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Dear All,I have three routers R1-R2-R3 connected in a network..R1 has the following configuration:interface Loopback0 ip address 10.168.246.11 255.255.255.255!         interface GigabitEthernet0/0 ip address 10.168.254.4 255.255.255.0 duplex auto spe...

Hello,I have some PC which require running in environment with VLAN.  However, some of them could not configure with VLAN tag but some can.  So simple drawingPC (cannot config VLAN) <-----> CISCO 2960 <-----> Server (can support VLAN tag)How should I...

I understand the sub-ints on  aserial WAN link, usually for frame-relay, but why the sub-ints on the fa? And how is it implemented on the LAN?  With a FR switch?R#sh ip int brInterface                  IP-Address      OK? Method Status               ...

The Nexus 5548 is running 5.1.3.N2.1a and has the L3 daughter card (N55-D160L3)I have the EIGRP feature enabled. By the way, when doing a 'sh feature' four EIGRP features show up like this:eigrp 1 enabledeigrp 2 enabled (not running)eigrp 3 enabled (...

jkeeffe by Level 2
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Hello to everyone,I have a problem with an etherchannel between a cisco 2950 and a couple of catalyst 4506.The  cisco 2950 is connect via an etherchannel to the catalyst 4506A. The  channel consist of two port on both side and is in trunk mode,  enca...

mempireo1 by Level 1
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                  Customer  production enviroment is nessus 5000 use 1 G interface * 4 and config Port-channel  ( LACP ) uplink to C3560 , The port channel link is 802.1q trunk , but Data trsnsfer is low , the sh int display as follow :someone can te...

sp9865180 by Level 1
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  • 1 replies
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Hi.I'm in the middle of implementing a 5K datacentre with vPC's configured.  I've two 5K's with two 2K's connecting to a P4500 SAN and three physical HP servers.  The vPC's are working no problem with the physcial servers.  The problem I'm having is ...

Server virtualization and coud computing are the driving forces behind the need to span a network's L2 domain. This is where TRILL comes into play. You get horizontal scale-out in a flattened network, with multiple L2 forwarding paths powered by TRIL...

visitor68 by Level 5
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  • 1 replies
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Hi.I'm reading the VLSM chapter on the ICND2 cert guide.Specifically the section for adding a new subnet to an existing VLSM design.In the book It says only the second , third and fifth possible /23 subnets will overlap.I don't understand why the fou...

Reprovoid by Level 1
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  • 1 replies
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Hello EveryoneI have an issue with BGP routing lab. I want to ping loopback 1 from R1 to loop 6 in R6 & vice versa , but i don’t want any other router into routing table except BGP peers & loopback1,6&7. All other config is working fine is working we...

Sabby0115 by Level 1
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