Hi! I've discoverd a strange behaviour. Either it's a bug, or an urgent required upgrade of my knowledges. C2960+ 24TC-L / 15.0(2) SE6 Here is the symptoms observed: . If i try to export the startup config to a TFTP server located in a distinct vlan...
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Forum Posts
I use ixia to test my dhcp server. the mac address of these ports are different, but they get the same ip address from dhcp server. these two ports are in the vlan 2. these ports are connected to n9k which is connected to 2960. I really do not know w...
Catalyst 2950 / Version 12.1(22)EA12 / Running Enhanced Image Hi I'm very puzzled about the CoS field (Layer2) and the DSCP field (Layer3) relationship. I've setup a CoS7 (set cos 7) on a Catalyst 2950 access port, and started SPANning the trunk po...
Dear Community, I have a corrupted flash as you will see from the attached file of a C871 router.I dont think you can load the IOS from the tftp-server when you can assign the router an ip address to begin with.what can be done to save router.I was h...
Resolved! IOS Update to enable SSH
Hi, I have to update several Catalyst Switche to enable SSH. Most of them are C2960-8TC-L and C2950. Currently running: flash:c2960-lanbase-mz.122-35.SE5/c2960-lanbase-mz.122-35.SE5.bin or c2950-i6q4l2-mz.121-22.EA4.bin Which IOS is the right for SS...
-dHi I had been trying to configure bandwidth on vlan interface using mac access list so what i did was mac address-list extended bandwidht permit host mmmm.mmmm.mmmm any deny any any mac address-list extended bandwidht2 deny host mmmm.mmmm.mmmm any...
Dears, i have 2 question for Nexus Is there are bugs with all Nexus OS becz whenever i try to configure vpc the keepalive and peerlink doesn't come up i have to do default interface many times and if it is in a mood then only it will come up. so anyb...
I am troubleshooting an issue with a Canon Plotter printer which was working fine until we replaced the old 3COM switch that it was connected to with a new Cisco Catalyst 2960-X. After the switch replacement the printer is very slow queuing the print...
Hi, I have upgraded a Cisco Switch 3560G with new image but I cannot delete old image from the flash? I have used del /force /recursive cmd as well but image still in flash? Also, I added login local cmd under console and VTYs without having enable ...
My monitoring system is reporting that VLAN 1 is 100% utilization with lots of packets drop in my 6504. That VLAN is used to route multicast traffic between 10 channel-ports each is 2G. It seems that by default the VLAN bandwidth is set to 1G, howeve...
Hi all Last year our company bought 1x 4503-E with Sup8E. This year we will buy 1 more for redundancy and use VSS to connect between 2 SWs. We want to reduce the cost, so we want to buy Sup7E or 8L-E. So I wonder if either Sup7E/Sup8L-E can do VSS wi...
Resolved! 4500x VSS members uptime
Hi, I can't find a way to know each members and reload reason on a VSS pair of 4500x. I suspect that the standby peer has rebooted but sh ver only show me the uptime and reload reason for the active peer... I can find a way to show the vss link up...
I am trying to debug coa commands on Cisco 2960 switch. I am not able issue the following command debug aaa coa There is no coa option available for debug aaa command. Am I missing any configuration?
Resolved! Stacking 2960S and X switches
What is the recommended version of IOS to be used for stacking 2960S and 2960X switches?
hello dear prof! i have running now in me little network a Mailserver, please i don't knowhow to open the port 25,110 on me Cisco 1841 so that this Email-Serverwith the static address in internal Network are reachable from the hole world. i have conf...
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