T-ISP-009 · LDP/RSVP Label Allocation Auditor

Audit MPLS label allocation across the backbone: LDP/RSVP label bindings, label-range exhaustion, orphaned bindings, and FEC-to-label consistency between LSRs.

Cisco IOS-XR

Cisco IOS/XE

Juniper Junos

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Capabilities

LDP + RSVP binding inventory
Label-range exhaustion check
Orphaned binding detection
FEC↔label consistency diff
Per-LSR utilization report
JSON export

Required inputs

Parameters the script accepts. Defaults shown; some are vendor- or context-gated.

Parameter	Type	Default	Notes
Range warn (%) range_warn_pct	number	80	—
Protocol (ldp\|rsvp\|both) protocol	string	both	—

Hint 1 — Name your vendors and OS versions

Mention the exact platforms you run (Cisco IOS-XR, Cisco IOS/XE, Juniper Junos) so the generated isp & peering logic uses the right CLI/NETCONF syntax.

Hint 2 — State your real thresholds

Provide concrete values for Range warn (%), Protocol (ldp|rsvp|both) instead of the defaults — they shape what counts as a fault.

Hint 3 — Prioritize the checks you need

This tool can lDP + RSVP binding inventory and label-range exhaustion check. Ask for the subset relevant to your incident to keep output focused.

Hint 4 — Describe your inventory format

Tell the assistant whether your device list is CSV, YAML, or JSON and which columns it has, so parsing matches your data.

Sample inventory schema

Authoritative shape of the device/policy data this script consumes.

No bundled inventory sample. The script accepts standard device lists (CSV/YAML) with hostname, mgmt IP, vendor, and credentials.

Expected output

Reference terminal output the script should produce — used as a stylistic and structural target.

terminal

2026-06-15 09:02:11 INFO  Collected 8421 label bindings from 12 LSRs
2026-06-15 09:02:12 WARN  P-rtr-03: LDP label range 86% used (>80%)
2026-06-15 09:02:12 WARN  P-rtr-05: 3 orphaned bindings (no matching FEC)
2026-06-15 09:02:12 INFO  Report written to label-audit.json