Switching

Hi Everyone, in our Network setup day to day job includes trunking the vlans. it includes the configuring the L2 vlan if the vlan is not present on the switches and then allow on Uplinks and other trunk ports ( VM Cluster ). all our layer 3 vlans are...

Hi All, We have two DAD links configured on our Cisco 9500 StackWise Virtual switches. Both the DAD links originally used GLC-SX-MMD over MM fibre. We found that any changes to the DAD link would bring down the DAD link and required a reload of the s...

HI everyone,Hope you are all doing well. I have one scenario here... ##########################################Core switch (with VTP Domain server) --  Switch 1 -- switch 2                                                                    +         ...

i unable to do ipconfig /renew and uuable ping to cisco.com   

Dear all    I  a newbie and I need a desperate help... pls anyone can help me really appreciated   I have a router Cisco887 I have created two Vlans "vlan10 and vlan20" my vlan 10 is connected to my ASA5505 firewall via dhcp and works great other han...

Bottom line is I struggle with ACLs and I feel like there should be a simpler way to do than what I currently have implemented.  We're providing network/wireless/internet resources to another "business" that is loosely associated with us. Obviously t...

Dear Members; I have to give a calculation to someone, can someone please confirm this, we require only 1G uplinks: WS-C2960L-8TSLL-RF: 8x10/100/1000 Ethernet ports (No SFP Needed); 2x1G (1 port) SFP (Fiber)WS-C3750X-12S-S-RF: 12x10/100/1000 Ethernet...

What 10g industrial sfp is recommended for ie3300 switches?Can SFP-10G-BXU-I be used and will connection work if we can connect using single mode fiber patch cord, a  IE-3300-8U2X-E having SFP-10G-BXU-I= to another existing Cisco 9606R having SFP-10G...

 Please advise me as to the procedure for replacing a CMOS battery on a 3750.  I have searched for videos and documentation on this but have not found anything useful.  I'd also like to know the level of difficulty as I will be advising a customer on...

hi everyone. i faced some problem about ISR router 4461 to cat 9500 Port channel problem. 1.router 1 - router 22. switch 1- switch 2 virtual stacking Number of channel-groups in use: 6Number of aggregators: 6Group Port-channel Protocol Ports------+--...

we have cisco core and access switch in networknot able to ping single ip address of server from outside network however rest of ip address able to pingChecke the nating and properly configured.checked vlans and port and added same.checked the server...

All,I'm working with an existing Nexus 7K BGP config running BFD and an operational peer to another Nexus 7k on this network.I'm adding a Cisco ASR 1001 into the BGP peering and all appears to be fine but I need some direction on the BFD authenticati...