Switching

Help on HSRP

Hi All,I am trying to design a network for college course and I was told to look at HSRP for redundancy which I have got working using an interface on each router. (see diagram below). However what I want to do is connect my switches to both router...

Problem with Core switch and distribution switches

Hello all, I hope any one can help me in this issue :we have core switch 3750 connect with 14 distribution switches 2960 with 2 uplink each , 3 switch work on speed 100 when i change one to 1000 i notice a strange behavoir in the enviroment the switc...

Resolved! Regarding show vtp status

Hi All,I'm learning networking.I've a doubt from the output of show vtp status. What does it mean by "Maximum VLANs supported locally" ?And the output is showing that the present verions is "VTP Version 2" and again at VTP V2 mode it is showing as di...

Resolved! Management of stacked switches in DMZ

What is the best approach to handle managmenet of switches in a DMZ? We are implementing a dual firewall solution (front external facing, and a rear internal/DMZ facing).I would like to be able to manage the switches from inside the corporate network...

Resolved! ver. 15 firmware for old routers

Good day,having some troubles to get the newest firmware for the Cisco old routers, such as: 1700 (от 1710 до 1760)2600 (от 2610 до 2650XM)26913600 (3620, 3640 и 3660)37253745Can anyone tell me, will they work with IOS 15.x or not and how to get the ...

Puerto 80 cerrado

Estoy desarrollando la pagina web de mi empresa y necesito que se conecte con mi servidor pero la empresa que está a cargo de la pagina me dice que no se pueden conectar porque tengo el puerto 80 cerrado, alguien me puede ayudar ??? Saludos. ...

layer 2 trunk ports went down due to cisco 4500 core switch !!!

Hi Everyone,My 2 Layer 2 2960 switchTrunk Ports went down due to cisco 4500 switch. It happening everytime . I rebbot the switch 4500 . then problem disappears but after sometime facing same issue.Please help.

Resolved! Cisco 1921 no username password commad

Hi,I ahve countered an issue today. I was working on 1921 which is used as test router in ISP. I have loaded a router with test config with username & password in running config. After a while i have removed the username & password with no userna...

Resolved! OSPF Route Scenario

Hello peoples, I have a scenario where I have a single router being multihomed to two different area 0 routers. I want to turn this new multihomed router up on a new area, say area 2. These area 0 routers will be the ABRs for the new area 2. I wa...

Nexus 5548 crashed, error message : %NETSTACK-2-MPULLUP & %SYSMGR-2-TMP_DIR_FULL

Hi,Yesterday our Nexus 5548 crashed. We found some error message :2013 Dec 30 07:43:51 N5K-2 %$ VDC-1 %$ %NETSTACK-2-MPULLUP: netstack [3255] p_ip_output: m_pullup failed for IP, error Operation not permitted2013 Dec 30 07:45:36 N5K-2 %$ VDC-1 %$ %...

CSCtg62793 CPU hog on Cat3xxx for SNMP lldpRemEntry

Hi All,Recently, I came across cisco bug CSCtg62793 for SNMP on my 3750 switches which has IOS c3750e-universalk9-mz.122-55.SE1. My question is that if we have this bug only in 12.2(55) SE releases only or any other IOS would also include this bug?Th...

Make me clear this BUG CSCdp17107

Dear Techies,Please help me out in clearing this bug.CSCdp17107Awaiting your replies,Thanks,Nithin M

Ordering ISR-G2 Interface

Hello,I have Cisco ISR G2 2921, and it has 3-gigabitetherent interfaces. i would like to add one more GigabitEthernet-Interface into my Router. Can anyone tell me what is the exact part-number for ordering a (GigabitEthernet I...

Resolved! PACL Issue

Experts, I'm configuring a PACL on my L2 Switch to block a user. Both of us reside on the same L2 Switch and the same VLAN. On the Switch, I conifgured this statment globally on the Switch:mac access-list extended Deny deny host xxxx.xxxx.xxxx anyU...