I have been asked by a customer about the vulnerability described at http://online.securityfocus.com/archive/1/26008What is the best way to set the native vlan on the trunk port? switchport trunk native vlan n seems too easy! Switches are varied but ...
Someone suggested elsewhere on this forum that the maximum number of secondary IP addresses which could be assigned to a 2621's Fast Ethernet port was six. I just applied twenty secondary addresses with no ill effects and everything seems to be worki...
I have a central site with 3 bri's, Multiple remote sites dial into the central site and pass IP across the ISDN( Eigrp runs acrosss the isdn ). What is the best configuration for this ? Is it rotary-groups on the central site or dialer pools?
when i try to insert X6516-GE-TX Card on any of slot of 6509. the card shows amber color.i have tried this is two different chasis, same problem.L2 card : WS-X6K-SUP2-2GEIOS : cat6000-sup2.6-1-1d.bincan any one tell me where the problem is..thanks
I execute sh log and I found that:Jan 24 14:06:33: %SEC-6-IPACCESSLOGP: list 101 permitted udp 10.10.1.15(138) -> 10.10.1.255(138), 1 packetBut I don't know what is it, and what are there a lot of traffic UDP, we have a Ethernet network and we work w...
I want to change the cam ageing time on my switches to 30 minutes or more for management purposes (I need to monitor where devices are in the network, but not all devices are actively communicating all of the time). What is the potential impact of c...
We currently support 2 typse of Adapter Teaming on INTEL and 3Com server NIC's - Load Balancing (1 in many out) and Fault Tolerance (multi NIC but only 1 at any one time).Customer is upgrading to Cisco and VLAN's/FEC. We have servers at Cisco and Nor...
I have a catalyst 4006 with sup2 module. The sup ports are at gig speed.I am trying to upload a image from a production switch, which I have, then distribute it to the switch that is about to be deployed.When I try to distribute, the software keeps ...
I was wondering if Cisco has published any information on how much latency/delay (usec) there is with the following modules/cards for Cisco Catalyst 6509 Switches: o 16-port Gigabit Module (WS-X6516-GBIC) o 48-port 10/100 Fast Ethernet Module (WS-X65...
I have a cisco 2610 running IOS 11.3 (2) and I want to know what I can do with it. I want to have three servers behind it which I want to be seen by the outside. I also have a network that I want to be able to browse the Internet through this router....
Our network works with TCP/IP, when I create a new rule on input ACL:deny udp any any log, I say a lot of packets UDP by my network but I don't know why or when is traffic UDP generating.We have in our network, DNS server, WINS server, Proxy server, ...
I'm using Linux. Previously I used windows Hyperterminal to access my router through serial cable.I've tried many programs such as mgetty and minicom to access my router but I still could not. Maybe my configuration is not right. I used 8 bits, no pa...
