Other Network Architecture Subjects

We have a 3640 with an NM-30DM and a NM-1CE1USince the router recently lost power unexpectedly many of our users when trying to dial the router using an analogue modem are unable to establish a connection and receive the following message:Error 619 s...

hi, my question:if i have set a certain ip-prec value in an ip-paket and forward this frame over a mpls cloud then the pe-router will copy this ip-prec value into the mpls-header´s experimental field - right ?is this also true if i set the dscp-field...

first: I use static float route to use backup interface,and destination are two net: 21.0.0.0,22.0.0.0 but when master interface serial down ,only the net 21.0.0.0 next hop chage to backup interface and net 22.0.0.0 still use default next hop (the ma...

hi I types commands "show ip cache flow" and found the null in destionation interface like this.Fa6/0 164.72.154.105 Null 164.72.154.127 11 008A 008A 1 what means for null ?best regards.fred.

hi!how to download ios to my router? if c1700-7-mz.123-1a.bin flash was erased. is there a possibility to download it from my router? since i don't have tftp server?thanks in advance.sev

any advice on how to get the 2 to talk using copper x-over using access vlan?

Hello all, I have a 4006, SUPII with about 4 48 port blades and almost all of the ports that show connected have Xmit-ERR's! Could this be an autonegotiation issue or CDP? Most of them have autonegotiated @ 100Mbps full duplex but I was wondering ...

I have two ADSL lines coming from two different ISPs for redundancy. However, there is a problem with the posting of OUTBOUND email and newsgroup postings through my present two WAN port router. I can only bind the outbound traffic to one of the t...

Hi!Trying to get mls qos statistics out of a Catalyst 3550 via snmp. The documentation states that the device supports the CISCO-PORT-QOS-MIB (but that maybe only for the auto qos feature). however, I can't seem to get the switch to populate this tr...

Our current IOS on 2501 & 2503 was 11.0(9) and seemed not to support MIB-2 (no Frame-Relay sub-interface on SNMP).Is there any handy step to upgrade the IOS?What is the stable release for 2501 & 2503 with 8MB flash & 4MB RAM?If upgrade failed, is the...

I have a simple question. We have a Cisco 2600. I remember how to add a static route in the routing table from the command line when I telnet in. I've forgotten how to delete an old static route entry. What is the syntax??

I get this message "%SPANTREE-2-BPDU_SKEWING: BPDU skewed with a delay of 10 secs (max_age/2). ... " on my 6513,it hangs the connections to the switches hanging of it for a few seconds then reconnects just like nothing happened. Anyone else seen thi...

Is there a link anywhere that shows modules that will work with one and not the other? Thanks

Can the catOS on a supervisor1A be upgraded independantly of the ios on an msfc. I am currently running 6.1(1b) and want to upgrade to 8.1(1) or 8.2(1).Also on the msfc i have read that you must have a boot image in bootflash in addition to the full ...

Hi, I was wondering if anyone might be able to give an opinion on Wanspy (www.dvsinfo.com). Has anyone here used it or would any of you recommend it? If not, what other router monitoring tools might you all recommend in addition to MRTG. Thanks!