Cisco Switching/Routing :: 5500 ARP Entries And Support For VMs?

Jul 15, 2012

How many VMs can a pair of 5548s support? Remember, for each VM, I will have an ARP entry in the 5500 ARP Table (assume 5500 is the L3 default gateway).

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Cisco Switching/Routing :: How Many Route Entries Does 3945E Or/and 3900 ISR G2 Support

Dec 1, 2011

I have a question concerning about how many ospf and bgp route entries does 3945E isr g2 router support?

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Cisco Switching/Routing :: How Many Route Entries 2821 Or 881 Router Can Support

May 21, 2012

One of our client wants to know "How many route entries a 2821 router or 881 router can support" Such as the 3750 can support 11k routes in ‘desktop routing’ mode. But I want to know the limitations on routers.

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Cisco Switching/Routing :: Nexus 5500 Support OSPF ECMP?

Jan 8, 2013

Does the Nexus 5548/5596 switch support OSPF ECMP?
Also on OSPF and ECMP, the load-balancing method at the multiple links for Catalyst 3750 is per IP packet or per destination IP?

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Cisco Switching/Routing :: Nexus 5500 Support Auto Negotiation On 1gig Sfp Port?

Jul 28, 2012

Nexus 5500 support auto negotiation on 1gig sfp port? There is an end device that only support auto negotiation and cannot be manually set speed/duplex.

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Cisco WAN :: Routing Table Entries Support On 1921 / K9?

Nov 27, 2012

Is there a Table which the list the route table entries on Cisco ISR Router especially ISR 1921 Router.

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Cisco Firewall :: How Many Route Entries Can ASA5520 (8.2.1-k8) Support

Sep 24, 2011

how many route entries can ASA5520 (8.2.1-k8) support?

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Cisco Switching/Routing :: ME3400 Limited CDP Entries

Apr 4, 2013

I have the ME3400 deployed in an the following design. 8 100Meg ports connects to Cisco 2955s, and the 1Gig port uplinks to a Cisco 3560. My CDP neighbour table only shows an entries for the uplink Gig port. If I look at the CDP stats in the show cdp Interfaces Fastethernet 0/1,, I see CDP packets being sent every 60, but nothing returning.

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Cisco Switching/Routing :: Stale ARP Entries On 6500 Running IOS?

Sep 11, 2007

On occasion I will have to clear the ARP cache on a 6500 when a customer swapeeds out a firewall or firewall NIC.  The ARP cache will show the MAC of the previous device and will not update until either the ARP table refreshes dynamically (currenty at default time) or it is cleared manually.
Sometimes I need to clear it manually and sometimes is is refreshed dynamically when the new device comes up.  Inconsistant issue.... 
Under what circimstances will an ARP entry NOT be refreshed when a firewall or firewall NIC is swapped out.  

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Cisco Switching/Routing :: 6509 - Maximum ARP Entries On Sup720?

Jan 13, 2008

Just a very quick one.  Is there any physical limitation to how many ARP entries a 6509 and sup720 can have?

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Cisco Switching/Routing :: Clarification On ARP 1700 Received More Than 30 Entries

Apr 15, 2013

As a matter of fact i am new to this field .I have cisco 1700 series router which has ea0 and FE 0 port
E0 connected to LAN and FA0 for ISP ,both are configured wit publisc ip.and ststic route to ISP. (E0 connected to switch and fa0 connected to ISP MUX)
When i issued sho arp command i have received  more than 30 entries of  MAC and IP  address . I am wondering how i received this much mac in arp table.

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Linksys Wireless Router :: How Many Port Forwarding Entries Does WRT310N Support

Dec 13, 2011

I want to upgrade my router but I need a router that supports more port forwarding entries for my applications.  I have my eye on the WRT310N router but I need to know how big its port forwarding table is.

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Cisco Switching/Routing :: 6509 / Mac Address Error Message No Entries Present

Dec 6, 2012

I am receiving this error after connecting a copper adapter on a GBIC blade in a 6509. Here are the results from the show Interface.  I am waiting to confirm the device on the other side settings but as far as I see I get UP and Up for protocol and line respectively.
GigabitEthernet2/11 is up, line protocol is up (connected)
Hardware is C6k 1000Mb 802.3, address is 0009.11e4.f3ce (bia 0009.11e4.f3ce)
Description: RCPBSDEV
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set


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Cisco Wireless :: OfficeExtend Support In 5500 WLC Datasheet

Sep 11, 2011

Whats it "OfficeExtend support" in the 5500 WLC datasheet?.I dont see nothing about this in the WLC configuration guide release v7.0.116.0.Is this the same as OEAP?. Is the OfficeExtended (or OEAP) supported on the 1140 APs?. If so where can I get a guide to configure this?.

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Cisco Wireless :: AP Models Which Support 5500 Series?

May 25, 2012

are there any AP models which support 5500 series and dont support 4400 series. Actually we are looking to get some new AP with higher bandwidth and External Antenna How to differentiate between AP models with clean air feature supported and not

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Cisco Switching/Routing :: Two ASA 5500 VPN But Only One Pings?

Dec 19, 2012

I have two cisco asa firewalls connected through a VPN, one is 5505 and the other is a 5510. From the 5505 I can ping the internal interface of the 5510, but not vice versa. Would that be a NAT issue? I used the ASDM to configure the VPN tunnels with the wizard for IPsec site to site.

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Cisco Switching/Routing :: Setup IP On Nexus 5500?

Apr 19, 2013

How to you setup ip routing on a Nexus 5500 I want to do vlan routing between an Nexus 5500 and Catalyst 3750. Nothing clever just have the 2 switches talk and vlans route between the two.

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Cisco Switching/Routing :: Error Log On 5500 Series?

Feb 3, 2012

:  %DATACORRUPTION-1-DATAINCONSISTENCY: unterminated string in buffer of  length 129, counted: 129 -Traceback= 4027CB2C 402B1E88 4052884C 40528A48  40528D08 40529188 40529358 403247E8 403247D4

Cisco Internetwork Operating System Software
IOS (tm) C5RSM Software (C5RSM-ISV-M), Version 12.2(46), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2007 by cisco Systems, Inc.
Compiled Thu 26-Apr-07 19:41 by pwade
Image text-base: 0x40010948, data-base: 0x410F41D0


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Cisco Switching/Routing :: Recommended NX-OS For Nexus 5500

Mar 17, 2012

Is there an official Cisco-Page with the always-up-to-date recommended NX-OS-Releases for the Nexus 5000, just as there is URL
If there is no such page: What Release can be recommended?
We got new N596 & N2232 this week, and are using L2-LAN only, no L3,no FCoE- or FC-Ports. The command 'vPC orphan-ports suspend' is the newest feature used, so 5.0(3)N2(1) would be the oldest possible release.

Before I install 5.1(3)N1(1a) and then have to do a distruptive downgrade to 5.0(3)N2(2b), I'd like to be assured that the new one is already recommended as mature enough.

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Cisco Switching/Routing :: WLC 5500 Controller And Client Connectivity

Nov 20, 2012

Having an issue with my WLC 5500 and client connectivity. This just started today. Clients will connect for a short period of time and then drop off. WLC appears fine with the exception of a bunch of trap errors. I've rebooted the WLC but this did not clear the issue.

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Cisco Switching/Routing :: NEXUS 5500 NX-OS Configuring SNMPv3

Jan 16, 2012

IOS we used for limiting access for a group we used configuration of snmp-server views like following
snmp-server group backupgroup v3 priv read backupview write backupview access 20 snmp-server view backupview ccCopyTable included could not find out how to achive this config in NX-OS on Nexus5500

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Cisco Switching/Routing :: ASA 5500 - IP Directed Broadcast - Wake On Lan

Dec 17, 2007

how to configure the ASA 5500 with "Directed Broadcast" for Wake of lan from other networksegment. we want pass traffic from network to DMZ Network to turn on the server with Wake on Lan.
I read something about "Static NAT" but how do i make this one?

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Cisco Switching/Routing :: Nexus 5500 / 7000 - Dependencies On VTP

Jun 26, 2012

Are there any dependencies on VTP on the Nexus platforms like the 5500 or 7000? In IOS P V LAN required VTP Transparent mode however I cannot find any reference to this for the Nexus platform. Are there any other features that would require the use of VTP? By default VTP is turned off on nexus and has to be enabled with the feature command so is there any benefit to running VTP in transparent mode vs off?

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Cisco Switching/Routing :: Nexus 5k / 5500 And 802.1AE - Layer 2 Crypto

May 4, 2011

There is very little and quite diverse Information regarding the if, where and how of a Nexus 5000 or 5500 series Switch and support for IEEE 802.1AE Link Layer Encryption (also called MACsec).
For example: the official FAQ denies that the Nexus 5500-series supports 802.1AE at all, while the data sheet says that only "downlink ports" are supported (host access).

On the Nexus 7000 platform the 802.1AE link layer encryption is part of TrustSec (feature cts) and much better documented.
The Question is: If and under which circumstances (configuration, L3 modules, license, NX/OS version) does a Nexus 5k or 5500 series Switch support 802.1AE on 1G or 10G interfaces that are directly connected to a Nexus 7000 (with the necessary cts feature licensed/configured)?

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Cisco Switching/Routing :: 5548 - Possible To Have More Than Two 5500 Switches Peered In VPC

May 7, 2013

We have successfully peered two 5548UP switches together and separately we have successfully peered two 5596UP switches together. Works great and is our standard going forward for data center switching. I've been casting about Google and Cisco looking for an answer to this question:
Is it possible to have more than two 5500 class Nexus switches participate in a peered vPC configuration? For instance, can I connect a single FEX to four 5500 class switches in a vPC configuration? The question is more academic than actionable. Even if the answer is yes we probably wouldn't be in a position to implement something like this for a while.

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Cisco Switching/Routing :: Nexus 5500 Duplicate ICMP Echo-replay

Nov 24, 2012

I am experiencing inconsistent echo-replay from devices connected via VPC to Nexus 5500s while pinging from the Nexus exec prompt.

In some cases I receive normal response when pinging from one Nexus,  but no response when pinging from the other switch. In other instance I receive normal response to one Nexus, and duplicate replays to the other. It looks like a VPC related bug. NXOS is 5.1.3.N2.1
5501# ping
PING ( 56 data bytes
64 bytes from icmp_seq=0 ttl=253 time=8.585 ms
64 bytes from icmp_seq=0 ttl=254 time=9.227 ms (DUP!)
64 bytes from icmp_seq=1 ttl=253 time=1.011 ms
64 bytes from icmp_seq=2 ttl=253 time=8.097 ms
64 bytes from icmp_seq=2 ttl=254 time=9.429 ms (DUP!)
64 bytes from icmp_seq=3 ttl=253 time=18.195 ms
64 bytes from icmp_seq=4 ttl=253 time=8.807 ms(code)

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Cisco Switching/Routing :: Layer 3 Module Required For 5500 Series Switch?

May 16, 2013

We are working with a contractor to upgrade our network, and I heard from them that the 5596/5548 might not need the Layer 3 module for our inter-VLAN routhing.  They have yet to give me an answer.
We do have a few static routes on our current layer-3, core switch too. 

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Cisco Switching/Routing :: Prioritization Of Voice Traffic On An Uplink On Nexus 5500 Based On DSCP EF?

Jan 20, 2013

I have a Nexus 5500 which is the core of our network and we have access layer switches uplinked to it. I know by default the qos markings will be trusted.

1. On a trunk uplink from an access layer switch to the Nexus, I have "mls qos trust dscp". Will the DSCP marking be preserved when it reaches the Nexus?

2. How do I do prioritization of voice traffic on an uplink on Nexus based on DSCP EF?

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Cisco Switching/Routing :: Nexus 7010 / VSS - Does It Support Virtual Switching?

Apr 9, 2010

Does the nexus 7010 support virtual switching yet?  All of the posts I have found from about a year ago say that it is going to be supported, but there were no dates listed.  I heard the same thing from Cisco a while back, but haven't followed up with it.If it is supported finally are there any configuration guides available for it?

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Cisco Switching/Routing :: Does Catalyst 3550 Support Inter Vlan Routing

Jul 24, 2007

Does Catalyst 3550 switch support inter vlan routing ?

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Cisco Switching/Routing :: Nexus 5010 Support For Inter VLan Routing

Jan 10, 2012

Can nexus 5010 supports inter v lan routing , as there is no core switch and router available in current network.

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Cisco Switching/Routing :: 2960 Switch Support IP Routing?

Nov 16, 2011

Does the Model "WS-C2960-24PC-L" Supports IP Routing or not?

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Cisco Firewall :: Support Of Jumbo Frames On ASA 5500 Firewall Appliance?

Feb 28, 2010

Can any ASA 5500 in particular the ASA5510 firewall support jumbo frames (i.e. greater than the default standard 1500 Bytes frames)?. I plan to use the ASAs to setup a point-to-point IPSec tunnel and need an Application frame of 4Kbytes intact and not segment it.I have done little checking on the Cisco Website and see it mention of Jumbo frames on the 5580 on 10Gig interface but didn't see mention 5510. 5580s are way over-kill and expensive for what I need is to run a mission critical one IPSec point-to-point with maximum of no more than 100Kbps so 5510 is perfect for me but not sure if it can carry the jumbo frame?
On the routers and switches it's the MTU settings and they are configurable per interface and I am OK and the circuit is T1 which the Telcos said it's OK since it's physical layer so the only unkown is the firewall.

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