Switching

We have alot of logs going through our Nexus 7000 that is referencing the above and below error "%ARP-4-INVAL_IP".2013 Mar  5 08:56:26.207 ASC7010-prod %ARP-4-INVAL_IP:  arp [5426]  Received packet with invalid destination IP address (xx.xx.xx.xx) fr...

I am bringing up a 3750x and a 2911 to replace a 3745 router with switchport module.  I was plannng on moving all the VLAN interfaces off the 3745 onto the 3750x and turning up EIGRP.  I discoved the 3750 has the LAN Base license, so I can't run eigr...

Hello,I have 3750-48PS-S in production and would like to stack it with C3750G-48PS. Both switches are running code: c3750-ipservicesk9-mz.122-50.SE3.bin Please confirm this configuration will work.Thank you,forman

I have a Cisco 2811 with 2 fastEthernets. This is configured with:LAN0 (192.168.0.0/24)  <---------> f0/0 (192.168.0.6) --- f0/1 (192.168.1.6) <----------> LAN1 (192.168.1.0/24) <----------> INTERNETThe 2811 can access to Internet. I can ping any hos...

I am running HSRP on three 4506 switches..S1(active) S2( standby) and S3(listen)..S1 is active for all the vlansRight now, I wanted to  make S3 active for two vlans: vlan 10 and 19What would be the impact to the end hosts?Also, can you tell me why th...

I would like to know about the CISCO OSPF routing table in detail, can anybody please explain it to meThanks in advance

Hi,Anybody could identify what is the problem with the router 2851???????x400B01ECz 0x41BC96F8z 0x41BC96DCz*Aug 10 11:17:53.533: %SYS-2-MALLOCFAIL: Memory allocation of 20000 bytes failed from 0x400B57E8, alignment 0Pool: Processor  Free: 711968  Cau...

I'll try and simplifyI create an ACL inbound to a VLAN at an edge switch. The vlan is trunked to a distribution L3 switch that handles the routing of all the trunked VLANS. For example, the users can get to an ip subnet prior to access-group applicat...

cisco 2960 ios 15.0.2se. I want to configure RADIUS. When I enter the commandswitch(config)# radius-server host 192.168.1.1 auth-port 11111 acct-port 22222 key KEY-RADIUSI seeWarning: The CLI will be deprecated soon'radius-server host 192.168.1.1 aut...

Good Day All,I have been working on a solution for a few days and have not been able to figure out the resolution. The basic premise is to have 3 inside vlan networks controlled by a 1900 series router. Then have that primary LAN router connect to th...

                   Hi,I am configuring NTP on a new Cisco Nexus 7000 running version 6.1(2). NTP is working properly between the access switches and Nexus, however when configuring Authentication, NTP is not working anymore.confguration:Nexus 7K serv...

Hi, We need to implement QOS in our LAN environment - access, distribution and Core level , How can we setup QOS for VoIP and video traffic more effectively, give me more realistic data ( I meant realtime configured detials)  or good document which ...