Good day,I want to increase security on one of my LAN and want to "freeze" arp table for appropriate vlan interface on L3 switch (CAT 3550, IOS 12.1).I.e. I want only static arp records will take place for given vlan.I tried "no arp arpa" for vlan in...
Greetings!We started to receive SYS-2-MALLOCFAIL messages on our CAT3550-12T.#sh ver | i IOSIOS (tm) C3550 Software (C3550-I5K2L2Q3-M), Version 12.1(13)EA1c, RELEASE SOFTWARE (fc1)Messages:Dec 13 19:11:06: %SYS-2-MALLOCFAIL: Memory allocation of 1680...
Greetings,How to disable PVST on catalyst switch (w/o enabling MultipleSTP)? In the other words, I want STP works on catalyst switch exactly as on standard non-cisco switch (mono spanning tree).Best regards,Dmitry N. Hramtsov
Greetings,Strange thing happend with our 7206VXR. It starts to utilize 40% CPU but there is no processes which loads cpu. Total router's throughput comes short of satisfactory.router#sh processes cpu sortedCPU utilization for five seconds: 40%/32%; o...
Hello,I am trying to configure netflow on C3550-12T. "show ip cache flow" command displays only flows that goes to "Local" or "Null" destination interface. Flow exports works in the same way.It looks like: [*] no interfaces uses flow acceleration, b...
Hello Milan,Thank you for your answer, but unfortunately "arp timeout" works only when arp is on. So it is impossible to configure "arp timeout 0" and "no arp arpa" at the same time.And if I turn arp on, "arp timeout" is not become a problem for male...
Hello Russ,> It sounds like you just have a memory fragmentation problemAgree with you, but AFAIK it should not happens. Is it possible that this problem appears because of incorrect software behavior?I tried "show buffers" as you say.As far as I see...
It is difficult to say what led up to this message.Nearest message in log dated about 30 minutes before MALLOCFAIL.Don't know can this help, but here is more complete log for interesting period:Dec 13 18:31:39: %OSPF-5-ADJCHG: Process 1, Nbr 10.10.21...
Thank you for your answer, but it is not answer to my question. :)I want to disable PVST extension, i.e. I want that catalyst will not send BPDUs to VLANs except BPDUs version 0 to native VLAN like IEEE 802.1Q requires. Many other non-cisco switches ...
