Tag Archives: Cisco

The Access VLAN is dead. Long live the Native VLAN.

I saw a question recently that asked “What is the point of the Native VLAN?” – and I could sense a degree of frustration in the question caused by Cisco’s weird way of describing untagged VLANs differently on different port … Continue reading

Posted in Access VLAN, CCNA, Cisco, Native VLAN, VTP | Tagged , , , , , | 4 Comments

Cisco catalyst private-config.text file

I’ve often noticed the file private-config.text on a Catalyst switch, so I thought I’d have a look at it: Switch_x#more private-config.text %Error opening flash:private-config.text (Permission denied) so that really got my curiosity going. It took a couple of searches, but … Continue reading

Posted in Cisco | Tagged , , , | 1 Comment

bgp routes in bgp table but not in routing table

Had a strange problem on a router recently where the bgp routes would show up when the show ip bgp command was issued, but NOT when the show ip route command was issued. Turns out I was using an old … Continue reading

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Solution to “TFTP copy: operation terminated due to bad checksum comparison”

In short: TFTP_CHECKSUM=0 will get you out of trouble I came across this error when trying to re-image a Cisco 2600 router.  I had set up another router as a tftp server, and was attempting to re-flash the problem router … Continue reading

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