Switching

Hello again.I had a question for the community that maybe someone can assist with. We have a 6509 that acts as a DHCP server for all devices. Recently it appears that printers that are set to DHCP have been losing their assigned IP's way before the l...

hi! I've a few questions to verify: 1) Is the IOS and boot flash stored in the SUP or chassis.2) If there's a hardware failure below:     Chassis failure -  will it work by simply slot in the existing SUP and modules into the new chassis?     Sup fai...

Hi folks.  I have a business network of 40 users and about 100 hosts (we have lots of PCs).  I'm the full-time admin.  Currently we have at least two competing applications requiring NAT of incoming SSL traffic through the firewall.  One is the typic...

Hi Guys,I am a admin the VLANs of the company. The issue is that in the 20 VLAN is plenty of ips. VLAN 20 - 10.0.1.0/26VLAN 21 - 10.0.1.64/26VLAN 22- 10.0.1.128/26I have checked that in the 10.0.1.0/24 segment only use 192 from 256 availabilities. Th...

 Hi All, Please see the attached diagram.I have a customer whose AAA server is behind a firewall. It will only accept RADIUS packets from one source address - 192.168.46.1In order to facilitate this, I have added a router to statically NAT the RADIUS...

I have 2 Cisco SG300-52P switches.   Earlier this week, one of them started dropping connections and POE was not working on a couple of devices...  I came in this morning to restart them when no one else was around. After restarting them, the trouble...

Hi,Is it possible to connect a 10 GIG SFP module(multimode) in the below 4503 switch. Is it compatible with the below switch... cisco WS-C4503-E (MPC8245) processor (revision 4) with 262144K bytes of memory.Processor board ID SPE120700HUMPC8245 CPU a...

rommon 2 >dir bootflash:  File Size (Bytes)             File Name  ---------------------------------------      33363113                 cat4500e-entservicesk9-mz.151-1.SG1.bin      24842288                 cat4500e-entservices-mz.122-54.SG.bin   Tot...

Hello. I'm new to ASR 903 hardware. Please, could someone explain and give simple example on how to make some interfeces act as a switchport access and some as trunk?I need to connect two other routers through AS903, using port-channel.

Hi Guys, I'm currently researching the possibility of the implementation of OSPF in our core network. First, let me share a topology.  It basically concerns traffic from the subnets connected to firewall cluster 1 that is going to firewall cluster 2....

To run a full-duplex , the Ethernet port must carry out an auto-detect mechanism .1)Can a switch run on a half-duplex mode?2). There are no collisions in a full-duplex ,so what happens in with the switch where each segments is it's own collision doma...

Trying to hookup two 2960XR's one 24 port one 48 port via stacking modules and when I insert the modules I get this error:   Jun 25 13:15:12.578: %ILET-1-DEVICE_AUTHENTICATION_FAIL: The FlexStack Module inserted in this switch may not have been manuf...