I'm doing a lab about NAT and I came to a point where I need an explanation because I really don't know whether there is an issue or not. My lab is shown as per the photo. my router conneced to ISP router and connected to switch for Lan Users. I ...
*Please refer to attached picture* After running in to some routing issues I discovered recently that there may also be issues within the STP. Currently we have everything on vlan 1 with a network of 10.18.24.0 255.255.248.0. Instead of the roo...
Hello i have a lab with the following characteristics (graphic attached). - 1x VSS - 2x normal Router - between these two Routers and VSS works EIGRP Metric R1: Link1 = 10000 (FD), 7000 (RD) Link2 + Link3 = 15000 (FD), 10000 (RD) Metric R2: Link2...
I have a Cisco 2801 series router, and I would like to connect router to Internet and act as a gateway to the Internet for my users on the LAN network. So far I've configured both FE ports, and still my users don't have Internet access. On Cisco ro...
Hello, I have two VSS systems, core_01 and core_02, connected with a port channel. Can I use this port channel with epagp for dual active detection of both systems? Something like this: core_01:interface port-channel 20 switchport switchport tr...
Hi,I have two cisco SG300-28, and I want to do a high availability scenario with it.Anybody know if is possible and how I could do it?I've read about Spanning tree, but I really haven't found how to do this.If anybody could help me, I'll be very than...
Hello, I notice via the command 'sh mls qos int x/x/ statistics' that I have DSCP 48 marked traffic passing via my switch. My question is why would this traffic get placed in queue 2 as per 'mls qos srr-queue output dscp-map queue 2 threshold 3 48 5'...
A few days ago, I tried to upgrade Nexus 7000 from version 6.2.2 to 6.2.8a. I received an error message during the upgrade that says: Notifying services about the switchover. - FAIL. Return code 0x401E007B (request was aborted by service). Servic...
Hello, On a stack of three SG500-X 24P for apparently no reason im loosing suddently the intervlan routing.Nothing relevant in the logs. Firmware 1.4.7.6 show ip route commands says...Before reboot :C 10.22.56.0/24 is directly connected, vlan 2256 C ...
Hi everybody ! I create one project with cisco packet tracer, i added several switches with several Vlans and one laptop. The configuration is the following one : ROUTER 1: Building configuration... Current configuration : 571 bytes ! version...
we want to activiate the snmp and syslog on the router/switch,do we have to enable logging monitor informational
Hi all,I hope you can help me, i want to know if is possible to do the follow escenary:My Data Center has one single core switch where is connected several servers, one port is the link to the router wan and other port is the link to the FW, my boss ...
we have switch SW1, connected to router R1, router R1 connected to router R2 (in another country), we found packet drop from SW1 to R2, but no packet loss from R1 to R2 and no packet loss from SW1 to R1. SW1 also no error log. the interface which c...
Every day we have differents clients that loss packets with our Router Cisco 3800, the clients are in differents switches in our LAN and not always were the same clients how loss the connectivity with the gateway. We tried to connect a PC with that ...
Hi, I have 2 switch stacks (2 3850s in each), on different floors. What is the best way to connect them and how do I properly configure the ports? If Ethernet, can I bond the ports to provide more throughput? What about cross over cable? Than...
