Category: Networking
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Mikrotik Script To Add CPE Names To Switch Ports
In one of my new build MDUs, the cabling got all scrambled so my in room Mikrotik routers got all scrambled up. I needed a way to go through each switch and update the interface comment to match what room it is associated with. Each CPE is named Room101, Room225, etc. If I connect to…
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Ansible Routeros Module Quirk With Commas
When you are using commas in a playbook with Ansible on the routeros module you will have a bad time unless you do this one special trick. First here’s my example playbook: — – name: wlan2 radio tuning connection: network_cli gather_facts: false hosts: mtk3 tasks: – name: Add vlan config back for user vlans routeros_command:…
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The Brothers WISP 110 – Online Certs, New CCR 2004, AU/NZ Vs US ISP
This week Greg, Mike, and Andrew Thrift talk about the new hardware, and speculate on what’s next. This week we talk about: *Cambium Sponsor Deal* Cisco offering online testing for certs…who’s next? (Greg hopes it’s Red Hat LOL) Winbox 3.23 ctrlC and ctrlA work! MTK CCR2004-1G-12S-2XS CRS326-24G-2S+IN desktop switch hAP AC3 Speculation on new(More)…
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Ansible Mikrotik Mass Configuration Fast – Mikrotik MUM US 2020
This is 30 minutes that will take you from zero to using Ansible for mass configuration of your Mikrotik devices. This will cover the very basics of Ansible, then follow with demonstrations on creating and using playbooks. You can find my Ansible scripts in my GitHub repository. Happy automating and let me know your thoughts!
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Simple Interface Policing In IOS-XR (ASR9000)
First I’ll create a simple policy that will match on 2gbps. The policy map in IOS-XR is a dream, it lets you specify speed in bps, kbps, mbps, or gbps…stupid simple. policy-map 2gig class class-default police rate 2 gbps conform-action transmit exceed-action drop ! ! end-policy-map So class “class-default” is a built in class that…
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Cisco Ifindex Persistent Between Reboots
So if a line card fails in a Cisco device and the chassis is rebooted, then the ifindex for all or some of the interfaces may suddenly change. To combat this enter the following command: snmp-server ifindex persist This command will globally fix the ifindex of interfaces. Here’s the Cisco link.
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Cisco ASR 9000 Power-module failure condition raised
We were recently doing some chassis replacements and I got my final ASR 9000 chassis in. We were able to successfully upgrade it and were letting it do its customary hardware burn in when we notice some odd messages hitting the log: RP/0/RSP0/CPU0:Nov 8 13:44:57.220 CST: pwrmon[381]: %PLATFORM-PWRMON-2-MODULE_FAILURE : Power-module 0/PS0/M0/SP failure condition raised RP/0/RSP0/CPU0:Nov…