Switching

HI,I am facing an issue in LAN. I have got 2 core switches and 52 access switches. We i doa continous ping i am getting request time out, and at that time i cannot access the switch. So the users connected to that switches are affected. Its only happ...

It is possible to collect CAM table from HVIC-4ESW card from router via snmp ?TU

Hi experts,I got critical issue since my Metro-e trunk unable to be backup with ISDN. The issue is that, when the Metro-e trunk is down, the ISDN is not triggered since the fastethernet port at router still in UP status, which unable to force the ISD...

Hello, I'm trying to figure out if uplinkfast will have any positive effects on my network(stp reconvergence) if we already weight our vlans across two core routers? See the visio jpg for a visual.From my understanding, uplinkfast allows the protocol...

Hi all,i have fw logs 302013: Built outbound TCP connection 190313 for outside:10.24.31.80/445 (10.24. 31.80/445) to inside:10.253.2...

Hello all...Quick question. I have a Cisco 2950T switch that I have connected to an HP 1800 24 port switch. The link is configured as a trunk port that carries 2 Vlans. The question is when the Cisco switch is configured with the switchport trunk ...

Without getting too detailed, I have a 6509 with a 48port 10/100/1000 GigE card installed. 7 ports have major ping and comms drops to them daily from 10:00am to 11:00am. Through all troubleshooting and cable swapping, etc... the trouble has remained ...

Hi all, im in process of moving my clients off vlan 1 to new vlans, the switches are also in a new management vlan, can I remove vlan 1 from the uplinks ?

Hi All.I have a server with an IP of 192.168.1.1 and I have a Cisco Catalyst 1900 switch with an IP of 192.168.1.2. The server goes into the second port of the server.Now, the first port of the server has a router attached to it with a default gatew...

I have a question on how this works.switch(config)#vlan access-map CISCO<----- This sets the map name to Ciscoswitch(config-access-map)#match ip address dog<------ This sets the map to match the ACL named dogswitch(config-access-map)#action forward...

I am trying to determine if the unicast storms I am getting syslogs on are legit. I want to have snmp traps sent to me at the beginning and the end of the storm to determine if this is just a temporary spike in traffic. I can't seen to get the traps ...

Hi all, Im very new to configuring networking equipment (only been working with it for about 8 months) and I have been given a cisco 6509 with the fwsm to configure. The problem is I cant get it to work properly and was wondering if there was anywher...

Hi all, we have been having major issues on our network where 1 server on vlan 2 can ping a pc on vlan 3, but another server on vlan 2 cannot ping the same pc, but it it can ping everything else in the pc subnet fine. the pc's and servers were reboot...

We are using dynamic arp inspection on our 3750 switch infrastructure to make sure that the devices connected to the switches are making valid ARP requests. We don't really mind what MAC addresses the devices use, but it is very important that they o...

Alright, I just don't understand Cisco port forwarding. I have a 2610 with a NM-1E and I want to setup port forwarding. I have the router configured and it works great, but now I need some ports configured.The way things worked on my old router, I ha...