Hello all,I wanted to ask if this document is still accurate regarding ISSU and its relation to the switching hardware that supports it. We have a pair of 93180YC-EX configured as vPC peers in addition to other vPC connected network equipment and wo...
Hi, I just upgraded the IOS of 4948-10GE switch to cat4500-entservicesk9-mz.122-54.SG.bin, but during boot process I got this exception :UNHANDLED ROMMON EXCEPTION at PC=0453ab5cVector=00000100 MSR=02029230 LR=0453ab24MCSR=00000000CISR0=00000000 CISR...
Topology: PC <===>Access Switch (C2960)<===> Core Switch C4510 <===> DHCP Server (MS)Security function on access switch: ip dhcp snooping, no ip dhcp snooping information option, ip arp inspection validate src-mac dst-mac ip allow zeros, ip arp inspe...
Saudações a todos! Alguém poderia me auxiliar na seguinte situação que abordei em um simulado para o exame CCNA sobre voice vlans? Obtive as seguintes respostas sobre configuração de interfaces para permitir o tráfego de voz, conforme os anexos. Em u...
Should be a simple act, but no matter what I do, I can't ping from my ASA5510 to VLAN1 of the Router. ASA5510 Interface:interface Ethernet0/0speed 100duplex fullnameif Outside-Internetsecurity-level 0ip address 122.56.33.108 255.255.255.248 Router I...
Hi guy,A GRE tunnel can be easily set up between two L3 devices(which means the tunnel source is "tunnel source 100.67.97.200" in the following configuration, GRE tunnel is working properly ). However, after a NAT device is added into the network, th...
I have a pair of Nexus 3548's that during nmap scans of even a single host on any subnet or, even during the transfer of a bin file for upgrading the OS, I will get error like this in the secondary peer:%STP-2-VPC_PEER_LINK_INCONSIST_BLOCK: vPC peer-...
Hi there, I am new to nexus switch. I want to change my nexus switch(7000) logging level from critical to notification. In order to do it, I have to change baud speed. Here is the statement from cisco: The current critical (default) lo...
I have configured vlans, trunk ports and acces, but still no internet. K@yT
Our IT is planning to upgrade the network switches:- existing switches: WS-C2960+24TC-S,- new switches: WS-C2960L-SM-24TS.The thing is, they are planning on retaining the existing SFP modules for now, which are GLC-GE-100FX. The SFP modules are 100M,...
Just trying to find out if the GLC-FE-100FX will work in a C3850-24S-S switch. If so is there a specific port configuration that it must use?
I set up a SG300-28 to mirror a single port: GE6 as the source, GE4 as the destination, Tx and Rx. At very VERY low rates every packet is mirrored fine. At just under a measly 3 megabits/sec, the mirror port drops packets often. I've tried everyth...
No matter what port I plug it into the Sg500 the Sg250x reboots after a minute or so. Very frustrating.
Hi All, This may be a dead-end, but I figured it wouldn't hurt to ask. I have a couple of EOL 3400 devices that I had some time to fiddle with & I believe I am getting to a point where I need a troubleshooting diagram/circuit diagram to verify a coup...
hi every body,i have a problem with the config 802.1 in switch and connection to ISE server.i do all configuration in switch but i don't have ping of my ise server in switch.must i have ping?!this is my config:conf taaa authentication dot1x default g...
