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1500 questions
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1 answer

IPv6 prefix interpretation

I have a very basic question about IPv6 prefix. Taking a very simple example about prefix notation: "2001:db8:abcd:0012::0/64" My question is: Do we call the whole thing under quote as prefix or just the value after back slash? In general term, I…
Network_starter
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1 answer

After a memory upgrade of my Cisco WAAS, why is the connection limit still the same, how can I raise it?

We use Cisco WAAS appliances for WAN optimization. With increasing traffic, we noticed that the connection limit was frequently reached. In case of our WAVE-574-K9 with 3 GB RAM, there was a limit of 750 connections. So we decided to upgrade the…
Stefan
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6
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2 answers

VLAN-Subnets 1:1?

I often hear people saying that each VLAN is a subnet (or is associated with a subnet) but is that really true? Assume I have 10 big offices. I will have a subnet for each office but only 2 VLANs grouping some computers, e.g. finance workers to be…
Pietros
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3 answers

Why can PPPoE connect to a gateway which is not in the same subnet

We know the host needs to be within the same subnet as its gateway for the routing. However in PPPoE, the public IP has a 255.255.255.255 subnet mask, it means that the IP is not in the same subnet as the gateway. I wonder how the host passes the…
Anning Wuwang
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1 answer

Does EIGRP use AS number/process number as it's PORT NUMBER between routers in the same AS/group?

Does EIGRP use AS number/process number as it's PORT NUMBER between routers in the same AS/group? I know that EIGRP does NOT use TCP/UDP; I know that that EIGRP uses RTP as a mechanism to establish a layer-4-like function to keep EIGRP packets…
Mjaryan
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6
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2 answers

SonicWall TZ210 PPPoE on WAN interface, need transparent bridging to DMZ

I've got a SonicWall TZ210 which connects to the WAN via PPPoE on the X1 interface. I've got a /29 subnet routed into the box, and everything is running fine. Now, I need to route one of the WAN IP addresses directly to an internal machine without…
slartibartfast
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1 answer

Configuring ASR9K using xml

I am configuring static routes using xml, and I had a question regarding the structure of the xml. Both of these ways work, and I want to know if there is any differences between them, or do they both do the same thing. Method 1: Using the xml…
Greg Brown
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1 answer

Juniper Private VLAN isolated port on a trunk

I'm trying to grasp the private VLAN configuration on Juniper EX switches. As I understand it right now: Access ports in the primary VLAN (VLAN with no-local-switching configured) are implicitly isolated ports Trunk ports in the primary VLAN with…
Sebastian Wiesinger
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6
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2 answers

Configure radius server via GUI in Cisco WLC

My boss asked me to create a lobby administration for user authentication in a certain Virtual LAN. So I googled for it, and I found out that RADIUS server will work for this. And I've reached this step of configuring the RADIUS Authentication, and…
Safira
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6
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1 answer

Cisco 2148T FEX Port Capabilities Error

Does a Cisco 2148T FEX not support 100 Mb interface speed? When trying to manually configure a host port to run at 100/full on a 2148 FEX I receive an error that states: ERROR: Configuration does not match the port capability
PacketWrassler
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3 answers

Wake on LAN across VLANs in IPv6 network

In IPv4, if I want to send a magic packet to a workstation in another VLAN, I enable directed broadcasts in the remote VLAN and send it to the VLAN's broadcast address. This works great. In IPv6, I can use FF02::1 to send a WoL frame to…
Avery Abbott
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6
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1 answer

Rate limit specific Cisco ISR syslog messages

We have a bunch of ISR 2800s on 12.4(25b) that basically are in production until they die. There are no plans to invest money in SmartNET or purchase replacement fans. We are getting a ton of fan service syslog messages and it is a nuisance with…
Adam Loveless
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6
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2 answers

Is a point-to-point T1 line literally a line in real life?

In Packet Tracer this is how we draw a WAN link, or a T1 link: Does the "red line" here literally means there is a single cable connecting the two routers in real life? If no, then what are the exact devices and their topology in a T1 link?
Noob_Guy
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2 answers

Cisco PBR Question

Ive got 2 sites with an IPSEC connection between them. Each site has a 2921 on the edge. Site A 2921 (gi0/1) ---> <--- (gi0/1) 2921 Site B I am adding a second WAN connection to site A via the third interface on the 2921 (gi0/2). 10.12.x.x Site A…
Charles
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6
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4 answers

Iperf 'set bandwidth' command issues

I am unable to set the bandwidth on both sides using the Iperf tool. When I use the command iperf -c 192.168.1.15 -b 10m -l 32k -w 128k I get this error: --iperf: ignoring extra argument -- 10m --Can't use packet-oriented mode with these…
sak
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