security 归档 - 夜莺博客

标签：security

Securing BGP with TCP-AO on Arista EOS and Juniper

Securing BGP with TCP-AO on Arista EOS and Juniper

Configure TCP-AO for BGP on Arista EOS 4.28.2F+: multi-agent routing model, shared secret profiles, key IDs and lifetimes, plus verification commands.

admin admin 2026-08-23
0 0 0
Arista EOS Configuration Cheat Sheet: Commands That Matter

Arista EOS Configuration Cheat Sheet: Commands That Matter

<p>Practical Arista EOS configuration cheat sheet: access hardening, VLANs, trunks, port-channels, STP, OSPF, eBGP, VRRP, ACLs and SNMPv3 with ready-t

admin admin 2026-08-23
0 0 0
Unexpected MAC Learning on Catalyst 9000 Switches

Unexpected MAC Learning on Catalyst 9000 Switches

<p>TAC case: Catalyst 9300 learned the gateway MAC on random access ports, breaking a VLAN. How packet reflection, dot1x MAB and stuck MACs caused it,

admin admin 2026-08-23
0 0 0