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Forum Posts
We have a remote site that is using 3750X switches as layer 2 switches back to our home site. The uplink port is showing dropped packets but the utilization on the link is never about 10%. We have a 100Mb circuit to this site. Our speed tests and ...
Hello everybody.Just managed to set up a couple of 3850-48P stacks, every one of these tells me while booting up:% Error! No serial number found for this platform.cisco WS-C3850-48P (MIPS) processor with 4194304K bytes of physical memory.Nevertheless...
I have the following devices :1 VM Host2 Layer 3 switches I would like to provide full redundancy for all vlans being used by VM Guests on the VM Host as well as the management vlan being used by the VM Host.I have created two LACP etherchannel conne...
I found some GLC-T's on CDW's website for lot less. How big of a deal it is if I don't use the Cisco GLC-T's which are double in price? Any experiences with the compatible GLC-T's?
I thought I had this all working, not sure why my DMZ comptuers cant ping the DHCP server (192.168.10.2 CPLserver)Also my management vlan cant ping my DHCP. Can someone help me out?I need the DMZ to communicate only with the CPLserverI need managemen...
Hi,In our company 3nos Cisco 3750 (WS-C3750-48P) access switch in stake mode. All port are assigned with voice and data Vlan also Avaya IP connected with this switches. From last few days tow port 2/0/7 and 2/0/8 is showing amber and status is showin...
Resolved! 2960S PoE and Phone issues
I have recently replaced some Catalyst 3550's with Catalyst 2960s PoE 48 port switches. Since the replacement I have had some issues with phones that will not have a dial tone. They are powered and the network config shows the correct configuration. ...
Resolved! Spanning-tree changes
This is appearing all over my network and I cannot fingure why. There are PC's plugged into the ports that are giving these events. When this first started happening my whole network was shutting down so I have went through the last two days adding "...
Resolved! 877 DNS problems
Hello,A cisco noob here. At home I have a small test lab with a 877, this 877 is connectect with the fa0 to my service provider router. I want to configure a DNS server, but when I do I can ping to a DNS name from my 877 but nog from my client. I hop...
Hello, I would like to split up the MST into 2 instances, one for my datacenter and the other one to the rest of my lan. I want to limitate STP movement in my DC.In my DC, I have a Catalyst 4510E, Nexus 5010 and a few other switches (2960G)... Do I ...
Resolved! Router and Switch help!!
Hi I am a networking student in my first year and i have to build a network using packet tracerI have the network built and one networks ip address is 192.168.1.0 with 18 computers and then i have another network 192.168.2.0 and within each network i...
I've just created a local user on router but whoever uses that account I would like them only have access to show commands and that's all no other commands. Can someone please guide me on how to accomplish this?Thanks!
Hi,When I type #sh log it shows events happened to the switch. I plan on setting up a syslog server and would like the log events to be passed on it's own vlan. For example: want log events data be passed on vlan 20 and the syslog server connec...
Resolved! Rapid Spanning Tree inconsistent?
Hi,I have two switches claiming to be the root bridge for the same vlans. The 3750-X stack was configured to be the root for vlans present and the 2960S was brought online over the weekend to replace another one. This is the command I used to attempt...
Resolved! 2921 SRST
I recently swapped some parts between 2921s to troubleshoot issues. It seems I no longer have the permanent license code that was on one of my 2921s! I know one had a permanent CME/srst feature license on it. Where is that informa...
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