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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

Hi to all, i have the following expect script: proc save_config_to_nvram {} {      send "copy running-config startup-config\r"      expect {        -re "OK" {return 1}# in case this is the first time the running configuration ever saved to#NVRAM     ...

Good afternoon,I have a 2811 router that has a lan (not vlan) set up for use at a certain location.  I recently added an NM-16ESW so I could create a vlan.  The regular lan and the new vlan both exist on the same router.  It routes across the WAN suc...

bsciarra1 by Level 1
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  • 8 replies
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Hi all experts.If i have 2 routers configured on LAN with IPv6. Both of them are configured as ipv6 routers (ipv6 unicast-routing). So what will be the criteria for host to select the default router ? is it usually the older RA they have received or ...

Jonn cos by Level 4
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  • 2 replies
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We have a 3725 that had a fan failure.  Replace the failed fan and booted the router.  Everything looked good.  Sh Environment showed Fan status as normal. But, after a minute, started getting Fan Failed messages:%FAN-3-FAN_FAILED: Fans had a rotatio...

dtom by Level 1
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  • 2 replies
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We have a bad fan assy for a 3725 router. I'm in the process of ordering a replacement for it however I can only find the one for the 3745 router or CISCO3745FANASSY=Does anyone know if this is interchangeable in the 3725?TIABrian

Hi,I have high CPU (100%) occationally on a Catalyst 6500 running disk0:s72033-adventerprisek9_wan-vz.122-33.SXH7.bin.Normal load is around 25%.When experiencing 100% last time I found the following - output from sh proc cpu command taken shortly aft...

Hi,I have below cards on 7609 Router...I have not enabled mls qos..will i be able to use normal Qos or i need to PFC QoS?show module  WS-X6582-2PA    WS-X6148A-GE-TX      WS-SUP32-GE-3B    Daughter cards,WS-F6K-PFC3BWS-F6K-MSFC2A

cssam by Level 1
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  • 1 replies
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I have two 6509's that are configured for VSS. The 6509's act as Router/Switch, have servers on my backup network that are physically connected to this VSS. However, I am having problem being able to ping SOME of these servers, I can arp but not ping...

jcerero77 by Level 1
  • 31392 Views
  • 14 replies
  • 0 Helpful votes

hi!i have a vpn problem with nat.some servers in our network have an external IP address, and they are nat'd like:"ip nat inside source static 172.17.0.66 outside_address_A"vpn tunnel is working ok for the stations that doesn't have an external addre...

hi all,need to know thisi have layer 3 switch running different vlans and it has no ip protocol running.should i  issue ip routing command there or not?this switch has connection to another switch which is also layer 3 and that switch also has no ip ...

mahesh18 by Level 6
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  • 21 replies
  • 0 Helpful votes

Hi,I would like to change our switch "core" (3com 5500G) by Cisco switch.We have 700 devices in the LAN and it would be necessary that it has layer 3 capabilities.What Cisco switch do you recommend me?.If you need more information, tell me.Regards,Ja...

HiI have stange issue on my network.I can ping my closet switch from distribution switch without any problems and vice versa. All are on Layer 3 boundry.Distro switches s is tied into the coreCloset switches are configured as stub and Distro switch i...

show arp vs show mac-address-table I am using GNS3. For switch, I am attaching switch 16 module for simulation. For my router and switch (router with switch module on it) both works commands "show arp" and "show mac-address-table". From router, "show...