Hi,Can somebody confirm me that each time a root is lost within a spanning-tree domain, the negotiation starts all over and every switches pretend that it is the root until each on root is identify while Rapid Spanning-Tree switch keeps track of the ...
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Forum Posts
Can I have a 26 (two fx) ports on 3560 switch on two different subnets? EX.: 1-20, 25-26 on vlan 100 and subnet 192.168.180.x/23 and ports 21-24 on vlan 200 subnet 192.158.150.x/29. Is this possible with VLAN tagging or some other method?
I'm trying to find the mac and ip address of a Dell chassis. I know which portsits connected to, they're up and working and I know what VLAN its on. However I can't see it if I do a sh mac-address-table. The only thing I can think of is my predecesso...
Hi , We have Cisco 3750 switch . Need to block traffic within single VLAN on TCP port 1443 . Please help.Thanks & RegardsAjay
Hi all ¡¡In the switch cisco 2960 i can make some interfaces and some vlans.Without default route i can't ping any interface configured in the switch from hosts configured in different networks logycally....Why i can ping vlan 2 from diferent network...
i found this statement in a file but did not explain it any further.These neighbour/peer relationships only occur over primary interface addresses NOT via any secondary addresses that may be configured!does that include subinterfaces? only the primar...
Resolved! Log port connections and disconnections
I've just upgraded the supervisor engine in my old 4006s (from Sup-II to Sup-II+) and all is well. This has also brought a migration from CatOS to IOS. Previously (under Sup-II and CatOS) I was able to record to syslog each individual port connecti...
Resolved! C3750x Trunking
I have 2 C3750x switches in a stack. G1/0/48 is an uplink to core switch1 and g2/0/48 is an uplink to core switch 2. Both ports are trunking all vlans. However, when I do a show inter g1/0/48 and comapre it to show inter g2/0/48, switch 2 in the stac...
i'm hoping that i haven't screwed up but here goes. i replaced an HP L2 switch with a L3 3650 as a core switch. when i installed the SW i didn't enable routing in an effort to not disturb too much. but now i would like to move some routing lines f...
Resolved! Newbie question about routing
Dear Experts,I am an absolute newbie in cisco networking land. I was assinged a task to quickly deploy new 2900 router and 5500 ASA firewall for our small network. Although I read through dozens of technical manuals, still feeling not confident enou...
All,I am trying to enable BFD on C4507 Sup 6L-E, ruunning cat4500e-entservicesk9-mz.122-54.SG.bin, is BFD supported in that case?Thanks!
Resolved! Cisco 2821 Config-Register Issues
Hey guys,So I just fired up a used 2821 for the first time and broke into it and by accident, instead of typing in "confreg 0x2142", I fat fingered it and typed in "confreg 0x21421" and reset the router. Now I fire it up and it's just all garbled wit...
Hi all, I hope I'm posting to the right place, sorry if I should have used IP Telephony!My question is this:Our LAN consists of a Cisco 3560G L3 and 7 x Cisco 2960 L2. These provide a gigabit backbone. Off of these switches hang DLink unmanged switch...
Hi,I recently installed a new cisco C6509E chassis with WS-SUP32-10GE-3B, there is weird logging messages.Can someone help me to explain this? It will be greatly appreciated!Here is the chassis info,XXX_6509# sh module Mod Ports Card Type ...
I have two questions reguarding the 3750x series switches.1. Does the 3750x come with the stacking cable(s) or is that a seperate purchase?2. Can you stack a POE and a non-POE version together? (same IP base of course)Thanks,Nathan
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