Switching

Dear Community, I have been going through 300-115 Cisco Official switching certification guide.my issue is that there are numerous switch block scenarios with best practice designs but there isn't the best practise when connecting the switch blocks ...

Greetings, We currently have a guest network that uses Google's DNS servers (8.8.8.8 and 8.8.4.4). The problem is, we want email to flow internally between the guest network and the corporate network. One solution is to install a DNS server for our ...

Hi,  Just acquired brand new WS-C3560CX-8PC-S from Cisco via reseller and when plugged in default configuration (I.e. from new) nothing connected there is what I can only describe as a crackle coming from the PSU area.  Whilst the noise isn't invasi...

Hi there, Thanks for reading. I have a vlan which I need to make available to remote users.  It's a small location with a switch behind a router.  The router has a /24 vlan int defined which we're natting to the Internet Fa1.  Here's (what I think ar...

Here is my config for the network part. ip dhcp excluded-address 192.168.10.1 192.168.10.30ip dhcp excluded-address 192.168.11.1 192.168.11.30!ip dhcp pool VOICE network 192.168.10.0 255.255.255.0 default-router 192.168.10.1 dns-server 8.8.8.8 opti...

I am not able to ping any switch from router 3. How do i set up default-gateway for this switch ( not the default-network)

Hello, i created another vlan for pc's out in our plant that i'd like to have access to our internal network but not the internet.  everything is configured correctly (vlan address, trunking) but i cannot ping vlan 3 from my pc unless my gateway is v...

Hello, We are trying to configure selective QinQ according to Nexus 9300 configuration guide in a nexus 93180yc-ex, however the following command is not supported: switch(config-if)# switchport vlan mapping <inner_tag> dot1q-tunnel <outer_tag> Why i...

Hi I have a VSS where switch 01 failed. When I bought it back up (with all config intact) I converted it with 'switch convert mode virtual' and everything was OK but when I tried the 'switch accept mode virtual' on 01 I got the following error:- St...

Hi All what is the best practice qos config for switches these days? port based, vlan based etc ? cheers

Dear Team, Please help me to understand can Cisco ASR 1002 X can work on single AC power supply unit. Is it mandatory to provide AC power for both the AC power supplies.