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Cisco Community - Lab Series

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...

Resolved! Modular IOS Memroy usage

We recently upgraded the IOS for a 720 card in a 6509 to a modular version of the IOS. The new IOS is running at 56% memory utilization which is higher than the 30% we had with the previous version of the IOS. Does the modular IOS use more memory?

wesweber1 by • Level 1
  • 496 Views
  • 1 replies
  • 0 Helpful votes

Express 500 SPAN

I appologize if this has already been answered, but I haven't been able to find this info.Can the Express 500 be configured to monitor multiple ports at once? In the configuration examples I see that a single source port can be chosen (within CNA), b...

ping command

Hi experts,In my network I am able to ping from my one of the lan pc to external network but I am unable to do the same thing from my router int. any body can give suggestions.Regards,naidu.

Core Switch?

Hello,I currently have in my network, a 3524 as core switch. It's a fairly small network, ~60 customers (isp) on fibre/copper/dsl.I recently bought a 4503 Switch with Supervisor II+TS (yep, the small one).I'm afraid the 3524 switch (from 1897 i think...

markraves by • Level 1
  • 544 Views
  • 2 replies
  • 0 Helpful votes

Trunk Link Required for VTP/STP ?

Does VTP require that a switch-to-switch link is configured as a trunk link rather than an access link ? Or can it send its advertisements over an access (non-trunk) link ?And how about Spanning Tree Protocol (STP) ? Does it require a trunk between t...

rossua994 by • Level 1
  • 1150 Views
  • 3 replies
  • 0 Helpful votes

vpn problems

Hi all, has anyone seen this before, I can vpn into my work place from home fine, when I give access to another company, they can connect to the vpn, they get a dhcp address etc, but when they try to ping the device i gave them access to, it does not...

CRC errors

Hello all,Do CRC errors get cleared every router reboot? I would just like to verify, I see 200 crc errors on my box which has been running for 5 weeks...thx

danny9797 by • Level 1
  • 857 Views
  • 4 replies
  • 0 Helpful votes

C3750-48TS CAM size

Hi everyone!I've got stack of 9 C3750-48-TS. Some PC's have connectivity problem.For example: I see interface status connected but I don't see PC's MAC-address on this interface.When I useshow mac-address-table countcommand, I've got:Total Mac Addres...

Resolved! ssh transfer of arp access-list to 3750 hang up

I need configure remotely i.a. the list about 462 lines (2 not full "c-class" IP scopes)on the 3570 switch . Ssh protocoll transfers shorter lists well. Transfer a longer list stops usually after the 375th line. Ssh connection remains hung up in the ...

t.fiala by • Level 1
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  • 8 replies
  • 0 Helpful votes

ATM

Hi all, when we talk about atm, I see that this is used for dsl, does atm have to use a dsl connection, or can it be over serial, e1. ethernet etc, and if so how is it set ?cheersCarl

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