Switching

Just got a pair of Nexus 7710's looks like I didn't order enough power supplies, build my BOM (build of materials) on power calculator, and want to know if someone can explain the difference in (Power Supply Redundancy Mode vs. Full Redundancy Mode)....

Dear Community members, Forgive me if this question is stupid, i would like to know if it is possible to configure VSS for two Cat6500 switches without FWSM ? Thank you.

We have a pair of Cisco Catalyst 3560 switches that are connected using a leased (from the local telco) gigabit single-mode fiber.  It is about 2 miles line of sight between the switches but I don't know how long the actual cable run is.  This line i...

We have decommissioned 2 of our DNS servers. Unfortunately we have one network device that only points to these DNS servers and the settings cannot be modified. It was setup by a third party which no longer exists and passwords are unknown. The cost ...

Hi All, I have an issue with configuring RSPAN. Can't seem to see what the problem is. Core: 3750-E Distribution switch.Client Access: 2960-48PBoth running VLAN 300 with IPs on 192.168.240.x/24 range. The two switches can see each other on VLAN 300. ...

 Ref: the above diagram. I have a GigE fibre between 2 Cisco 3650 switches. Both switches have the same numbered VLAN configured (which may be my first mistake?), and all switch ports are of type Access.Each switch VLAN also has another port enabled ...

Hi, We have a WS-C3650-24PS-L Lan base switch. Is it possible to do Inter-Vlan routing without using a router on a stick? Regards.

Hi All We are trying to span to a virtual NAC but i am not sure if this is possible.One suggestion is to create a vlan in our switch that has the trunks to thevirtual chassis and allow access to thatHowever i have just found this ..Remote SPANRSPAN s...

Hello, Basically 2 months into use with this an error message comes up saying Mainboard Hardware Authentication Failure and will not load any IOS and I cant even get into recovery mode by holding in the mode button on the switch.  It looks to me like...

any good documentation tcp/ip? I haven't been able to find good one :). please if you know good documentation to learn tcp/ip in depth.

Dear, I am struggling with a certain project where a kerio winroute software firewall needs to be replaced by a hardware router/firewall.The purchased hardware is a 2901 with K9 firewalling license pack (no experience on cisco routers).It is just rou...

Hello, We at SSIPL Retail Ltd are using 3750-48-TS in stack as a core switch. Since last few days the CP utilization has become high up to 80%Please provide the resolution.Ajit Kumar9810689675ajit.shrivastava@ssipl.in

I'm trying to get my DNS working coirrectly across a site-to-site VPN connection.My initial problem is I dont seem to cleanly have DNS queries for my VPN LAN go through the tunnel whilst all other queries are resolved out to the web.I have an improve...

Hello, can anybody confirm whether or not Cisco still supports IOS SLB (Server Load Balancing) on current devices (i.e. switches/routers that can be ordered still)?The feature used to be supported on the higher switches (Cat6k) and 7x00 routers, but ...