A friend of mine who was used to the legacy and EOL SSG/ScreenOS platform and he just jumped into the new world of SRX/JunOS gave me the motivation to write this article. As the syntax is quite different between the two platform, it may be harder to get at first and the following example should… Read More »
Getting the following error on your Juniper EX/MX/QFX virtual chassis? fpc1 CMLC: Going disconnected; Routing engine chassis socket closed abruptly This message is informational and does not necessary indicate any serious issue, for example in a graceful Routing Engine switchover (GRES) context / if you flipped the routing-engine (RE) on purpose. However if this is… Read More »
I ran into a weird issue trying to adopt several Ubiquiti UniFi AP Mesh Pro access points on a newly created site within the UniFi controller lately. Here is the behavior encountered : – Newly UniFi access point deployed showed up in the controller for adoption ; – Clicking “Adopt” did started the provisioning process… Read More »
If your Power over Ethernet (PoE) device(s) connected to an EX 4300-48p switch suddenly lose power unexpectedly after some time working just fine, you may be experiencing PoE controller software issue. First of all, verify if you are not over your PoE power budget (this could be sometimes the case when you have a LOT… Read More »
If you want your SRX firewall to handle DNS requests on your network, you need to configure the forwarders to make this possible, in addition to a few other parameters. First, make sure you have no local forwarders set on the device itself as it cannot be used along with the dns-proxy service – if… Read More »
Having the following log error entry using the archival function to backup your configuration on your Juniper device? logger: transfer-file failed to transfer /var/transfer/config/re0.HostName_juniper.conf.gz_20181129_034459 I have experienced the following, where no further details provided, under the following conditions : – The backup server (ftp, sftp) is reachable and working properly – The credentials to the… Read More »
Encountered such issue in your log file of your Juniper network device? LIBJNX_FILE_SYSTEM_FAIL: /var/transfer/config/: No such file or directory This is most likely related to your configuration archival (backup), with such statement :
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set system archival configuration [transfer-on-commit | transfer-interval] set system archival configuration archive-sites "scp://user@IP_Address/path/to/folder" password "USER_Password" |
This is most likely caused by filesystem corruption and/or inexisting transfer folder on the filesystem. To resolve this issue, enter into… Read More »
Experiencing the following error while upgrading JunOS? Verify the signature of the new package verify-sig: cannot validate certs.pem certificate is not yet valid: /C=US/ST=CA/L=Sunnyvale/O=Juniper Networks/OU=Juniper CA/CN=PackageProductionRSA_2018/emailAddress=ca@juniper.net ERROR: Package signature validation failed. Aborting install. This error could be caused by incorrect date and time set on your device (back in time). To validate the current value,… Read More »
Experiencing the following alarm event log on your Juniper EX switch? Alarm time Class Description 2016-01-20 07:12:04 UTC Major Upgrade bank is empty or corrupted for FPC 0, please do standard upgrade sequence This is likely because your switch was running an inferior JunOS version than 10.4r3 and it was upgraded to a greater version,… Read More »
You are probably used to all these “get my IP” or “find my IP” kind of site, which show your external / Internet IP on a Web page. However you might be facing some challenge if you are on a CLI only kind of machine. Fortunately there is a few ways to find your public… Read More »