Switching

Hi everyone: I have problem about IGMP snooping on v3 report.In this documents, http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/multicast/configuration/guide/igmp_snoop.htmlCisco said:The IGMPv3 snooping implementation on Cisco NX-OS...

Hi Can anybody give a detial why and which is better for 10 gig backbone network  with 6500 switch or nexus switch .customer want detail with some documented .                  

I am refreshing two 3550x switches with new 3750x switches. these swicthes are in two DC and distance between these DC is more then half miles.correntely 3550 swicthes are connected with Single mode fiber and SC connector. Can i use 3750x with C3KX-N...

Hi, my router is hit by Fake traffic from IP 10.10.101.33i can see it in my accounting packets.10.10.101.33 doesnt exist in my LAN, its not a valid IP.sh ip route 10.10.101.33% Subnet not in table Default route goes to Cisco ASA.How can i find out MA...

vpdn enable!vpdn-group ciscoaccept-dialin  protocol l2tp  virtual-template 2lcp renegotiation alwaysl2tp tunnel hello 0no l2tp tunnel authenticationl2tp tunnel password 0 cisco!vpdn-group inhand! Default L2TP VPDN groupaccept-dialin  protocol l2tp  v...

Hello,Today switch underwent power restart at customer site. Sh ver says system uptime is 1 hour but sh log doesn't have coldstart log.Any ideas please?LekSent from Cisco Technical Support iPhone App

                   Hello,I am looking for any assistance with an issue I am having.  Within my network, I have two NetApp enclaves that replicate with each other.  These hang off of separate switches, one at our primary site and one off of our second...

Hi everybodyI just passed my CCNP tshoot exam on 2nd attempt.  It took me 1.5 years to get it (  My job is quite different, I work with electronics so what I do at work and what i do at home( studying for CCNP) is different)I want to thanks Peter Pal...

Hi guys,This is my first time configuring VLAN on Cisco switch.My main purpose of configuring VLAN is to break broadcast domain inside a switch into 2 separate VLAN. I have created the 2 VLAN and assign the port to it. However I don't know how to rem...

Hey - I want to enable some real QoS at a new site as opposed to auto-qos. The site is going to have a 1002 router and 2, 3750X switches. The phone are going to be Nortel. I'm thinking of enabling VLAN-based QoS. I'm referring to a Nortel document fo...

Hello, I've started seeing this message "%ACLLOG-4-ACLLOG_MAXFLOW_REACHED: Maximum limit 100000 reached for number of flows" on a Nexus 7010. The NX-OS Systems Messages Reference only offers this for explanation "The maximum flow has been reached in ...

Hi All,I am trying to work out how to setup a port channel between a SG200 and 3750 and am having problems. What do I need to do on the SG200 I have added the port into the lag but the port will not come up.If anyone knows what I am missing that woul...

Hello ExpertsI have 3 stacked 3750 Switches (WS-C3750-48TS, IOS c3750-ipservicesk9-mz.122-53.SE1) and I've started getting alerts that some of the connected servers are down, and a short time later that they are Up.  The alerts I get are not for all ...

Hello,We are observing some weird output on our DHCP bindings.  For some reason when I view DHCP bindings on our main switch it prepends each MAC address of the client with a 01 in front of it.  However if I view the MAC address table it uses the sta...