SleepyMan
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1 answers
2 votes
805 views
Question regarding MTU settings on a Cisco 3750X Switch
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3 votes

Setting the switch to use MTU of 9k globally will not be an issue for host device interfaces that are programmed to use 1500 as a maximum. The host will compile frames that have an MTU size of 1500 ...

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3 answers
5 votes
4k views
OSPF configuration in MESH topology
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6 votes

The area design you have specified will not work. The interface and its adjacent interface need to be in the same area. You can't have one interface in area0 and the adjacent router interface in area1....

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1 answers
1 votes
295 views
Netgear XS748T switch not connecting to 100Mbps devices
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3 votes

I have just been looking at the datasheet for those models. The XS716T supports 16x 100M/1G/10G Copper Ports The XS748T does not support any 100M but 44 x 1G/10G so this is your issue and why you ...

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3 answers
2 votes
2k views
Is it possible to assign network and broadcast addresses to hosts in the same network?
1 votes

There is no need to assign a broadcast or network address to a host. When you have assigned an address to a host, based on the subnetmask, the host will calculate based on the mask what to use for ...

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1 answers
2 votes
4k views
Can Cisco Router be used as DNS server?
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4 votes

There is a way to configure DNS server on your Cisco router. The first portion enables the DNS service on the router and enables lookups on the local router. R1# configure terminal R1(config)# ip ...

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2 answers
1 votes
1k views
ARP and DHCP same address to different device?
1 votes

It is possible your PC has an old ARP entry in the table. If the PC did not perform an ARP request for this IP address recently, while the IP was assigned to a new device. If you ping the address, ...

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4 answers
0 votes
145 views
Network traffic
1 votes

Network traffic refers to the amount of data moving across a network at a given point of time. Network data is mostly encapsulated in network packets, which provide the load in the network. Network ...

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14 answers
49 votes
239k views
Does having a longer Ethernet cable slow your connection?
42 votes

No, it will not slow down a connection, but you need to be aware of the maximum length of a copper connection which is 100 meters. This needs to include the length of your patching cable from the host ...

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2 answers
1 votes
251 views
Cisco 1800 series: sys-2-chunkexpanfail: error every time
5 votes

If you are on release 12.4(15)T12 | 12.4(24)T2 then this could be related to a Cisco bug CSCtg26917 with more details on it here Symptom: Chunk manager consume almost all memory. We found the ...

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1 answers
2 votes
685 views
What do the instal and active options do when adding a static route in JunOS?
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2 votes

INSTALL Configure whether Junos OS installs all static routes into the forwarding table. Even if you configure a route so it is not installed in the forwarding table, the route is still ...

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2 answers
1 votes
79 views
Weird address in my network
1 votes

It's very hard to help you with such little information. That IP address could be anything. This being a private address on your network and also ending with .1 would indicate that this is your ...

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1 answers
1 votes
1k views
QoS (802.1p) for iSCSI Traffic on Cisco Nexus 3048
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2 votes

If the clasification isn't available on the switch model, then you need to look at something like ACL-based QoS classification (Layers 2, 3, and 4) so that you can mark what traffic, by IP address ...

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1 answers
-1 votes
77 views
can you explain for me more detail this tutorial, please?
1 votes

Referring to that tutorial, the external IP address (routable) would be the 222.222.222.x range address. Anything within 192.168.x.x will be a private range which can only be used internally as per ...

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1 answers
1 votes
3k views
Serial to RJ45 connection to Brocade FWS 648S 48port Switch
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1 votes

Normally the DB9 serial end goes to a switch and then another serial connector to your laptop. If your laptop doesn't have a serial connector, you need to use something like a USB-Serial adapter where ...

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2 answers
2 votes
242 views
Would 1000BASE-T clients see benefits if connected to a 10GBase-T server via a 10Gbe switch
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3 votes

You would definately see a benefit. You are sharing the 1Gbit link to your server with several clients so your bottleneck would be a the 1Gbit link to your server. Once you have 10Gbit connected, that ...

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1 answers
2 votes
162 views
Can't copy files within ERX
1 votes

You are getting the 550 Cannot create file "files to get" or permission problem which clearly indicates that the account you are using to connect does not have the sufficient permission. Looking at ...

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2 answers
0 votes
109 views
building a private cloud
2 votes

The HP 1920 switches aren't really enterprise level switches and definately do not support 10Gb connectivity. So if you are connecting your hosts to the ISCSI storage where your guests are located, ...

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2 answers
1 votes
947 views
Alcatel OS6860E ethernet ssh
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1 votes

To enable or disable the administrative status for an existing VLAN, enter vlan followed by an existing VLAN ID and either enable or disable --> vlan 99 enable Give this a go and see if that ...

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4 answers
1 votes
2k views
Alcatel OS6250 - How to allow devices on only one port
1 votes

If you are not using any Network Management Systems that can support things like Policies or using 802.1x with a NAC, I think you are only going to be able to use port security and lock it by source ...

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2 answers
3 votes
9k views
Cisco: err-disabled due to loop - but there are NO redundant physical paths/ wires/ connections
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5 votes

I think this might be related to a bug. This issue is documented in Cisco bug ID CSCea46385. To resolve the issue, you need to add the no keepalive command to the interface. Hope this helps you on ...

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1 answers
1 votes
917 views
spanning-tree multiple vlan priority
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3 votes

To achieve the priorities you want, you can do the following SW1#spanning-tree vlan 200 priority 24576 SW1#spanning-tree vlan 100 priority 36864 SW1#spanning-tree vlan 300 priority 36864 What this ...

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1 answers
1 votes
643 views
VLAN and LAN on the same port
2 votes

Just create a second VLAN for your guest and make sure the uplink ports have the VLAN tagged all the way to your server that is performing the routing/NAT. So tag the new VLAN on the edge port the ...

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4 answers
6 votes
5k views
Why can't a single port be used for both incoming and outgoing traffic?
2 votes

A physical port can and is used for receiving and transmitting unless the port has been specifically configured to half-duplex. I think where you are getting confused is the actual port source and ...

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1 answers
0 votes
58 views
Gaining Experience with SMB/Enterprise Equipment
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2 votes

You have pretty much two options. 1) Buy used equipment from Ebay which are dirt cheap. You won't get the latest and the greatest but if you are starting up, this is ideal. Do research on which ...

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2 answers
1 votes
1k views
Cisco 3750 VLANS not connecting to internet
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2 votes

I can see you have a default route to your modem/router, but it does not appear you have routing enabled. Use Switch(config)#ip routing To enable routing. This in turn will allow inter vlan ...

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2 answers
0 votes
117 views
What is the correct way to construct this subnet
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3 votes

This is correct, the reason why you are seeing this is because you are using RIPv1 which can only deal with classful addresses and does not support VLSM. The address range you are trying to configure ...

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1 answers
0 votes
227 views
Bonjour defeating wireless isolation?
2 votes

I think SSID isolation is not the same as Client Isolation. Some controllers will have both and I believe they perform two different tasks. With SSID isolation, it simply means that if you have ...

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1 answers
12 votes
33k views
Why should the native VLAN never be used?
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14 votes

You can and most likely will need to use a native VLAN on your trunk ports, at least on Cisco switches, other vendors do it differently. But what you have to remember that the security risk is more to ...

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4 answers
0 votes
874 views
Configuring Ports on a Cisco Switch
2 votes

This is pretty straight forward to do, especially starting with a default configuration. If you wish to create two networks, you will need to use VLAN's. These will allow you to segment your network ...

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1 answers
1 votes
1k views
Difference between HP 1810-8G (J9802A) and HP PS1810-8G (J9833A)
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2 votes

No, this switch doesn't seem to be a successor. One thing that stands out is: 8-port Gigabit layer 2 smart-managed switch purpose built for HP Proliant Servers The 8-port model has an ...

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