Other Network Architecture Subjects

we have one active T1 in prodcution with Firewall doing the NAT. I am going to add the second T1 for just outbound traffic.what happens to the return traffic with Microsft VPN server. we are doing all the static translation for all our servers on fis...

This is regarding the 2.5 Gig backplane limitation on the 4 port GigE linecards for 12000 GSR's. Supposing we are using all ports on the linecards at full line rate. To rate limit ingress traffic we can do traffic policing.But how would you limit egr...

I am connecting to a sonet ring where they have their MTU size set at 1546. They asked me to change my 3550 mtu to 1546. I did this with the system mtu command. How is this going to fix "output buffer failures" and "underruns" on my 3550?

I have a biq question that i didn't found any answer..Think an ARR router with area Totally stub (area x no-summary). The ABR have 1 IF-A on area 0 and 1 IF-B in area 1. There are two major cases:1. In case of DOWN of IF-A is the OSPF process stay UP...

Hello Everyone, Looking at the trunk port below from a Cisco 6509 running code. 6.3(5)I like to clear the Trunk Frames TX and TrunkFramesRx using the clear trunk command, Will this disrupt the traffic across theses links. Or will ...

Hi All,I am trying to enable ip nbar protocol-discovery on a routed interface on my 6513, it works on other interfaces but when I try enable it on gi5/1 I get the following error: CEF or distributed CEF switching is required for NBAR 'protocol discov...

Hi,Has anyone seen a situation where a vlan remains in a shutdown state, despite attempts to "no shut" it?The switch is a 3512-XL running c3500XL-c3h2s-mz-120.5.2-XU.bin (yes, old, I know...)I've seen vlans state in a "suspended state" or not fully "...

Hello, I used this command already on 6509, but before putting it permanent, I try to know what is the exact signification of it, and also what is the impact on the switch (perf. ....)Looking to this web site, I don't have found any real explanation ...

Hi I am getting following errors on my 6509 switch can somebody tell me what is this, *Mar 16 09:32:17.165 PST: %EARL_NETFLOW-SP-5-NF_ECC_REMOVE: Netflow ECC Error Occured, DeletedNF entry [465]*Mar 16 09:32:19.085 PST: %EARL_L3_ASIC-SP-3-INTR_WARN:...

Hi all,I have basic question about Hold timer.When this timer starts and when reset occures?rgjl

Hello,We are installing a network based on 20 Cisco3550 switches, connected to a Cisco4507 with redundant Fibre optique on trunking mode, and we see that a lot of ports became err-disabled state, and some time even the trunk links can take this state...

Hi,I have a Catlyst 5000 & Catalyst 3500xl Infrastructure. Usually when I receive a new Catalyst 3500xl, I link it to my Cat5 on a 100/full port, it works great.With these new Catalyst 3550 that I received, I do exactly the same thing to connect to ...

hi guys im at the same campus in which i had mylast VTP issue, now teh taste is diff, thius swicth of mine, has falied loopback test, for 1-8 Fasether ports, im attaching the bootsequence.take a look.teh system led is green , ok, all the other LE...

Hi Sir,I have the following scenario:Two switches, both having the same VTP domain name, configuration revision number equal zero, and are in client modes.They are initially up and running. Then they are connected via a VLAN trunk. Any chance that on...

'Someone' ordered a 4424 card without realising the switch was a 4000 running catos, about 5.4. the switch wont recognise the card, my question is, if we upgrade the supervisor to a recent version of IOS, will it work, or is there a hardware incompa...