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installing tranceivers on isr4331 router, precisely tranceivers model: GLC-LH-SMD I have noticed that the only tranceivers that work are those made in China, i hame same transceiver GLC-LH-SMD made in malaysia but they don't work. why do only transce...

HelloWhen I turn on device, it goes directly to rommon mode! It came with various error: magic number or bootflash directory (mostly). Here are some information: Supervisor version: WS-X4612-SFP-E, WS-X45-SUP8-E Rommon version: 15.1(1r)SG5 Ios Versio...

neonetad by Beginner
  • 30 replies
  • 0 Helpful votes

Hi I got an alarm from C4506R-E switch with temperature issue It is how looks like B_C4506_B2#show environment warning alarm: slot 1 has exceeded the warning temperature for 1470h 42m 10s Module Sensor Temperature Status ------+----------------------...

nzell005 by Beginner
  • 1 replies
  • 0 Helpful votes

Hi, We have a two 6509 chassis in vss mode (122-33.SXI6). Currently a 'redundancy force-switchover' takes 10 minutes to complete (before we can access switch on management IP).  We are running sso with nsf.  Is this expected given standad HSA and we ...

Hi All,We are doing an annual test on our core switches on each site. Our site on YOK we have a Cisco 9500-40X when I did a fail over test with Local IT  I have him unplug the power cable on Core 1 and Core2 should automatically take over right? howe...

Weezy-F by Beginner
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  • 0 Helpful votes

Good day,   I have a switch cisco ws-3650 -24ps-s which in rommon mode "switch:" I tried to boot packages.cnf but keeps rebooting. I tried to copy a new IOS version in rommon mode  to flash: but I got a message which indicates an error  "Read only fi...

sannymlao by Beginner
  • 33 replies
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Hi all,After successfully moving two C9300 stacked switches without powering them off or affecting the network... we had a power event which forced them off Anyway, they powered back up ok and everything is running except a strange issue with the 10g...

PACC by Beginner
  • 9 replies
  • 0 Helpful votes

I am currently trying to upgrade over 200  2960x switch stacks. Currently I am using the 'scp' command due to issues with tftp via ipsec tunnels.I am using the following commands on my switch stack to a Linux server  archive download-sw /overwrite /i...

romanroma by Beginner
  • 0 replies
  • 0 Helpful votes