Category Archives: Reminders

REMINDER: administrative distances of routing protocols

ADs of the routing protocols: 0 – connected 1 – static 5 – eigrp summary 20 – ebgp 90 – eigrp 100 – igrp 115 – is-is 110 – ospf 120 – rip 140 – egp 160 – on demand … Continue reading

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REMINDER: ICMP type codes

Type 0 — Echo Reply Type 1 — Unassigned Type 2 — Unassigned Type 3 — Destination Unreachable Type 4 — Source Quench (Deprecated) Type 5 — Redirect Type 6 — Alternate Host Address Type 7 — Unassigned Type 8 … Continue reading

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