HiWhat these output means?what is the Reason of this msghow can i sole like this flaping*Mar 1 00:14:53.095: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 10: Neighbor 120.120.120.8 (Ethernet0/1) is down: Interface Goodbye receivedR6(config)#*Mar 1 00:14:54.167: ...
Hi,I'm looking at a couple of switches to buy for lab exam practice. Are there specific models of the 3560 or 3550 that I should buy, and are there any recommended retailers where I can buy them for a good price?Thank You,ADThomas
If Sw1 and Sw2 Connected to Core1 and Core2 and there is a trunk link between the 2 cores.Sw1 has vlan 10 and sw2 has vlan 20.If i allowed vlan 10 only on the trunk link between the 2 cores.Does it mean that the STP for vlan 20 is disabled beacuse th...
Hi All, I hope someone may be able to help here.I cannot get the 2950 to enter into the express setup mode. Nor can I get it to reset by holding down the mode button for 10 secs.is this feature only available in later versions of IOS?If so then ho...
Hello,There have been a couple instances (on difference 5509 switches) where aswitch port that is being configured as a trunk have fallen out and reverted back to it's native VLAN. When this occurs, the commands to configure the trunk port are no lo...
many users can't access email(outlook) on one switch. They can ping the server. Users can access other applications on same switch. Users on many switches. each switch is a different vlan & all are trunked through a 6506. Other users on the same...
I am working in a lab environment with 3 1760's. I had some problems keeping my router secure because of people using password recovery to change my configuration. I decided to disable password-recovery which disables ROMMON completely. The same d...
On the old 3500xl we could use the multi-VLAN command to set up a port to allow more than one VLAN on a port that is not trunked. Can this be done on a 2960?
Hello,I have one 6500 at site "a" connected to two 4948's and those two 4948's are connected via fiber to two more 4948's that are connected to another 6500 at site "b". The two connections between the 4948's are at layer two. I have GLBP up and I se...
R1#show int gig0/1GigabitEthernet0/1 is up, line protocol is up Hardware is i82543 (Livengood), address is 0008.e2f8.ac06 (bia 0008.e2f8.ac06) MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Enca...
We were connecting about 10 interfaces last nigt to other devices (not Cisco Products) as part of a network upgrade and we were doing this on 2 x different CAT 6500 switches running IOS.CPU utilisation spiked to near 100% every time an interface chan...
I'm seeing some cdp neighbours off of my core switch that have multiple IP addresses (so, switch A has 192.168.0.21 and 192.168.0.22). Problem is, the vlan interface only has one IP address of 192.168.0.22. Where can the second IP address be coming...
The message is Port Gi12: Dynamic Host Configuration Protocol (DHCP) reply messages dropped for non-existing or disconnected devices on this interface.How can I fix the error.RegardsMarceñp
