Ciena — page 3

Ciena 8700 Packetwave: How to perform a Ciena 8700 Packetwave: How to push a config Ciena 8700 Packetwave: How to recover from a Ciena 8700 Packetwave: How to rollback to the Ciena 8700 Packetwave: How to validate after Ciena 8700 Packetwave: How to verify image Ciena 8700 Packetwave: How to zero-touch Ciena 8700 Packetwave: Upgrade Path to latest Ciena 8700 Packetwave: Upgrade Path to latest Ciena 8700 Packetwave: Upgrade Path to the Ciena router: ARP poisoning / spoofing detected Ciena router: asymmetric routing detected Ciena router: DHCP clients not receiving IP Ciena router: DHCP relay not forwarding Ciena router: duplicate IP address detected Ciena router: HSRP / VRRP virtual IP not Ciena router: MAC address flapping between Ciena router: MAC table full Ciena router: TCAM exhausted (routes / ACL Ciena router: trunk port not passing VLANs Ciena: 100G QSFP28 PSM4 vs CWDM4 vs LR4 Ciena: 10G long-reach SR vs LR vs ER Ciena: 40G QSFP+ breakout to 4x10G SFP+ Ciena: asymmetric routing breaking firewall Ciena: BGP neighbor stuck Active Ciena: BGP neighbor stuck Idle Ciena: BGP route filtered inbound Ciena: CAT5e vs CAT6 vs CAT6A for 1G and 2.5G Ciena: default route flapping Ciena: fiber multi-mode (MMF) vs single-mode Ciena: How to check device end-of-life Ciena: How to check security advisories for Ciena: How to check warranty / support Ciena: How to collect tech-support Ciena: How to configure logging to a central Ciena: How to disable unused services and Ciena: How to enable control-plane policing Ciena: How to enable HTTPS-only management Ciena: How to enable management ACL to lock Ciena: How to enable NETCONF or vendor API Ciena: How to force MFA on the management Ciena: How to harden AAA (TACACS+ / RADIUS) Ciena: How to look up a known issue / bug ID Ciena: How to open a support case Ciena: How to register a device for warranty Ciena: How to renew support contract Ciena: How to replace SNMPv2c with SNMPv3 Ciena: How to replace Telnet with SSH Ciena: How to request a hardware RMA Ciena: How to transfer support to a new owner Ciena: How to use modern password hashing (no Ciena: How to use SCP / SFTP instead of TFTP Ciena: OSPF duplicate router-id Ciena: OSPF MTU mismatch Ciena: OSPF neighbor stuck ExStart Ciena: PoE / PoE+ / PoE++ cable considerations Ciena: SFP vs SFP+ vs SFP28 vs QSFP+ vs QSFP28 Ciena: static route not installing in RIB Ciena: third-party optics: compatibility and Ciena: twinax DAC vs fiber transceivers for