I've just found out that with RIP-v1 everything works fine in a network as long as the same netmask is used on all interfaces of all routers from the network, no matter if that netmask is corresponding or not to Class A or B or C.My understanding up ...
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Hi.I am trying to connect to a Cisco 837 by the console port and the only thing that appear in the screen are strange symbols. I restarted the router one or two times and tried to connect the console port in another computer but it didn't work. The c...
Is there any real case when a switch after it receives a unicast frame on one of its ports would flood the frame on all its ports except the port it received the frame on?I see this being possible only if the destination MAC address was already flush...
I see 2 cases when it is needed to set proxy ARP in a router, but there might not be the good ones. Additionally I could be missing some other cases as well.1) - when a DHCP server is not on the same LAN with the hosts, as otherwise the DHCP Discover...
Very simple scenario:r1----sw1-----r2r1 fa0/0 ip and r2 fa0/0 ips in vlan 1are ping able...eigrp running...added loopbacks on R1Theses loopbakcs are pingable from r5..Then the fun....(ON R1) ip source-track 11.1.1.1 (IP Address on in loop1)pings then...
Hi to all,I have an etherchannel using 4 gigabit interfaces and i'm having high utilization just in one of it. It's the interface G6/32 on the SW-CENTRAL1 and SW-CENTRAL2 the ones that are having this situation (one in output and the other in input),...
Anyone know what this DHCP Snooping error means? I have DHCP snooping configured on an access switch. The ports that are indicated in this error message are the uplink ports. Which are not blocked as our DHCP servers sit off the distribution layer...
When pruning vlans is it ok to just prune at the port level on the core switch and not on the access switch?
Wet setup MS IAS Server according to this article:http://articles.techrepublic.com.com/5100-10878_11-6180954.html?tag=rbxccnbtr1I still can't use my Active Directory user name and password to log into the switch. Any pointers ? Thank you.
I would like an explanation on how the TX queue work on that peice of equipement.If I do a sh qos int ten1/49, I get this:QoS is enabled globallyPort QoS is enabledAdministrative Port Trust State: 'cos'Operational Port Trust State: 'cos'Trust device:...
Good DayJust a quick query. Can UDLD and Loop Guard be enabled on the same interface?Thanks
This may be very generic question, but, i have a 4510R with 2 supervisors V , and when i reboot it, is it does not boot in to the ios, i have to type reload .... where do i start with this issue?...the config register, or the supervisors... currently...
Hi, quick question here. On a 6509-E with dual SUP720 I can see the following entry in the mac-address table:7 0800.0f27.4991 dynamic Yes 170 flood to vlan7 (unicast)There are a number of entries similar to this, all in the same vlan. My ques...
We are using a Catalyst 2950T to capture the traffic of our network. We set up monitor session from a source port to a destination port, where a laptop runs tcpdump. What we observed was that the tcpdump started seeing only broadcast traffic after a ...
Hi, I have a cisco 1720, with IOS Version 12.2(8)TPC10a.I have configured a FTP server with NAT static in this router but we have problems to open sessions.Do you know if this is related with IOS? someone tell me I have to configure TCP MSS Adjustmen...
