Hi, everybodyRecently we ha a Nexus 7010 with a module frozen that was OIR (Online Remote and Insert) but do not work until reload the Nexus 7k.The command "show tech-support" has the following:exception information --- exception instance 64 ----Modu...
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Forum Posts
Resolved! Counterfeit SFP+
Hi,Who can be contacted if I might found fake sfp+ modules ?BRDominikSent from Cisco Technical Support Android App
HI,I have a single core switch 3750 connected to 2 asa's each having its own dedicated Internet circuit, so the asa's are not in failover mode.I have a dedicate demarc vlan to each asa and running eigrp on the 2 demarc interfaces + the asa with one p...
HelloI am a newbie to Cisco. I am trying to setup NAT with DHCP in our office on CISCO 819 router. I am having a problem with DHCP not assigning an IP on vlan1. I cannot figure out what i'm doing wrong. Below is my config and debug from DHCP. Any he...
Resolved! %STANDBY-3-DUPADDR error log
Hi,I got the Following Error log in my Core switch, need help to figure out what happend?May 13 16:25:38 MAL: %STANDBY-3-DUPADDR: Duplicate address 129.253.144.250 on Vlan20, sourced by 0000.0c07.ac14May 13 16:25:51 MAL: %DUAL-5-NBRCHANGE: IPX-EIGRP ...
We currently have 1 6509 and 3 4507's setup as layer 3 switches with trunks between them. I am working to create layer 3 connections between them to cut down on broadcast traffic. I have configured new management vlans on each one because the managem...
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...
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