Switching

Hello.The switch is a Cisco Catalyst WS_C2960L_24TS_LL.I have configured the "interface vlan 1" with"ip address 192.168.3.40 255.255.255.0"Then I configured the 24 switchports as trunk ports.Since then, I cannot "ping 192.168.3.40" and cannot SSH int...

Hi,   I ordered 2 years ago - (NAS-3515-K9) Small Secure Network Server for ACS application.       I will replace this with ISE. I see a bunch of ISE products and I'm confused what should I get to make it almost the same as above? I only  ...

Hi all,   I am building a basic eBGP lab to test out the concept of making 2 non-directly connected neighbours BGP peers.   The network the BGP routers will be going 'across' is an OSPF network.   The lab is below along with relevant configuration: ...

Hi! I am looking for the device self-signed cert (for SSH etc) validity time in IOS XE. sh crypto pki certificates return nothing as if there was no cert. sh crypto pki trustpoint TP-self-signed-#### status does not contain the validity dates. Cert i...

Dears,   Hi,I'm doing test about a pair of 4500x vss without NSF.(due to customer's enviroment)When I power 4500x-A down,the routing(ospf) is stopping untill each tables updated.About 8 - 20 second stops everytime.It is commonsence because working wi...

Hello.   We use SG500-48port switch. Today, I found out that system uptime has been changed from 497 days, 02:27:51 to 0 days, 00:00:00, even though switch was not rebooted.    I guess that SG500-48port's uptime has passed over its limit value and va...

Hello, how can I adjust this route map to ONLY allow set the next hop for traffic from 10.21.1.77  to public IP addresses i..e all private addresses will NOT be affected by this route map. Or do I have to set two distinct next hop clauses i.e. one cl...

I bought a cisco 1841 router, but when I started the device it said that I do not have enough memory, which I do not understand since the router has a 256mb flash module that is more than enough to start the IOS, and also the boot cycle never it stop...

Hi, does anyone here know, what happend to "lacp rate fast" interface command on IOS16? The command was there in IOS 15 below but disappered with the update to IOS16.Is this command deprecated, is there some automation implemented to find the best va...

Dears, I have read about switchport block unicast and switchport block multicast, when these commands are in effect in which situation ???   becz when a switch cam table ages out it has to flood the traffic on each port of the Vlan and the host has t...

Hi   I have 2 switches that are connected by a network cable through trunk ports.   From Switch 1  I can ping switch 2.   From anywhere on our network I can ping switch 1 , but can NOT ping switch 2   I can see the Second Switch sh ip arp command.   ...

I have a weird one... We're having a bizarre issue with UDP traffic on an older core 6509 (Sup720 running 12.2(18)SXD7b.) The issue was discovered when we got a new phone system. Phones on outside send UDP traffic through our firewall but it never ma...