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Cannot Ping

I have a setup of two L3 switches and one router. Am I missing something very fundamental here, or this is a GNS3 error? Thanks in advance for any help!I can ping from 10.99.99.3 to 10.99.99.1 and visa versa. However, I cannot ping from 10.99.99.3 to...

s.quirion by • Level 1
  • 563 Views
  • 1 replies
  • 0 Helpful votes

Resolved! Management Ports !

Hi,We are in process of deploying 3850, 4500X and 5525X in our environment and i wanted to know what benefit is received when the dedicated management port on these devices is used instead of the regular data ports.I specific would like to know -1. D...

rush2amol by • Level 1
  • 457 Views
  • 1 replies
  • 0 Helpful votes

Cisco 3524XL not booting? HELP! :(

The switch is not booting. I'm in "switch" modeI've done the following:Pressed the "mode" button until port 1 led is offtyped in flash_inittyped in load_helperdir flash:changed the config.text to config.oldas soon as I type in "boot" i get a message ...

Resolved! Fiber cores

Hi all, If i need to connect 2 cisco 2960S switch over fiber with over a distance of 200m, i know if have to use GLC-SX-MM but how many cores do i need ? to be honest i dont have understanding of when we need to use how many cores ?Can someone help m...

Jonn cos by • Level 4
  • 2623 Views
  • 15 replies
  • 0 Helpful votes

Resolved! Intra-chassis redundancy

Hi,Could anyone explain me about what "Intra-chassis" redundancy means? And what would be the example scenerios? I have been studying HA for my ccnp switch exam and it covers a lot about "Inter-chassis" redundancy protocols but not this. It would be ...

zarnims by • Level 1
  • 1879 Views
  • 7 replies
  • 0 Helpful votes

Voice vlan creates trunk?

have port on 2960 set as:switchport mode accessswitchport access vlan 100switchport voice 200connected a brand new (from box) 2960 to this port.i expected all ports on the new switch to get dhcp IPs from the connecting ports vlan (like when i connect...

Resolved! Not getting IP from dhcp pool cisco 887-VA-K9

Hi all.  Can someone look at my config and explain why i am not getting an IP from the router when connected over ethernet cable.  Have tried on 2 different laptops, both just show as unidentified network.  have tried 2 ethernet cables and all 4 ethe...

Regarding HSRP issues

Hi,1) In HSRP, we will have one Active router and one standby. is it possible to have multiple standby in a single group. If so what is the advantage.2) When Active router fails and preempt enabled here, and when it regains its state, it will take ov...

Dynamic and Static NAT

Hi Everyone,It's been a few years since I've used iOS, and I know this is simple, so I'm sorry for looking like a noob.This is my goal. I have a few servers and virtual servers behind a Cisco router. That router has 2 ethernet ports, 0/0 is connected...

zackmagee by • Level 1
  • 387 Views
  • 3 replies
  • 0 Helpful votes

invalid mask?

I am configuring a Supervisor 2T with the vlan interface192.168.94.1 255.255.255..192and it is giving me the error "bad mask" (won't accept)ip classless is enable, and ip subnet-zero is a default yes?Why isn't it taking that network? isn't it valid? ...

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