Switching

Hi All, Could you please tell me why would we use Two IP Addresses for an Interface - Primary and Secondary IP ? Please explain scenarios, Advantages & Limitations ? Thanks in Advance, Prasanna Kumar Desireddy

I have only Question if the HP L2 switch supported to Cisco switch layer 3 or not?

Hi Team, Goal: To bootup CSR1000v VM and be able to make REST API Calls via management interface. Current Situation: I was able to instantiate the VM and enabled the management interface. But all my REST API calls are getting a 404 Not Found response...

Need to configgure additional GS300 Switch in my existing network wia Fiber optic Pls guide

Hi Team, This is my first time to write here actually, hope this will be a good start for me in this community. Moving forward, I am using 5 Cisco SG500-28 with fw 1.4.7.6 (Latest already).  My client wants to secure ports so that no one without IT...

In traditional layer 2 or layer 3 networks , we saw many problems/challenges like : a) packet looping b) network congestion  etc. The same above problems might appear in virtual networks . Could somebody please help me list out more such problems w...

Hi I have a situation where windows 7 laptops are using the wireless adaptor mac-address in the DHCP packet on the wired network This means by DHCP snooping is logging events constantly ( as nearly all my estate is laptop ) I can turn stop with th...

How come you cant put no cdp enable or no snmp trap link-status/no logging event link-status on a interface template ? Is there any smarter way of achieveing this? Switch(config)#template ? AP_INTERFACE_TEMPLATE built-in DMP_INTERFACE_TEMPLATE built-...

I was setting up a 3850 switch connected with firewall. here is the setup swtich vlan 100 vlan 200 vlan 500 interface 100 ip address 192.168.100.254 255.255.255.0 no shut interface 200 ip address 192.168.200.254 255.255.255.0 no shut interface vl...

Hello, I am inspecting a big network that has at least 300 switches and all is Layer2 domain :(  -  I have detected that exists default native vlan 1 and another different native vlan. If control traffic is handled by native vlan, could exists 2 tree...

Sir,   I have one internet line .In my network 8 VLANS . I have to provide internet for 5 VLANS .three vlans no need internet .8vlans are indifferent network .The core switch i am using cisco3850 and edge i am using cisco 2960 .Using this scenario ...

Dear All, I am getting "%MCAST-SW2_SP-6-ETRACK_STATS_LIMIT_EXCEEDED: Number of entries in IGMP snooping explicit-tracking statistics has exceeded the permanent threshold (25600)" in our 6500 switch running in VSS mode. I saw in cisco forum the issu...

Hi, I have Cisco 2911 router with  SM-ES2-16-P module. I am able to access it  with command" service-module gigabitEthernet 1/0 session" . output of sh ip int br R1#sh ip int br Interface IP-Address OK? Method Status ProtocolEmbedded-Service-Engine...

I have a 2821 that doesn't have the POE power supply. I would like to purchase a NME-16ES-1G-P because I want the switching capability. Will the module work in my router and just not give POE, or will the lack of a POE power supply disable the module...