Switching

Hi experts,We have a client and we provide VOD services to them. They have a complex switching network. We only have read-only access to three of them. Anyway so they are experiencing intermittent blackout issue on their STBs. We don't think there is...

Hi!It is well known that the MST boundary switch replicates the IST BPDU (instance 0 BPDU) on all VLANs to send them to a PVST+ neighbor. The MST switch does this because PVST+ switch _expects_ to receive a BPDU on every VLAN.The question is: Does th...

I have a cisco 3560 (Cisco IOS Software, C3560 Software (C3560-IPBASEK9-M), Version 12.2(55)SE, RELEASE SOFTWARE (fc2)) which continues to reboot every 2 minutes.  It reboots so quick, it is hard for me to connect and gain any additional information....

I am confortable to recover usual password recovery with cisco butLets say I have the no service password-recovery  on a 3560,I know if I want to restore the password it will erase all config,but what is the procedure to do itm, holding the mode butt...

Dear Friends,i was just looking at the following diagram (attached file).. according to my calculation the link which should be blocked is Fa0/2 on switch 1 becoz when finding DP for the switch it is coming via switch2--> switch 4--> switch3 which ma...

I have a rather complicated design I am using that involves L2TPv3.I have about 200 Cisco 1921 routers that will originate an L2TPv3 tunnel.  These tunnels will terminate on a pair of Cisco ASR1001s.First, I don't believe there is a way to do this in...

Hi, Suddenly many user can't access to severs by remote desktop, even if they are connected by cable to the network. The problem began yesterday.what I don't understand is why a few user can access without problem.all the user received ip address by ...

I have a large number of SVI's on my distribution switches & I'd like to ensure they are being packet switched using cef.The MSFC in use houses a PFC2 daugther board which can only accomodate up to 16 HSRP group instances before routing overheads kic...

Hello!We have two CISCO Catalyst Express 500 switches with some ports in "access" mode, and some ports in "trunk" mode. However, you cannot configure the switches directly ( i.e. IOS CLI ), you have to use the webUI or CISCO Configuration Assistant -...

HiI have a mixture of switches in our network -  3750s (wireless controller), 2950s, 2960s, 3560s. We purchased the monitoring software but I have to upload the MIBs before I will be able to get any data from the devices. For a start, I'd like to mon...

Hello,We ran into a problem today after upgrading our 6506-E switchses to VSS with our multicast packets being dropped  and I can not figure out why.  Need help.Yesterday we were able to to send 32K multicast packets with no issues (yes it gets fragm...

me gustaria saber si las interfaces Gigastack GBIB WS-X3500-XL son soportadas por el switch Catalyst 3560E y si no lo es, cual podria usar, mi objetivo es conecatarlo au switch catalyst 3500Gracias de antemano por la ayuda

We're connecting our network to a 3rd party network and have agreed with the 3rd party to send our routes to them using RIPv2Our network currently uses EIGRP so we'll need to enable RIPv2 on the 6509 which will be connecting to the 3rd party.To ensur...

i am trying to create an ACL to block Gtalk on one swithc port only for a single user , below is show version of the switch and switch port configurations Cisco IOS Software, C3560 Software (C3560-ADVIPSERVICESK9-M), Version 12.2(46)SE, RELEASE SOFTW...