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3–7 min

T-ISP-018 · L2VPN / VPWS Provisioner

Provision point-to-point L2VPN (VPWS / EoMPLS) pseudowires with VC-ID allocation, attachment-circuit binding, control-word/MTU consistency checks, and dual-PE verification.

Cisco IOS-XR
Cisco IOS/XE
Juniper Junos
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Capabilities

  • VC-ID allocation
  • AC interface binding
  • MTU consistency check
  • Control-word match
  • Dual-PE verification
  • Rollback block

Required inputs

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

ParameterTypeDefaultNotes
Pseudowire MTU
mtu
number1500—
Encapsulation (mpls)
encap
stringmpls—

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 Pseudowire MTU, Encapsulation (mpls) instead of the defaults — they shape what counts as a fault.

Hint 3 — Prioritize the checks you need

This tool can vC-ID allocation and aC interface binding. 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 11:02:00 INFO  VPWS cust-DATACTR: VC-ID 5018 allocated
2026-06-15 11:02:01 INFO  pe-rtr-02 <-> pe-rtr-07 xconnect rendered (MTU 1500)
2026-06-15 11:02:01 WARN  MTU mismatch risk: verify AC MTU on both ends
2026-06-15 11:02:01 INFO  Use --apply to commit