Switching

I've been playing around with multicasting with the 3750G switch and I've notice some packet loss with multicast streams. So the basic setup is as follows: Host1 (in VLAN1) <-----------> [ 3750G Switch with IP services ] <------------------->Host2 (...

Team, Any one of you have tried to configure dhcp server on WS-C2960+24PC-S switch. 

Dear All, I have a wireless guest vlan.. we do not want it to communicate with other vlan's. how to block this communication. can anyone please advice the configuration steps

Greetings, Have anyone ran into this problem?  I established a fiber trunk from switch to switch. I can ping switch to switch but not the end users.  However, when I create a trunk through normal Cat5 everything works fine!  Any ideas? Thanks.

I have a network at work made of cisco swithes and routers. The problem is that employees connects the fritz box to get wireless access to the network which results in lot of issues in the network. Is there a way to block this device from establishin...

Need my thinking verified...If I dual home a device directly into 2 5000 switches in a vpc cluster, I can run active active LAG uplinks, right? But how about if I have that same device uplinked to 2 FEXs which are then uplinked to the same 2 5000 swi...

Hi, I need your help in understanding fiber module on 3850 switch. I have recently added fiber module on 3850 switch and I can see below ports visible after adding module. Cant I use all four TenGig interfaces as uplink ports for 10Gig connectivity ...

Hi All, As Nexus 7K platform doesn't support multihop BFD so i have to use faster the BGP hello and hold timers. When i try to configure BGP timers to "timers 2 6" (hold time = 6), i get a warning message as below "% ISSU will be affected if hold ti...

Hi Team, I am reeving this error in switch. please explain. %SMN_HBL_LICENSE-1-EXCESS_AP_LIC: MEMBER: 7 stack-mgr %STACKMGR-1-STACK_LINK_CHANGE: MEMBER: 6 stack-mgr:  

Hello Everyone We in DC we have a primary MPLS circuit and a less expensive point to point VPLS type circuit.  We identify all of our replication traffic via acls and route accross the point to point.  Most ACLs are pretty granular which have source...

Hi all,my customer has a lot of WS-C2960XR-24PS-I  (15.0(2)EX4) 24 and 48 Port switches, some are in a stacks, others not. All have 2 Powersupplies.(each 640 Watt)Now he notice this message every 5 minutes, but not on all switches.Looking at the swit...

#show users Idle user will not end, tried clear line vty and disconnect ssh vty  and no go here is the output of the show process cpu  PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process 152 1332529 11639 114488 82.50% 81.34% 81.20% 1 SSH Proc...

Hello Dears, On the Cisco Catalyst 2960-XR models that support 10 Gigabit SFP+ modules (per exemplo: 2960XR-24TD-I), the 2 uplink SFP+ ports are dual speed, in other words, the ports support transmission rates at 1G/10G? Thank you! Regards, Allys...

Hello, We currently have a stack of 4 2960x series switches and we are expanding to the other side of our building. So we purchased another 2960 switch to put on the other end. I would like to copy the configuration from member 2 of the stack and pl...

I have a c1941 isr that restarts into rommon mode upon every restart.  Verified that the config register is set for 0x2102.  When it boots to rommon.  I've set the configuration register as 2102 in rommon mode(confreg 0x2102)then loaded the active(an...