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 WAN :: Cat3560X - EIGRP Entries Missing In Routing Table

Sep 19, 2012

I have got two L3 switches, Cat3550 and Cat3560X. Cat3550 is present at head office and Cat3560X at the branch office. Both connected by 10MB LES link and have VLAN74.

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Cisco Switching/Routing :: IP SLA Support On 1921/K9 Or 1921-SEC/K9?

Oct 5, 2012

We want to puchase new Cisco ISR 1921/K9 .   i want to know does it support the following sample IP-SLA commands
ip sla 2icmp-echo 500frequency 1ip sla schedule 2 life forever start-time now
track 10 rtr 1 reachability
delay down 1 up 1
track 20 rtr 2 reachability
delay down 1 up 1 
ip route track 10ip route track 20
Im asking above question because we will need to enable ip-sla  on  the mentioned router.   as i read on the cisco webside, it says Cisco-ISR-1921/K9-IP Base  support only  IP-SLA RESPONDER  feature nothing else. If  Cisco-921/K9  does not support the above commands , should i go for ordering Cisco-1921-SEC/K9 ? 

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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 Security :: PIX 515E - How Many Entries Can NAT Table Have

Oct 29, 2012

how big the NAT tabel for a PIX515E is? how many entries can it have?

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Cisco WAN :: 2612 And 2610 Maximum Number Of Nat Translation Table Entries

Jan 7, 2013

what is the size of nat table for cisco router 2612 and 2610 and what is the maximum number of nat translation table entries

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Cisco WAN :: Maximum ARP Cache Entries For ISRg2 1921 And 887VA Devices

Feb 23, 2011

We are looking to find the number of maximum ARP Cache Entries for 1921 and 887VA series Routers. Do they go upto a limit that memory allows, or is there a maksimum arp cache entry limit for both of the router types?

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Cisco WAN :: 1921 - Route Table Error

Sep 30, 2012

We have Cisco 1921 routers that a provider is using for MPLS. They have it configured so that all internet trafic is passed to an internal ip address that is our proxy server. However, they are pushing all of the routing rules down to the workstation which is causing the local route tables to grow to be massive in a very short time.
For example, the second I ping a website, the ip address is resolved and then the route is added for the source ip address with the default gateway of the proxy server.
Is this normal? I would have thought that all the rules would have been handled by the router and let it keep the table entries.

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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 WAN :: WS-SUP720-3B - 2 Full BGP Table - Maximum Routing Table?

Jan 16, 2013

In datasheet of  WS-SUP720-3B - link- was said that are only supported around 256K routes (fib?rib?).With this value I can't get 2 full bgp - that is around 850K ..
The supervisor is that control this or just memory ? I said this because I have a 7204-npe-g1 whith 2 fullrouting and 1G of and he are ok..

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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 WAN :: 1921 And VWIC3-2MFT-t1 Support?

Mar 7, 2013

I was just given a task to setup some T1 connections. We rarely use T1 interfaces anymore as they are typically just not enough anymore. I see the newer vwic3 interfaces are supported on various 2900 series but downloaded the vwic3 configuration guide and noticed that the 1900 series routers were not in the list? Is this correct. So are vwic3-2mft-t1 ehwic cards supported or not on 1921 routers? i can see the controller interfaces but not the ports as there must be additional configuration required. Im running 15.1(4)M4 IOS version that looks to be supporting the cards.

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Cisco VPN :: 1921 Router Q - How Many IPsec Tunnels Will It Support

Nov 8, 2011

I need to know how many IPsec VPN tunnels one Cisco1921 can support reliably. Haven't had any luck sifting through documentation on the web.

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Cisco Application :: Does 6500 SUP720 / 2T Support MAC Address-Table Move Update Feature

Apr 21, 2013

Does 6500 SUP720/2T support MAC Address-Table Move Update Feature?

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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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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 Switching/Routing :: 3560E - HSRP Gateway Failover And Routing Table

Nov 12, 2012

We have two Cisco 3560E layer 3 switches at the core of our network. The switches are configured as an HSRP pair and the clients on our network point to the HSRP address as their default gateway. So if CORE-A dies, then CORE-B will pick up the address and the default route for the clients will continue to be available.We also need to specify a few static routes on the core switch to allow us to get to specific networks. Is there a way to do this so that the routes failover in the same way that the default gateway does?

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Cisco Routers :: RV 042 V3 Advance Routing Feature Causes Static Routing Table Not To Appear

Jan 31, 2012

I tried the "Advanced Routing" Feature over the RV-042 V3 Dual WAN VPN Router , And the New IP Subnet i added ( ) in the Static Routing Table does NOT Appear in the Routing Table of the Router. Please review the attached Print Screen for both the Static Routing Entry Configuration & the Routing Table of the RV-042 Router.

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Cisco Switching/Routing :: RIPv2 Routers Setting Routing Table For R3

Dec 5, 2012

I started using RIPv2 on Packet Tracer. I got two subnets to connect with two routers. After I completed that, I decided to add a third router. How to setup the Routing Table for atleast R3 ?

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Cisco Switching/Routing :: 2911 With IOS Version Is 15.1 - Routing Table Not Updating

Oct 2, 2012

I am using Cisco 2911 & IOS version is 15.1. My problem is that after some days (e.g. 15-20 days), the routing table suddenly stops updating & then I have to enter the default route again to make it up. I am using Track 1 to track default route here. After primary link goes down, the Track is also going down but after coming the primary link up, the track is not coming up. So, I have to add the default route again to make it up.

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Cisco Switching/Routing :: GNS3 - Stub Router Not Updating Routing Table - EIGRP

Nov 14, 2012

We have small which I'm looking to implement and have built this on GNS3.
We have:
Router A in site 1
Router B in site 2
Router C in site 3
Router A and B are connection via a point to point 100M link and from Router C we have a 2 point to point one of which is 5Mpbs and going to Router A and Router B.
For Router C to reach Router A network it will go via Router B and these are 100M connection. When the link between Router A and B goes down. Router C should update and start using the 5m route.
For some reson, the routes are not updating. I have to do 'clea ip eigrp ne' for the routes to update and if I reload the routers all works well, it seems the problem is intermittent.

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Cisco Switching/Routing :: Filter A Specific Host(s) From OSPF Routing Table On A ASA 5550 (ABR)?

May 22, 2013

I am attempting to filter a specific host(s) from my OSPF routiing table on a ASA 5550 (ABR) using LSA prefix lists.  However, when I look at the other routers in that area, I notice that ALL LSA type-3's are being removed (10 hosts are now missing from the routing table). I have verified the filter is working on the ABR, but I can't figure why ALL hosts/routes that were coming into the area are now being filtered instead of the specific one that I want to filter out.
Here is the config on the ABR:
prefix-list pdm_pl_000 seq 10 permit
router ospf 1
network area 0
network area 10
network area 10

The host is actually coming from Area '3'.  Am I doing something that is removing all type-3 LSA's?

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Understanding NAT Table And Its Chains (pre-routing / Post-routing And Output)?

May 28, 2011

I'm learning about iptables, but I don't fully understand the chains of NAT table (prerouting, postrouting and output).I'm specially in doubt about prerouting and postrouting. As far as I know, DNAT can be made with prerouting and SNAT can be made with postrouting, so I think prerouting is for input and postrouting is for output, but the material I'm reading (and another sources) are not clear.

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Cisco Switching/Routing :: 1921 Routing Access From Mixed IP Ranges Between VLANS

Jan 23, 2013

I have the following config using a Cisco 1921.  I am trying to get devices on the the native VLAN to get internet access via the gateway x.x.x.73.Any thing being routed from the other Vlans 15/20/30 can get access, but nothing from an internal IP address.  Is there something I am missing.
The Xs replace the same 3 octets for each interface.I am trying to route from VLANs 15/20/30 to see VLAN 5.  I have tried a few things, in terms of adding extra ip routes, but can't get anything to work.  Each of those Vlans have another router on the other side of them, which I have also tried adding ip routes too, but nothing.  One of the routers (Vlan15 is a Draytek 2830). [code]

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Cisco :: BGP Routes Not In Routing Table?

Feb 4, 2013

We have a BGP / OSPF configuration as shown in the topology picture. When the connection towards Internet is taken down, we expect the traffic to be forwarded toward WAN 2 (preferred) or WAN 1. The problem is that the BGP learned routes disappears when the Internet connection is taken down. The IP routing table on R2 only shows internal networks and the networks between R2 and WAN 1 and 2. No routes to internet is shown. We run "show ip bgp neighbors <ip-to-wan-1-router> received-routes" it contain internet routes. And when we run "show ip bgp neighbors <ip-to-wan-1-router> routes" it contains no routes at all.

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Filling In Routing Table

Dec 8, 2012

I have this routing table which I need to fill in for the network shown in the image attached. guide me to some good resources to understand

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Cisco Switching/Routing :: 1921 VLAN Routing

Aug 1, 2012

I will be installing two Cisco 1921 Routers to connnect a T1 between two offices.  We are changing out our current AdTran routers as we would like to bridge three VLAN's across the T1 link.  I followed the instructions at (URL) shtml to the best of my ability and my two Gigabit Ethernet ports are tied into a bridged virtual interface (BVI1).  I then assigned a IP to BVI1 and another to my Serial0/0/0 then made a route to get to the other side of the T1 and a defualt route out our proxy. What I want to do now is setup QoS to make sure my voice data gets priority. 

I setup a QoS ACL called "Voice" with the TCP and UDP source and destination ports that our phone system uses.  I then setup a QoS policy on the Serial0/0/0 outgoing interface called "VoiceTraffic" and under the "match" list I match DSCP 46 or my "Voice" access rule.  For the action I turned on "Queuing" and set it up for LLQ at 50%.  Does this sound about right?  Is there anything els eI can setup?  I tried ot setup something else on the ethernet side but because they have the BVI I can't.  I read some article sin this forum that said I could still apply QoS to the GigabitEthernet ports even if they are in the bridge group but it doens't let me do that.

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Cisco :: How To Remove These L Routes In Routing Table

Apr 2, 2013


How can you remove these "L" routes in routing table?

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