I have 2950 switches. There is an suspicious ip address on my network that I would like to track down. Is there a way to look at the switching tables and determine what port a specific IP address is connected to?Thanks!
All,I created an etherchannel between a cat3750G and a cat6509. I ran a show etherchannel 5 detail and I noticed for my flags I got SC. Is this okay, I am wondering because I looked it up and it doesn't sound good but I could be reading it wrong. Tha...
Good day all!I am new in Cisco world and try to configure a trunk between a Catalyst 2960 switch and a IBM Blade Center IGESM switch (manifactured by Cisco). Unfortunately, it seems that the network traffic doesn't cross the trunk link. I have follow...
Fellow switch folk,I'm curious about the nature of the backplane in the Catalyst 5000 and 5505. Specifically: Is it the same backplane, with the difference between the two being mainly in the supervisor engine?To put this another way: I know using a ...
hi,I try to interconnect 2 Catalyst 3750 switch use cwdm sfp fiber module.If just plug in, there is no link between 2 switchs.What's the procedure to make this?Thanks
I need at least a 12 port 10/100/1000 and a 48 port non-POE 10/100/1000 switch that supportunicast and multicast. I'm not sure if a 3560 model or a 3750 model would be better. Does someone know the main differences between the two? This in in a scho...
I am trying to work out why I am seeing high egress fabric utilisation on a Sup720 when a span session has been configured on a ws-x6748.The SPAN session is mirroring two vlan's so its being over subscribed.The Sup is suffering inband ping failures "...
Why pinging an unreachable network I receive the router response (ICMP unreachable) for every packet, while sending, for istance, UDP packets the router responds sometimes only ? From what I understood the ICMP unreachable rate limit ( one every 500 ...
Hi,I have a problem here when i connect this module NM-2CE1T1-PRI to a C3640 Model(C3640-JK9S-M) , IOS ver 12.1,I got this error:Unsupported I/O Controller (type 926) in I/ O Bay. The I/O Controller network interfaces will be unavailable.WHat is this...
HiWe have a problem with an etherchannel trunk between 2 Cat 6513's. The etherchannel is 8Gb split across 2 Copper 10/100/1000Mb 16 port cards in each chassis. The trunk uses ports 13 - 16 on slot 5 in one chassis to 13 - 16 on slot 5 in the other ch...
Hello guys,I want to upgrade all cisco devices on the network. Can you give me some tips?6509 sup720 jobs:-layer 2 & 3-HSRP-EIGRP-ROOT BRIDGE-Rapid PVST-MSDP-PIM SM-tacacs+cat4507r sup4 jobs-layer 2-rapid pvst-IGMP Snooping-tacacs+cat3550 & 3560-laye...
