Switching

Hello,I am attempting to add and Catalyst 3750 - 12 port Gigabit switch to an existing stack of 3750 48 port switches (non-X fabric). I am not sure how to proceed. These are the two questions/thoughts I have. Please share any additional perspective I...

[CORE] ----------> [IBM BC Cisco switchs]--------->[Bladeservers G0/1-14]--------->[ESXi/vmware]           I configured a RSPAN in our core switch to sniff VoIP traffic for a recorder. That vlan is passed from the Core to the IBM BC Switches and the ...

Hi I have picked up a project started by someone else.  Basically we have a new fibre ST connection that has just been installed for extension in the office building. This is connected by an ST connection but not connected to our switch. I need to fi...

Hi Friends,I have purhased one WS-C4510R+E  switch with the supervisor engine WS-X45-SUP7-E .Now my question is which image it will support to run this engine whereas cisco guys have suggested S45UK9-32-1502SG image base.Please solve my problem.Thank...

We are trying to upgrade the IOS on one of our 6509 switches. We have two 720 10GE supervisors running in SSO. Our procedure is reload the standby supervisor with the new IOS. We understand that you can only use one console connection when in RPR mod...

hi ,if i type ip route 1.1.1.1  255.255.255.0 2.2.2.2ip route 1.1.1.1  255.255.255.0 null0ip route 0.0.0.0 0.0.0.0 9.9.9.9========================if i typed the same route with two netxt hop , one to null0 and the other to next hop ip Q1what is the b...

Scenario:  Two buildings connected with a private leased fiber line, so it does operate as a LAN.  There are several subnets and everyone at both buildings needs to be able to access all subnets.  However the physical machines on those subnets are bu...

Hi! I have a cisco 4948 with 12.2(54)SG1. sh ip traffic shows me a necessary information as recived\sent ip\tcp\udp\icmp\arp traffic. How can i take this info by snmp?

I have a 4510 as my core switch. I have noticed during trace routes that sometimes an SVI might be involved in the routing that is not in the network path. For example, I may be on network with the SVI of 192.168.1.1 and I am pinging a system on anot...

hi ,i have a router R1 that has a static route to the netwokxx.xx.76.0/22 and it has  a route and only one route in the routing table about  ip route xx.xx.76.0/22    z.z.z.zi removed this route from route and wrote it the same but will 4 lines /24...

Hi,I'm trying to configure LLDP-MED between a Cat45010+E Sup7 (IOS 15.1) and Polycom CX600 Lync phones.  I have created and applied the correct network policy for the interfaces.From these sites, I need to send all the correct TLVs or the phones won'...

Hallo zusammen,wenn ich mit Hilfe des Cisco Network Assistant versuche Port Security zukonfigurieren, erhalte ich verschiedene Fehlermeldungen:"Port Security is supported only on static access and trunk interfaces" "None of the interfaces are eligibl...

Hi there,I've got a problem with DHCP running on a cisco 1900 series router, 1921 to be precise. The Data VLAN works perfectly, i configured a ip helpder addressand its working. Problem tough is VLAN 20. This is the voice vlan. As u can see in the co...

I have now had a couple of 3750 switches that have been part of a stack that do not clear out the stack information. When I come to reconfigure them in stand alone mode they still have old switch information in them. Typically the switch would normal...