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Hi All, I have a running setup having 2 Cisco 2960s 24 TS switch with Stack configuration. Now I want to add one more same Cisco switch. My questions are:-1) How can I do this...(Should follow the same process as I did before. Please suggest.2) Could...

Hello, every know that a basic method against DHCP Spoofing is DHCP snooping. But the orther way to protect from that is - the DHCP server must create a static ARP entry that cannot be updated by a dynamic ARP packet. Can someone explain me that ? If...

from88 by Level 4
  • 6917 Views
  • 5 replies
  • 0 Helpful votes

Hello,I recently acquired a 2960 (WS-C2960-24TT-L) 24-port switch to power a cabinet I'm about to lease. I have little IOS experience other than helping to manage a few ASA's more than 3 years ago, and would like to configure this switch to work as s...

bcaricofe by Level 1
  • 1696 Views
  • 9 replies
  • 0 Helpful votes

hello,Ios of my switch was damaged. when it start and falls into rommon mode, I can´t  access to the flash.this is what happens when start:The password-recovery mechanism is enabled.The "MAC_ADDR" environment variable is not set.Initializing Flash......

reinierbg by Level 1
  • 5790 Views
  • 7 replies
  • 0 Helpful votes

I created a lab and I have a few issues. One with a layer 3 switch and another with a ASA 5550. Thanks in advanced.1. Layer 3 switch: I have created multiple Vlans and I am able to route between them. I can ping the switch IP but not the default gate...

Hello,I have separate cisco 3750 switches one is a 48 port and one is a 24 port switch.I have the 48 port switch setup on a vlan.interface Vlan95 ip address 192.168.95.1 255.255.255.0!then i have another 24 port switch setup asinterface Vlan55 descri...

pkroetsch by Level 1
  • 1150 Views
  • 15 replies
  • 0 Helpful votes

Good afternoon,Probably this is a trivial question but I have not found any response to it. What I would like is to set my cisco 877W rotuer up in order to act as a DNS server which forwards DNS queries following these simple rules:     1.- If the na...

bprietoclv by Level 1
  • 11314 Views
  • 6 replies
  • 0 Helpful votes

Hello,I have a customer who wishes to implment QoS on a 2821 router with ios 12.4(15).T8.  They want to prioritize outbound and inbound Citrix traffic up to 128 kbps out the Internet interface.  I have ben given the Citrix server IP address and have ...

Hi all,I bought 02 modules GLC-GE-100FX (these module is used for gigabit uplink port - It convert speed from 1000Mbps to 100Mbps). I tested them with connecting 02 switch Cisco WS-C2960-24TC-L (first) and 02 switch WS-C3560G-24TS-S (second testing) ...

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