Hello everyone,I'm starting my career as a Cisco engineer and have some doubts about certain infrastructure topics.This is the situation I'm facing in the company I'm working at currently:The company is replacing old routers and switches, and revampi...
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Forum Posts
Studying Ospf, and periodic flooding i found that ospf refresh it's LSA every 30 minutes (1800 seconds) if no change occur, but the output of my show ip ospf database shown an age of more than 1800 seconds as in the output above from my router 1800 s...
Hi Everyone,Hope someone can advise me. I am new to using Nexus switches.I have to connect a Nexus 5548 mgmt 0 port to an out of band switch Cisco 3560.There will be no trunk from the 3560 to our distribution, instead you have the OOB switch, running...
Resolved! How to shutdown only a switch in stack
Hello Everyone,I have a doubt. In my environement I have two Switch 3750-X in stack.My question is:How to shutdown remotely only a switch in stack?Best Regards.Eder.
Resolved! ipsec and keys used
Hi everybody.When using ipsec ( AH/ESP), both authentication and encryption require a secret key as dicussed in the following extract: Authentication calculates an Integrity Check Value (ICV) over the packet's contents, and it's usu...
HI everybody Please consider the following scenario on dhcp snooping on cisco switches. rest of network ---------SW1(f1/1-untrusted)-------------f1/2( untrusted) Sw2--------------------Dhcp serverAbove sw1 and sw2 bot...
Resolved! Cisco 861W Interal AP not booting
Hi there,I tried to upgrade the IOS on my internal AP and now I am in a reboot cycle. I have tried to manually boot the old and new IOS images from the rommon but neither are working. here is the output I am getting:ap: dir flash:Directory of flash:/...
Hi all,As the title says I have two Subnets 72(LAN) and 73(Wireless) and currently they can talk to each other. I.E, 73 Subnet can ping 72 etc etc.Have only one router straight to one switch. Using Two Physical ports on the Router for each Subnet...I...
Hello to you Cisco folks,I have an understaing question regarding the port-map command and the router's behaviour.What does the below line exactly do when used in class-maps?:"ip port-map smtp port tcp from 35 to 45"!class-map type inspect match-any ...
hi all,Need to confirm if WS-C3750-48TS-S supports Private vlans and IPV6?Also need to know which stack cable like part number i can use for stacking them .ThanksMahesh
Resolved! mac acl on cisco 3750
hi ;i have created macl on cisco 3750 but it's not working ?are there any limitations about 3750 or mac acl ? what is wrong ?my config is mac access-list extended macbased deny any anyinterface GigabitEthernet1/0/40 switchport access vlan 33 switch...
HiI'm really struggling to setup the routing through a site to site vpn to another site using subnet 212.xxx.xxx.0/2410.1.1.2 is a gateway that has access to the site. If I add to any server on the 10.1.1.0/24 subnet route add 212.xxx.xxx.0 mask 255....
Hi everyone, I have 2 Cisco router connected via Serial cable, Router1 is an ADSL gateway, Router2 connected to Router1 via serial cable, all the hosts of Router2 can ping and access to Internet website through Router1, but I can't ping an internet a...
Hi guys, one last question before my network change this evening. Your input is valued as I'm not 100% comfortable with the change being remote from the site the changes are occuring at.My scenario is this: I have a 6509 running 12.2(18)SXF10 and a r...
I have cisco router 800 series 887 VAW. WiFi is connected to all my devices through this router, i.e., Windows XP, Vista, Wii, Nexus 7 and HTC Desire S. I can access internet from all these devices. The apps which are already downloaded on my Andro...
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