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feat(isn): VLAN-4 routed sub-interface + addr on spine ISN ospfIf; ISN-CSW LLDP neighbor (v0.19.0)

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Real ACI multi-site spines carry the OSPF address toward the ISN on a
routed sub-interface, not the bare port: ospfIf id/dn are now
eth1/{49+si}.4 with addr=172.16.{site}.{si+1}/24 (same /24 as the
existing .254 peer); ospfAdjEp nests under the sub-if. Each spine ISN
uplink physical port also gets an ISN-CSW lldpAdjEp/cdpAdjEp
(sysName ISN-CSW{site}, portIdV Ethernet1/{si+1}, model N9K-C9364C,
locally-administered 02:1B:0D MAC hashed from site.id). Single-site
fabrics build none of this. Closes the autoACI Fabric (physical) gap
where spine uplink rows showed blank Local IP / Neighbor Port.
908 tests green.
This commit is contained in:
dtzp555-max
2026-07-07 08:17:23 +10:00
parent ff838e2467
commit f6c95a0105
12 changed files with 257 additions and 21 deletions
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docs/CONTRACT.md
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@@ -299,7 +299,7 @@ PR-19: the ISN/IPN spine uplink `l1PhysIf.mtu` is now `isn.mtu`-driven (default
`cdpAdjEp`(dn,sysName,mgmtIp,devId,portId,platId,ver,cap) ·
`lldpInst`🆕(dn,adminSt,name,holdTime,initDelayTime,txFreq,ctrl,optTlvSel) · `lldpIf`🆕(dn has `if-[eth{s}/{p}]`,id,adminRxSt,adminTxSt,operRxSt,operTxSt,mac,portDesc,portVlan,sysDesc,wiring) ·
`cdpInst`🆕(dn,adminSt,name,holdIntvl,txFreq,ver,ctrl) · `cdpIf`🆕(dn has `if-[eth{s}/{p}]`,id,adminSt,operSt) ·
`isisAdjEp`(dn,operSt,sysId,lastTrans,numAdjTrans) · `isisDom` · `ospfAdjEp`(dn,operSt,id,peerIp/addr,nbrId,area) · `ospfIf`✅(name,area,state,helloIntvl,deadIntvl) · `arpAdjEp`✅(ip,mac,ifId,physIfId,operSt).
`isisAdjEp`(dn,operSt,sysId,lastTrans,numAdjTrans) · `isisDom` · `ospfAdjEp`(dn,operSt,id,peerIp/addr,nbrId,area) · `ospfIf`✅(name,area,state,helloIntvl,deadIntvl,addr) · `arpAdjEp`✅(ip,mac,ifId,physIfId,operSt).
LLDP/CDP fidelity (v0.12.0): `lldpAdjEp`/`cdpAdjEp` are now enriched with real-APIC-shaped fields
(`portIdV`/`portId` carry the NEIGHBOR's own port; `chassisIdV` is a deterministic per-node MAC,
see `build/neighbors.py:node_mac`; `sysDesc`/`platId`/`ver` describe the neighbor's model+version, or
@@ -312,6 +312,7 @@ target-subtree-class=lldpAdjEp`) returned `totalCount=0` because the root DN had
`--json` for machine-readable output).
PR-19: `ospfIf.area`/`ospfAdjEp.area` are now `isn.ospf_area`-driven (default `"0.0.0.0"`) instead of a hardcoded literal.
PR-20: `ospfIf.helloIntvl`/`deadIntvl` are new, driven by `isn.ospf_hello`/`isn.ospf_dead` (defaults 10/40, real ACI defaults) — previously not carried on this MO at all.
PR-22: the ISN-facing `ospfIf`/`ospfAdjEp` on each multi-site spine now sit on a routed VLAN-4 sub-interface (`id`/dn `eth1/{49+si}.4`, was the bare physical port `eth1/{49+si}`) and `ospfIf` gained an `addr` attribute (`172.16.{site.id}.{si+1}/24`) — matching real ACI multi-site spines, which carry the ISN OSPF address on a sub-if rather than the physical port. The underlying physical port's `l1PhysIf`/`ethpmPhysIf` (interfaces.py) are unchanged. Each spine's ISN uplink physical port also gained a simulated `lldpAdjEp`/`cdpAdjEp` (`sysName=ISN-CSW{site.id}`, `portIdV=Ethernet1/{si+1}`, model `N9K-C9364C`) via `build/fabric.py`, the third `add_adjacency` call site — see docs/DESIGN.md's "PR-22" section.
**Overlay/BGP:** `bgpInst`(dn,asn) · `bgpPeer`(dn,asn,addr,type,peerRole) ·
`bgpPeerEntry`(dn,addr,operSt∈{established,...},rtrId,lastFlapTs,connEst,connDrop,type) ·