Switching

Hi, does anyone know what Symbol error frames are?Getting quite a few appear on the rx side of the show controllers output on failing sfp ports on a 3750-12G.Any help or pointers much appreciated.Thanks

Hello, My question is that I am setting up a 3750 access switch. My management vlan is vlan 1 and I have one data vlan which is vlan 2. The default-gateway is the interface vlan ip of vlan 2 which is created on the distribution router. Here is the co...

I have 2 configs stored in the flash.when i try to move from config1 to config 2 I get the folloeing error message:Command rejected: Gi1/0/17 not a switching port.Command rejected: Gi1/0/17 not a switching port.These are the gi1/0/17 from both config...

Hi everybody,is it possible to have a layer 3 Etherchannel up and running if I use FastEthernet on one side and GigabitEthernet on the other side?RegardsStefano

Assume the following configuration on a 2970 running 12.2(25)SEB4:!no mls qos rewrite ip dscpmls qos!class-map match-any IPTube match ip dscp 2 !policy-map IPTube class IPTube set dscp ef!interface GigabitEthernet0/16 description IPTUBE01 switchp...

I have 2 Cisco Catalyst 3550 Series Switches. One of them had their IOS wiped off and I am trying to copy an image of the one that still works to the one that doesn't. So far, I haven't had much help online resolving this issue and I will be grateful...

Hi all,I have a situation where I have two (2) 6500's (distribution layer) connected to another two (2) 6500's (core layer).On the distribution layer 6500's I have HSRP configured for the networks that are in that particular block. The distribution ...

Hi,I want to connect my access layer switch to the core via layer 3. I did configure one of the physical port as routed port and the other end on the core. My users are coming from specific vlan like 200. I need some help on how to configure this? Ap...

Can somebody explain with more accuracy what mean all the output of bood -d command in rmonitor?. It is very confusing, more exactly the part "boot tftp://10.1.1.5/tftpboot/ios - boots file "/tftpboot/ios" from tftp server 10.1.1.5 through th...

I would like to know how to configure 2 router with VRRP or HSRP + static nat and avoid ip duplication.I need to have failover configured on two routers and some static nat 1:1 to reach some hosts on a overlapping network.Doing so, i discovered "ip d...

Hello All,We have a CAT 4006 that is experiencing multiple instances of this error in the log:Sep 10 10:55:51: %C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 238722 times)Packet received with invalid source MAC address (00:00:00:00:00:00) on po...

I am not able to get a SUP720 to boot the second image specified, if the CF card is removed.I have just finished converting a SUP720-BASE from Hybrid mode to Native IOS mode. I had a small issue during this procedure, where I didn't format the CF be...