Questions tagged [cisco-catalyst]

A tag for questions related to Cisco's Catalyst line of switches.

22 questions with no upvoted or accepted answers
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How to break apart an IPv6 /56 6rd delegated prefix from ISP into multiple /64 VLANs for use with SLAAC EUI-64? [Cisco]

I have CenturyLink Internet service, and they have a 6RD IPv6 deployment where they hand out an IPv6 delegated prefix /56 block to me and allow me to use it as I wish. My Cisco ISR router receives the ...
2
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0answers
42 views

Private VLANs implementation

So, I have campus LAN, implemented as many VLANs with InterVLAN routing, that spreads on tens of L2 switches and one L3 switch. Now, I have request that hosts on one VLAN don't see each other. But, ...
1
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0answers
54 views

Cisco QinQ - More than one s-vlan on dot1q-tunnel for the same c-vlans

I have a scenario where I have 3 service vlans (10,20,30) from a trunk port and need to brige our customer vlans (100,200,300,400) between all the service vlans. I need to do it all in the same switch ...
1
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0answers
44 views

Policy Map issue on c6848x 15.2(02)SY

I have a problem creating traffic shaping on c6848x. I need to set shaping on output interface to limit and shape traffic to 100 MBs. So far I did this: class-map match-any 100MB-OUT match any ...
1
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0answers
85 views

Cisco stacking - priority and number information

In case of switches stacking, where are stored the information about the switch number and the switch priority ? After a reset, these information were conserved.
1
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2answers
8k views

Switch 3550 password default password

What is the Cisco 3550 default password? I lose the password due some power outage while I was programming. I did reboot, and try the recovery password but doesnt work.
1
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0answers
642 views

Packets are disappearing

I have a server HP DL180 G6, connected to a Cisco switch (4948E or 2960). The server have 2 ethernet ports and ILO shared with data port #1. ILO setted up to request ip from DHCP. 1) When I connect a ...
1
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0answers
2k views

SNMP Stopped working on Catalyst 3560

Got an alert from Observium this morning that one of our spine switches is down. Seemed a little strange. If this was the case, other things would be alerting too. Turns out the switch is up and ...
1
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0answers
274 views

How to configure vlan mapping with VPLS on Cisco 6500 routers?

I'm using VPLS to extend vlan x from site1 (Cisco C6500) to two remotes sites (Cisco C6500) site2 and site3 over MPLS. The issue I'm facing is that a vlan with the same number already exists in the ...
1
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0answers
56 views

Mirroring private vlan on catalyst switches

I currently have a catalyst switch configured with private VLANs and would like to mirror that traffic to an external system. I have tried creating a monitor session for the VLANs involved but that ...
1
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0answers
113 views

Setting up WiFi with new Sonicwall across existing network

I am trying to set up a new WiFi AP in our HR building. There is a closet in the HR building, with a switch connected by fiber to our main network closet, then to another network closet where the ...
0
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1answer
88 views

High RX Pause Frame on Cisco 2960X

I have a Ruckus R310 that connected to Cisco 2960X and I saw a high RX pause frame. show flowcontrol interface gi1/0/1 Port Send FlowControl Receive FlowControl RxPause TxPause ...
0
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0answers
33 views

Using QinQ without extra switch

I was wondering if it's possible to use QinQ to send all traffic from a switch out on one interface using a QinQ tag on all frames. What I need is to setup a wireless link between two sites using two ...
0
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0answers
19 views

connectx-3 qsfp to cisco 6509 sup720

I have an hp connectx-3 ib/10gE card flashed to the 2.77 firmware[Latest i think], in the Ethernet port I have a HP Mellanox 655874-B21 HPE QSFP/SFP ADAPTER which goes to a MC3208411-T Mellanox ...
0
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0answers
98 views

ASA ping outside to inside private ip's?

i am new asa and cisco as well , what i am trying to do to perform this lab , only 1 issue is there , i need help in it, i can ping from pc0 to router0 in other way I can ping inside to outside , but ...
0
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2answers
242 views

Cisco Port forward ip nat inside source static ... Invalid

This is almost the same question as How to setup port forwarding on Cisco Router running Version 15.2(4)M6. The problem is that the command used in the answer is not available: ip nat inside source ...
0
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1answer
216 views

Best practice / advice for cisco 3560 behind Virtualised OPNsense

Currently I run the below scheme. The problem is that when ESXi is down it takes down all the network with it, so I have to boot up another router to log in to it. WAN > OPNsense (in ESXi)> ...
0
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1answer
3k views

intervlan routing with PfSense

I Need some guidance on getting my lab networking configured. Any support is appreciated. My Lab consists of: 2 cisco switches: 2960s(access layer 2) and 3750X(ip routing/layer 3) Xenserver with ...
0
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0answers
128 views

Cannot create connection between two routers in same VLAN via switch

I currently have a Cisco 2960-24TT switch (switch1) and a Cisco 1841 router (router1) that form part of my core network connecting other VLANs and devices. The two ports on router1 have been ...
0
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0answers
95 views

Cisco C3750 and PRTG netfllow

I have a core switch (backbone) of our network that broadcasts all the vlans to other switches. I am trying to configure netflow on the switch and link it up to a Netflow sensor on PRTG. I followed ...
0
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0answers
72 views

Cisco Catalyst QoS queuing model

How Cisco Hardware queuing model (like 1p7q4t for Cat6800) are related to traffic classes (class-map) ? How assign the X traffic class to Y hardware queue ? Also, if only 6 classes are configured, ...
0
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0answers
380 views

SNMPv3 traps on Catalyst 9500

with our new Catalyst 9500 switches we want to use snmpv3 to send traps. Thats what I configured: snmp-server engineID local 1234567890ABCEDF snmp-server group SG_SERVERFARM v3 priv snmp-server trap-...