Switching

We've configured a head-end layer 3 switch and, downstream from it, an access switch (CatOS). The 2 ints (2/4 & 3/4) on the head-end switch are in an Etherchannel and the 2 corresponding ports on the access switch (2/4 & 3/4) form a trunk. The 2/4 in...

Hi,Can someone please explain what's the practice of keeping switches vtp modes as server client or to use transparent mode in SMEs.Sent from Cisco Technical Support iPhone App

I have a c2951isr at a main site and a branch site that has a c1900isr.  they are linked via a site ipsec vpn.  the main t.s. is behind the 2951.  When nodes behind the 1900 try to rdc to the t.s. they timeout and cannot link.  The external address t...

Hi,Please advise precautionary steps if any for upgrading cat OS on 6509 to IOS.Sent from Cisco Technical Support iPhone App

Is AutoSmart Port independent of SmartInstall?  What I mean is you can run AutoSmart Port and not run SmartInstall, correct?

We have a POC environment with a Nexus 7K, NX-OS 5.1.(3), with two downstream switches. A multicast source is on one switch and a receiver on the other.I've enabled an IGMP querier (defaults to IGMPv3 on Nexus) on the particular VLAN on Nexus, and th...

Hello,I have a ca6500 that has a connection to a Nexus 7000.I'm trunking one single VLAN from the 6500 to the Nexus 7000.  From the Nexus 7000 I'm trunking that VLAN to a wireless controller.  On the wireless controller I built an interface vlan on t...

Is there a recommendation or preference to performing persistant  packet captures on the Cat6509 and Cat4948 platforms in regards to VACLs  vs. SPANs?We're interesting in capturing ALL TRAFFIC on some heavily utilized switches.From a performance pers...

http://www.cisco.com/en/US/products/hw/switches/ps628/products_password_recovery09186a0080094184.shtmlper this link it seems that there is an error ...could be me?step 11 rewrites the same config file back into memory and makes it the running-config ...

Any support for the interface command "ipv6 traffic-filter" on 3550's?  I have 12.2(44)SE6 and that command doesn't seem to be available.thanksmike

I have four 3560 (WS-C3560G-48PS-S) switches connected as ring through radio (wireless), and I need the proper configuration in configuring one link per switch as a standby link (redundant), drawing attached.ThanksAli

Hi ,Can someone please explain valid reasons for using PVST and Mst.Please give some reasons which are not only focused on fast convergence or easy management .Thanks.Sent from Cisco Technical Support iPhone App

Hi all,I have to Nexus 5020's connected to our core switches over 10G fiber. I have the management interface correctly setup and working and have successfully configured the peer vpc between the two Nexus switches. I can ping everthing i need to and ...