Allow STP) | Ethernet1/28 | NEXUS-1 Peer | — | + +> **Legend:** `—` in New Port column indicates the connection moves to the listed Device/Port with no renumbered Nexus port. 25G breakout ports (1/1/x and 1/5/x) are carved from 100G uplinks via `interface breakout module 1 port X map 25g-4x`. + +--- + +## Summary of Changes + +| Change Type | Details | +|---|---| +| **Breakout (100G → 4x25G)** | Ports 1, 5 on both switches broken out to 25G sub-interfaces for UCS FI and A70 storage connectivity | +| **UCS 6554 FI connections** | Old Ethernet1/25–1/28 (fixed 1/x ports) → New Ethernet1/1/1–1/1/4 (breakout sub-ports) | +| **A70 Storage connections** | Old Ethernet1/9–1/12 (fixed 1/x ports) → New Ethernet1/5/1–1/5/4 (breakout sub-ports) | +| **9300 Uplinks** | Old Ethernet1/45–1/46 → New Ethernet1/24–1/25 (10G, connecting to Catalyst T1/1/1–T1/1/2) | +| **500e Firewall** | Old Ethernet1/17 → New Ethernet1/26 (10G, firewall X1) | +| **Peer-Link** | Old Ethernet1/47–1/48 → New Ethernet1/27–1/28 (both switches) | +| **Moved to Catalyst** | FAS 2750, HLCI JAVELIN, HLCI ROCK, and (Sw2 only) NetApp XFER ports migrated off the Nexus to a downstream Catalyst switch | +