reliability - 0x2142 | Networking Nonsense

Topic 1 Post

reliability

How Does Maintenance Scheduling Affect Your Network?

By Matt Schmitz in General Thoughts on 07 Feb 2018

Last week I came across a thread on Reddit that asked the question: “What is your company’s policy on maintenance windows?”. This got me thinking about how maintenance windows have been handled at the various companies I’ve worked at, and how those schedules/restrictions…

Topics

cisco: 34 General Thoughts: 28 Juniper: 22 network: 21 career: 20 networking: 17 certification: 15 advice: 14 experience: 13 Network Automation: 12 CCIE: 12 IT: 11 automation: 11 srx: 11 General Networking: 10 bgp: 9 security: 9 firewall: 9 CCIE R&S: 9 JunOS: 9 lessons learned: 8 python: 8 switch: 8 linux: 8 General: 7 Networking Basics: 7 VPN: 7 configuration: 7 scripting: 7 Study: 7 400-101: 7 CLI: 6 pyez: 6 ccnp: 6 ccie lab: 6 ccie written: 6 architecture: 5 design: 5 router: 5 tips: 5 lab: 5 education: 5 Juniper SRX: 5 srx 1500: 5 srx 345: 5 troubleshooting: 5 API: 5 CCIE 2019: 5 CCIE 2020: 5 Enterprise Infrastructure: 5 R&S: 5 Routing & switching: 5 IP addressing: 4 routing: 4 commandline: 4 IOS: 4 junos-eznc: 4 self-improvement: 4 ccna: 4 CheckPoint: 4 Synology: 4 dashboard: 4 django: 4 web development: 4 goals: 4 cisco champion: 4 labbing: 4 ospf: 4 training: 4 backup: 3 redundancy: 3 black magic: 3 layer 2: 3 issue: 3 migration: 3 backups: 3 nas: 3 network attached storage: 3 junos-pyez: 3 cluster: 3 ARIN: 2 dynamic routing: 2 peering: 2 0x2142: 2 baseline: 2 MAC address: 2 port security: 2 logging: 2 bug: 2 ssg: 2 latency: 2 monitoring: 2 ACL: 2 centos: 2 replication: 2 check point: 2 HTML: 2 chassis cluster: 2 config: 2 failover: 2 srx1500: 2 srx345: 2 CCDP: 2 troubleshoot: 2 server: 2 cloud: 2 dns: 2 DS411: 2 DS918: 2 iSCSI: 2 RAID: 2 SHR: 2 malware: 2 load balancer: 2 technology: 2 ansible: 2 cissp: 2 early career: 2 cybersecurity: 2 SDWAN: 2 Viptela: 2 Cisco Wireless: 2 access point: 2 catalyst: 2 catalyst 9800: 2 wireless: 2 wireless controller: 2 subnetting: 1 VLSM: 1 ASN: 1 bgpv4: 1 multihomed: 1 multihoming: 1 routing protocol: 1 guide: 1 tutorial: 1 change management: 1 standards: 1 magic: 1 tricks: 1 firewall context: 1 routing instance: 1 virtualization: 1 vrf: 1 change: 1 constant improvement: 1 culture: 1 influence: 1 office: 1 CAM overflow: 1 switches: 1 learning: 1 playground: 1 testing: 1 college: 1 correlation: 1 wireshark: 1 ike: 1 ipsec: 1 tunnel: 1 graph: 1 packet loss: 1 smokeping: 1 planning: 1 routing table: 1 ASA: 1 CCDE: 1 JNCIA: 1 crashplan: 1 file share: 1 NFS: 1 virtual machine: 1 firewall-1: 1 gaia: 1 ip address: 1 scheme: 1 screenos: 1 secondary address: 1 secondary ip: 1 transition: 1 interview: 1 interviewer: 1 interviewing: 1 job hunting: 1 recruiting: 1 resume: 1 chassis cluster setup: 1 setup: 1 switchport protected: 1 cpu: 1 httpd: 1 process: 1 aggressive aging: 1 concurrent connections: 1 esx: 1 intrusion prevention: 1 IPS: 1 issues: 1 settings: 1 TCP: 1 vcenter: 1 vmware: 1 AWS: 1 amazon: 1 cloud service: 1 hosting: 1 lightsail: 1 product review: 1 review: 1 service provider: 1 vps: 1 web hosting: 1 data: 1 DS418: 1 hard drive: 1 LUN: 1 afrinic: 1 American Regional Internet Registry: 1 ARIN on the Road: 1 dnssec: 1 IANA: 1 Internet Assigned Numbers Authority: 1 ip addresses: 1 ipv4: 1 ipv6: 1 lacnic: 1 number registry: 1 rpki: 1 200-125: 1 bpdu: 1 networks: 1 osi model: 1 root bridge: 1 spanning-tree: 1 spanning-tree protocol: 1 stp: 1 asa5505: 1 firewall rules: 1 rules: 1 splunk: 1 splunk light: 1 srx300: 1 syslog: 1 ubiquiti: 1 route: 1 understanding: 1 work: 1 attack: 1 default vlan: 1 dot1q: 1 ethernet headers: 1 mitigation: 1 native vlan: 1 vlan: 1 vlan 1: 1 vlan hopping: 1 vlan id: 1 vlan tag: 1 vlan tagging: 1 vulnerability: 1 blog: 1 new year: 1 post: 1 future: 1 programming: 1 script: 1 2018 cisco champion: 1 ambassador: 1 champions: 1 cisco champions: 1 expert: 1 group: 1 knowledge: 1 share: 1 802.3ad: 1 etherchannel: 1 ieee: 1 L2: 1 lacp: 1 pagp: 1 downtime: 1 maintenance window: 1 network architecture. maintenance: 1 network design: 1 reliability: 1 SLA: 1 uptime: 1 window: 1 business: 1 risk: 1 risk acceptance: 1 security principals: 1 Cisco Switching: 1 93180YC-EX: 1 9372PX: 1 autonegotiation: 1 nexus: 1 Nexus 93180: 1 Nexus 9372: 1 nexus 9k: 1 no autonegotiate: 1 no negotiate auto: 1 QSFP: 1 QSFP-40G-CR4: 1 speed 40000: 1 annual cybersecurity report: 1 best practices: 1 ciscoacr: 1 network security: 1 opinion: 1 alerting: 1 bgp route monitoring: 1 routetable: 1 srx 300: 1 bash: 1 cattools: 1 config backups: 1 f5: 1 kiwi cattools: 1 redhat: 1 solarwinds: 1 tmsh: 1 impact: 1 incident response: 1 JTAC: 1 outage: 1 support case: 1 support issue: 1 TAC: 1 ticket: 1 vendor support: 1 918+: 1 array: 1 BackBlaze: 1 disk: 1 DiskStation: 1 drive: 1 DSM: 1 HyperBackup: 1 Seagate: 1 ST3000DM001: 1 storage: 1 Synology Hybrid Raid: 1 volume: 1 WD Red: 1 WD40EFRX: 1 Western Digital: 1 code: 1 developer: 1 devops: 1 netdevops: 1 netop: 1 programmability: 1 1.1.1.1: 1 android: 1 android 9.0: 1 android pie: 1 attacks: 1 cloudflare: 1 dns over tls: 1 google: 1 man-in-the-middle: 1 MitM: 1 privacy: 1 quad9: 1 rfc7858: 1 ssl: 1 SSL decryption: 1 tls: 1 tls1.3: 1 user privacy: 1 web filter: 1 web proxy: 1 burnout: 1 jobs: 1 motivation: 1 NFV: 1 branch networking: 1 DNA Center: 1 DNAC: 1 ENCS: 1 enterprise networking compute system: 1 KVM: 1 Network function virtualization: 1 NFVIS: 1 vEdge: 1 Virtual networking: 1 VNF: 1 300-401: 1 EI: 1 ENCOR: 1 Routing and switching: 1 9800: 1 bssid: 1 cat9800: 1 cisco systems: 1 ewlc: 1 flex connect: 1 flexconnect: 1 iot: 1 ise: 1 mac filtering: 1 network segmentation: 1 segmentation: 1 ssid: 1 vwlc: 1 wlc: 1 802.11ax: 1 9100: 1 9120: 1 9120axi: 1 embedded wireless controller: 1 embedded WLC: 1 wifi: 1 wifi 6: 1