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What is the difference between a normal archive download-sw  and archive download-sw /leave-old-sw ?If i use normal archive download-sw it will delete the previous file and it wont corrupt the switch right ? I did this because the space is full and i...

I am leaving in a year and our group wants options as to what to do in the future with our current pair of 6509s setup in VSS. We currently use a Sup 720 10G in each chassis and I know that going to 40Gb interfaces requires the 2T sup at least and wa...

gp1200x by Level 2
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  • 6 replies
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Dear Cisco Community,hope this message finds you well.I have one network scenario in my lab,Router 1: 10.100.30.5/24, Router 2: 10.30.60.1/24Cisco Switch with following VLAN's:VLAN 2:192.168.2.1/24, VLAN 3:192.168.3.1/24Computer and other peripherals...

SShaikh319 by Level 1
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  • 12 replies
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I have a connection to Microsoft Azure via Megaport. Megaport asked me a question if my device i.e. 3850 is capable of QnQ tunneling and I know it is capable of QnQ tunneling.  My inner vlan 901Outer Vlan 999 Switch : 3850it holds the L3 configuratio...

I have an ISR 2921Upgrading the IOS to c2900-universalk9-mz.SPA.157-3.M8.binsh run | inc bootboot-start-markerboot system flash:c2900-universalk9-mz.SPA.157-3.M8.binboot-end-marker How do I find the bootvar to check if the right IOS is going to loadR...

Hi all, I have a 9372 with the following issue. One of the inteface from my port-channel is in (suspended(no LACP PDUs)) Eth1/3         connected trunk     full    10G     10Gbase-SR Eth1/4        suspended trunk     full    auto    10Gbase-SR ! i...

When will Cisco release the IOS release 15 for Catalyst 3560CG? We need it because of the critical voice feature (authentication event server dead action authorize voice) for 802.1x.Actually only release 12.2(55)EX3 is available for the 3560CG-8PC-S ...

Hi everyone, i am new to cisco technology. i am try to configure port security on a cisco switch sg250 using putty. But i keep getting an error of "% Wrong number of parameters or invalid range, size or characters entered" when i entered "switchport ...

brian25 by Level 1
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  • 7 replies
  • 0 Helpful votes

hi guys, there are 2 types of Ethernet framing:  802.3 and Ethernet II.  according to cisco "Ethernet II is the Ethernet frame format used in TCP/IP networks." So what about the 802.3 Frame ? I'm nor really able to find any explanation....  Thank you...