Switching

hi ,after insertion of SFP module in  the Switch i have messages bellow and the switch hangs after couple of minutes it restarts *Mar  1 01:19:58.729: %SYS-3-CPUHOG: Task is running for (2098)msecs, more than (2000)msecs (13/11),process = hpm main pr...

Hello,I've a Cisco 1941W router which is DHCP server for data-VLANs and uses ip-helper for voice-VLANs.Wired IP Phones (VLAN 100) gets IP successfully, but WiFi IP Phones (VLAN 101) doesn't.Here is the trace of DHCP debug for VLAN101 which is NOK:001...

hi,I have a Nexus 3064 which is not recording source MAC addresses after a successful ARP. The switch is then flooding the entire vlan with unicast traffic.The config is a boring single VLAN. One port (48) is going to a 6509. Not as a trunk, just ext...

Hello experts,If I have a host on the network config with /24, can I config ACLs for this host with /27 or /28?Exp:ip acc-list ext 200perm icmp host 192.168.1.101 255.255.255.248 anyperm tcp 192.168.1.101  255.255.255.248 host 172.16.100.1 = 443perm ...

Hi,I need some help as i am new to IPSEC VPN.Below is my setup:I have Vlan 1 on my router which has been assigned the public IP and Vlan 10 which has been assign 20.20.20.x which connects to my server inside.I have configured the IPSEC VPN and the VP...

Hi we got a requirnment for 2 number of  X2-10GB-SR line card WS-X45-SUP6-E in WS-C4506-E  .Customer want to connect with Fujitsu primergy server . they have 10 gig module so i guess it will support with that.Also a doubt this X2-10GB-SR we can direc...

        hello folks - I'm about to perform an upgrade on two Nexus 7010 switches per above. Can I directly upgrade or, do I need to go from version 4 to 5.x and then to 6??Thank you in advance.SA7001# dir bootflash:        518     Jan 10 00:37:51 200...

Problem with Cisco 2801I can connect to the Cisco 2801 with console cable and this is the log file % Password:  timeout expired! Router2801 con0 is now available What's the problem with my router?

hi ,                 i am faiz ,i want to netflow in my cisco 3560 switch and ip flow top talker but i did configure netflow and ip flow top talker but its not working.plz how to configre netflow to give inforation to my netflow manager and ip flow ...

         If i am disabling keepalive in switch port , is it  create any issue on network.below issue we are facing.... connectvity :- 2 access layer switch connecting to 1 normal servererror : below loggs i m  getting on one of the switch and both sw...

hi guysi am having issue with new IOS i am trying to upload.I have two stack switch running with c3750-ipservicesk9-mz.122-37.SE and trying upload new IOS c3750-ipservicesk9-mz.122-55.SE5.bin.both switch does not have enough Flash to store both IOS s...