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1500 questions
6
votes
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
votes
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
- 163
- 4
6
votes
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
- 63
- 1
- 3
6
votes
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
- 1,793
- 9
- 16
6
votes
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
- 3,129
- 7
- 33
- 51
6
votes
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
- 521
- 5
- 16
6
votes
3 answers
Routing 101 help with two CradlePoint Routers
*edited to be more specific
I have two mobile trailers and two retail stores. The trailers travel around the country as a mobile retail store. Each location is running a IP scheme as 192.168.1.xxx, 192.168.2.xxx, 192.168.3.xxx, 192.168.4.xxx…
Matt Winer
- 163
- 5
6
votes
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
- 121
- 6
6
votes
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
- 69
- 2
- 2
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6
votes
0 answers
EVPN MAC Advertisement route not installed to L2 forwarding table
I have a VLAN-based EVPN connecting two sites in a lab environment based on the network topology described in the DAY ONE: USING ETHERNET VPNS FOR DATA CENTER INTERCONNECT book:
For some reason, it looks like the MAC Advertisement routes from…
Martin
- 963
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- 55
6
votes
1 answer
How does a Juniper PE associate frames from the CE with correct route in .l2vpn.0 table in case of Kompella L2 VPNs?
Let's say, that I have a following simple BGP-signaled L2VPN configuration:
root@PE4> show configuration routing-instances
vpn-b {
instance-type l2vpn;
interface ge-0/0/0.515;
route-distinguisher 65512:200;
vrf-target…
Martin
- 963
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- 29
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6
votes
1 answer
How to aggregate a routing table given IP addresses and their subnet masks
Novice networker here.
I can't seem to find any straightforward answers online.
Example:
IP SUBNET NEXT HOP
> 129.10.112.0 255.255.255.0 R1
> 129.10.80.0 255.255.255.0 R1
> 129.10.0.0 255.255.0.0 R2
>…
user5032
- 1,459
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- 11
- 6
6
votes
2 answers
Can a client-side outbound TCP port be reused concurrently for multiple destinations?
Can a client-side outbound TCP port be reused concurrently for multiple destinations?
If it's possible, this would let NAT gateways milk an IP Address much more, and make it practically impossible to have Ephemeral port exhaustion.
I guess there are…
Kind Contributor
- 973
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6
votes
2 answers
BGP traffic management
I have a set-up of two AS's, each AS with two routers (BGP turned up with neighbouring between AS) communicating with each other.
I also have specific networks inside the AS's in which I want to use a specific route/link to the other AS, say VOIP…
DevM
- 101
- 4
6
votes
2 answers
OSPF manual neighbor configuration requirement on NBMA network
Why are OSPF neighbors manually configured on NBMA networks even when you enabled it with the broadcast keyword in frame map statements?
Example is NBMA point-to-multipoint access.
Thanks.
Jim
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