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Hi, I have the following config on my backbone 3750 : hostname SW0001 logging buffered 128000 debugging ! ip routing ! interface Vlan1 ip address 170.8.125.1 255.255.0.0 interface Vlan30 ip address 192.168.30.1 255.255.255.0 ip access-group VLAN30-IN in ! ip access-list extended VLAN30-IN...

On my IBM CCM V4.1 (Windows 2000 server) and on any browser, to log on as CCM Administrator I need to authenticate twice : First in an Internet Explorer window I type in username and password, then I obtain the ccmadmin/main.asp page but a second java like window prompts one more time the...

In our network we have ca 1200 Windows XP Pro desktops and microsoft Windows servers. On the PCs DNS and WINS are configured and it seems to work fine. But when I use Ethereal to monitor network traffic, I see that the PCs send NBNS frames to the WINS server to ask to resolve a name like...

When I try to monitor a port-channel which is declared trunk and the encapsulation replicate option, i get only received frames and not transmitted ones; If I omit the encapsulation replicate I get all the traffic (ingress and egress). Anyone has an idea ? Thanks

After upgrading I get something like : switch: dir flash: Directory of flash:/ 2 drwx 640 <date> html 5 -rwx 1435830 <date> c3500XL-c3h2-mz-120.5.1-XP.bin 6 -rwx 1803795 <date> c3500xl-c3h2s-mz.120-5.WC8.bin 15 -rwx 334...

I'd like to suppress DTP globally . Is there a command ? Thanks

We deployed ca 300 Windows XP Sp2 PCs in our enterprise. Due to the presence of the Novell client IPX protocol was installed but unfortunately not only for Netware access but also for the Microsoft network Client and the Printer and File Sharing for Microsoft Network : we can see it in the...

I want to save or load the config of the bridge with FTP, I have an error message at the end of the transfer which is completed . A sniffer gives me an ICMP destination unreachable (Port unreachable) at the end of the control TCP session. Also : How to save or load the WEP keys ? They don't...

Hi, I have 2 VLANs defined on my C3750 : vlan 1 for my local LAN (myLAN) and vlan 2 (192.168.12.0) for special use (internet access for patients (I work in a hospital); for access to Internet from vlan 2 i must use a gateway (my FireWall) on vlan 1; the patients must use DHCP which is defined on...

On our Network which consists in Windows 2000 servers (IP only), Netware 4.11 servers (IPX only) and ca 1000 W9x PCs we recently added 300 WXP Pro PCs with the MS Client and the Novell Netware 4.90 SP2 client (IPX only). Things seem to be different on the network now : more traffic, and...

I upgrade my network from hubs to C2950 switches. The PCs are Win 9x and use the microsoft network client and the Netware client from Novell. On some PCs after the upgrade i have no more connectivity for Netware (ie no netware login window); Microsoft Windows is OK and ping is good. I...

I can't update clock on cisco switches when the ntp server is a Windows2000 one. Anybody heard about this problem ? NTP frames seem to be good ans the cisco switch obtains the response but it does not update clock. Here's the debugging (deb ntp packets + deb ntp val) : 04:50:29: NTP: xmit...

I was plugging some patch cords on a running C3750 stack. Suddenly the running config was the default config and the startup-config was no more there : I saw it because some links went down (no more "mdix auto" commands in the config and I used straight cables to connect with another switch). A...

I configured "ntp server 129.132.2.21 key 0 prefer" on a catalyst 3750G-12S but the clock on the catalyst is not updated. A similar command on a small 831 router : "sntp server 129.132.2.21" works fine. A sniffer shows that the dialog between the switch and 129.132.2.21 (Swiss Internet time...

When I configure a VLAN with CMS, I can see nothing in a sh run command line interface. Why ? Thanks ?

Hello, On a C3548, I have many &quot;Ouput Buffer Failures&quot; on several ports, and obviously the connected PCs don'work fine (many fails)(see the end of this message). What could be the cause of this. The sh Buffers command gives nothing : Buffer elements: 480 in free list (500 max...

What's the meaning of the &quot;output buffer failures&quot; counter in the sh interface fastethernet 0/x command. I can't find anythinf in the doc. On some ports i have some for example on a port wich is connected (full, 100 Mbps) on another switch. Also, some ports (on other switches) blink...

Problem Title : dynamic ACL with multi-ports TCP (Telnet +FTP+ FTP-Data+1521+1525) does grant access only to the first port described in Here is a problem Description for which I had no response from CISCO: The pb appears with Cisco 2610 IOS Version 11.3(2)XA3. I configured the following...

Often, I loose connectivity with the stations behind a Cisco AP350 : Stations are in the status &quot;Assoc&quot;, but IP Address / Name is set &quot;Unassigned&quot; on the &quot;Association Table page. I need to re-enter the 2 WEP keys and it's OK for a while.. Could anybody help me ? Thanks.

My network (over 1000 PCs running Win95 or Win 98) is horrible : too many broadcasts for host announcement, netbios name resolution and so on... I have 3 protocols installed on all PCs : IPX for Netware, IPX std and TCP/IP. I'd like to use TCP/IP as far as possible (except for Netware because my...