Hi, The port based broadcast suppression command on Catalyst 6000 CatOS provides a keyword " UNICAST". C6506 (enable) set port broadcast 1/1 1% ? multicast Enable/disable multicast suppression unicast Enable/d...
The situation is the following: I have two Cisco routers 3640 in HSRP. In the same LAN has been installed a cluster firewall (CheckPoint) for have the redundance. The problem is that when there is a swap between the two cluster nodes the router don't...
I'm working in my lab and I have some routers that have integrated CSU/DSU models.. How can I get them to talk via the serial interfaces using the integrated CSU/DSU. I know that if I have a regular serial connection I use a dte/dce cable and set th...
Hi I configured one port as a trunk port in cisco 2950 switch and i found that I can assign the same port to any vlan !!! and i did . It works fine I have no problem ... but i do not know what is the reason behined that since trunk ports deals with...
Hi all,how can i enable accounting (monitoring) for all telnet sessions happening on my router. site engineers login to my routers for different reasons, so i need to provide them a user name and password and review the log for their activites...
I want to configure f0/10 on catalyst 3550 to carry coice traffic in 802.1Q frames, data vlan is vlan 2(data), voice vlan is vlan 3(voice), are the following configurations correct? vlan database vlan 2 name data vlan 3 name voiceconfigure terminalml...
Hi all,I had saw some discuss in other forum said that a voice vlan port in 3550 must be a trunk port, and the data traffic vlan should be the native vlan of the trunk. But some body that the port need not be a trunk. Also the doc of 3550 does not sa...
Hi,Little question. To your experience, what is the complication of having two the Redundant Supervisor Engine in CatOS switch are in different Software Release. I have pasted below the output for "Show Module" for out Cisco-6009 switch. I also high...
I will use the new feature " port security" in cat4006 with sup3. now I must download new ios S4KL3-12113EW . I can find the download file in CCO is such as "c4500-i-mz.121-13.bin ". but in release notes, the file is "cat4000-is-mz.121-13.EW.bin"...
Hi,Any idea what the following output in a 6509's log means:May 8 12:58:05: L3-MGR: l3_mgr_dss_ip_invalidate_mac_nexthop(): cookie[-2147412449], i/f[Vlan931], addr[0004.75e9.f13c]May 8 12:58:05: L3-MGR: l3_mgr_dss_ip_invalidate_mac_nexthop(): eleme...
Is it possible to attach a US Robotics external modem to a 2520 allowing users to dial up to that port and access the internal network?Can someone point me to the documentation of this setup.ThanksBrian
I am using 2600 router as access server, I am assigning ip address to dial in users using IP POOL. Now I want to assign Default gateway and DNS address to dial in user from router ( not from DHCP server ) for internet access. How can I do that?
Hi,I am seeing some Authentication Failure traps coming from our 10720 routers. The source for these auth failures are 0.0.0.0. Where do these come from?Carl W.
Hi,When using a cisco 10k8 router with a PRE1 engine running IOS 12.2.(15)BZ we notice that, when using AAA to import a static route, the imported static routes do not appear in any routing table.We've tried to add it to the "normal" routing table an...
Hi all,Here are several question I am confused:1. Can 3550 switch accept packets with 802.1q tags after the interface command "switchport mode access" applied.2. If the above question answer is "no" there is very strange. Because when I look up the v...
