Switching

We are replacing our managed switch and need to log in to see how they are setup.  One problem is that they were setup 5 years ago by an integration company that has gone out of business.  I was wondering if Cisco has a overriding username and passwo...

We have nexus 7k with AAA authentication working now i have an issue i can't login using console port because my logins are rejected.Is there anyway we can login into console with local login details or we have to use ACS server (AAA) logins when con...

 We're running a couple of Cisco Catalyst 4500-X (SUP7) and using the 3.4 version. I was looking for a upgrade and saw that there was two "new" versions ready for download. I haven't read the release notes yet, so i'm just asking kindly for experienc...

Guys,I'm trying to find sample log output for Power Supply failure.  My goal here is to write an EEM or ESM script to forward a log when a power supply failure is detected.  This log will trigger an email notification by our syslog server to notify m...

Hi,on a ISR platform with HWIC-4ESW or EHWIC-4ESG (4 fast ethernet switched ports),- with interface fa0/1/0 toward customer #1 using vlanid 100, 101, 102, and 1(native),- with interface fa0/1/1 toward customer #2 using vlanid 201, 202, 203, and 1(nat...

Hi Gurus, Below are the three VLAN's I have created on my First Switch for the first time ion my lift after watching couple of videos.I am connected to the switch using a serial to usb cable via console. sw1#show vlanVLAN Name                        ...

HiWhat are the differences between Cisco Router 2600 series: between 2611XM and 2621XM?Interface, encryption, everything wise?C2600-adventerprisek9-mz.124-11.T.bin This is an 2611XM router.Is the above Router has everything similar to this Router? 26...

Hello It is recommended to use HSRP with BFD to improve the timers in a N5K?thanks for your helpRegards

I am repeatedly getting this message referencing and L2 Trunk Port see below; %IGMP_QUERIER-4-SAME_SRC_IP_ADDR:An IGMP General Query packet with the same source IP address (172.16.94.1) is received in VLAN 94 on port Gi4/18.any ideas as to whats goin...

Hello All, I have a need to block users from connecting L2 hubs into my network, I am using Cisco L3 3850.Is it more effective to use stp port fast or pbdu ? Cheers

can i do it a stacking between this switches? what is the consecuences?

HelloI am managing a router - Cisco C887VA, that had 3 VLANs at the moment, the management wired network (10.0.0.0/24), 1 public wireless network (10.99.0.0/16) and 1 private wireless network (10.1.1.0/24). Those are working fine, no issues. However,...

Hello all, I've been studying ARP and how switches communicate traffic. Im just getting a little confused with how multiple switches connected in a network determine the destination of a message. I know switches learn mac address and add it to their ...

i have not get my cisco certificate, and cisco said it have be mail, how can i get my certificate, i need their e-mail to i can send message to cisco