Switching

Hi,What is private vlan? Can someone give some scenario that when the implementation of private vlan come in place?

What should be configured on a Cisco switch when connecting to a SUN server configured to do IP Multipathing on two interfaces ?My customer configured the two connecting ports in a etherchannel but I disagree because the two technologies( IPMP and Et...

I have been working in this issue for about a day and Im stumped. Why cant I ping the router from the core switch?2600 Router Config:interface FastEthernet0/1 description To  Core Switch no ip address no ip proxy-arp duplex auto speed auto!interface ...

Can you apply spanning-tree portfast to a Port-channel or should the spanning-tree statement just go on the interfaces asscoiated with the Port-channel?

Hello,I am working on an Etherchannel issue between Cisco 3012 switches (cisco switches modules for IBM BladeCenter) and external Procurve 2810 switches.At least, as far as I can tell I am *thinking* that is an Etherchannel issue... but I am all ears...

It seems that Web-auth and auth-proxy are not supported on 3750-x (I am running 12.2(55)SE IP-Services IOS).CONFIG 1)!ip device trackingip auth-proxy auth-proxy-banner httpip auth-proxy name HTTPPROXY http inactivity-time 60!interface GigabitEthernet...

Hi, if I configure the allowed vlans on a trunk, does the switch operate the filter on inbound traffic or on outboud traffic only ?Does the traffic of not-allowed vlan reach the switch anyway ?Does the switch partecipate on spanning-tree of not allow...

Hi all,I would like to understand what is the difference between CB-WFQ and HFQ. Cisco says that HFQ uses Hierarchical Qos but I don't see any difference in the configuration between CB-WFQ and HFQ.Could someone explain me this difference (maybe with...

This is an example of the command show adjacency:Switch#show adjacencyProtocol                   Interface               Address   IP                   FastEthernet2/3       172.20.52.1(3045)   IP                   FastEthernet2/3       172.20.52.22(...

Hi,  I'm having a problem with Policy Based Routing on a 6509 with a FWSM installed.  The network is configured as follows.  I have 2 x 6509's SW1 and SW2  I have a server DC 1 connected to a vlan 10 connected to the 6509's behind the FWSM subnet 10....

Hi,the frequently Dense Mode flooding behavior is not optimal in most scenarios, so the recommendation is to use Sparse or Sparse-Dense with AutoRP in almost all cases.But if there is only one Routing hop from the Multicast source to the receivers (a...