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...
Hello,Can any1 tell me if this is a s/w or h/w issue? Find attached the tech-support as well 1245794: Sep 8 16:14:48.943 EEST: %ALIGN-3-SPURIOUS: Spurious memory access made at 0x42232124z reading 0x601245795: Sep 8 16:14:48.943 EEST: %ALIGN-3-TRA...
Hi, In a case where VTP is not supported like on a ME-3400, I would like to know if VLANs that are only local to a switch are transported on trunk interface. If local VLAN are part of the trunk, does the downstream switch participate in the spannig t...
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 ...
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 ...
Hi there,I have been experiencing a problem recently where multicast traffic is being interrupted for up to a half second when IGMP membership queries are sent from the router. I noticed this problem only after introducing a distribution switch into...
Hi All,We are going to setup a new core network. Is it necessary to enable udld on the gigabit ports? Isn't spanning tree taking over when the gig port is going down.We tried to simulate this, we enabled on 3 routers spanntree and connected each of...
