Cisco WAN :: 7609-s Switching And Routing Path Not Match
Jun 13, 2012
I've Cisco7609-S with IOS 12.2(33)SRC2 met an issue is that "show ip route x.x.x.x" and "show ip cef x.x.x.x" shown next-hop is not actual switched next-hop.
For example, "show ip route 192.168.1.1" and "show ip cef 192.168.1.1" shown correct next-hop is 10.1.1.1, but the traffic destine to 192.168.1.1 actually not through 10.1.1.1, but always through the default route next-hop. Everything works normal after rebooted the router. Suppose it should caused by a bug? BTW, my Cisco7609 is runing BGP with ISP which received about 10K routes.
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Nov 24, 2011
We have some ME3800MX router/switches running ME380x-UNIVERSALK9-M), Version 12.2(52)EY2. The Cisco website says:
The switch does not support these Cisco IOS router ACL-related features: # •Non-IP protocol ACLs (see Table 26-1) or bridge-group ACLs
how we would match ICMP traffic then?
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Apr 26, 2013
i want to ask , how to match youtube in my qos, i want to give youtube the best priority in the rush hour. currently im using an acl that match the ips of youtube but i think its not sufficeitt :
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Oct 18, 2011
I am facing an isssues with 7609 for LAN switching , based on LAN (VRRP/HSRP) feature.Actually we are having ES+ cards (on 7609) and we are using multiple groups(say 350 vrrp groups) running on the router . the routers are connected as router 1>>> mux(which is working as switches)>>> router2
my questing are
1. does their will be "multicast packets" (for VRRP/HSRP group) "from backup router to Master router", when in stable state( ie when Master and backup are already chosen) , or the packet from backup to master should be unicast.I know for sure, the packet from master to back is multicast packets denstination to Multicast IP packet and To MAC address.I am not sure but I think from backup to master it should be multicast
2. what is frequency of these packets( from backup to master)
3. As i have multiper group on a single interface ( we are using q-in-q), when the connectivity from router's is broken, then does all the groups will muticast their active roll in the lan sengment "at once" or it will be in a groups say 100 groups at once, and after few ms few 100's and sone ( as is on OSPF or RIP)
we are in between troubleshooting I hope we get the ans( Actul problem we are seeing in the router's that we have 2 ports on active routers and 2 ports on standby router , but we are not seeing muticast on 1 port on standby router where as all other 3 ports are seeing multicast packets) [code]
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Dec 8, 2011
we have bought 2911 router recently has to set up VOIP line seperately for the network we have two two broadband service provider:
1. how can i use 1 line as an active and other line as a failover(when 1 line is down other line should automatically bear the traffic).clear config will be useful. NATTING using MAtch address objects( roughly )
broadband service provider 1: 97.89.X.X 255.255.252.0
broadband service provider 2: 10.0.x.x 255.255.240.0
2. there are only 20 users to set up a voip line now. here we have telecom provider where they should route the traffic to make any international calls( say telecom public ip 200.200.109.110)from lan - wan everything is allowed from wan -lan we have to allow only telcom provider IP(200.200.109.110)
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Mar 7, 2012
On a pair of my CISCO7609-s (engine:sup720-3B IOS Version:12.2(33)SRD4),some interfaces is configured as routing interface but also them are attend MSTP caculation and i really caught BPDU packet go out from these ports. [code]
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Nov 14, 2011
I faced multicast routing problem - There is no multicast UDP stream toward host, although all igmp Joins/Reports/Leaves from the host are correct.
This is Cisco 7609 ip m route debug showing the situation:
369144: Nov 15 15:03:07.370 MSK: IGMP(0): Received v2 Report on Vlan176 from 10.XXX.XX.184 for 239.XXX.XX.46
369145: Nov 15 15:03:07.370 MSK: IGMP(0): Received Group record for group 239.XXX.XX.46, mode 2 from 10.XXX.XX.184 for 0 sources
[code]....
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Mar 22, 2012
How can I receive log file from cisco 7609?
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Nov 28, 2012
My Company use Core Sw 4507R-Sup 7L-E with Enterprise Services License. I has upgraded to use iOS cat4500e-universal.SPA.03.03.01.SG.151-1.SG1.bin
When I use match protocol in class-map, there are only about 10 protocols, and not have those ones I need. I intend to expand the list of protocols to do some Policy-map by loading PDLM. But 4507 is no longer support NBAR. So do we have another way to set Catalyst 4507R with Sup 7L-E recongnize more protocols in match protocol command?
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Feb 16, 2012
When configuring QoS on 3750s/3560s, we're mapping packets to particular interface output queues with commands such as: [code] The command to see what's actually being enqueued, dropped, etc. is: [code]
Note that these queues are numbered 0 - 3, and not 1 - 4. We've been assuming that the first queue number in the "mls qos" (i.e., 1) command maps to the first queue (i.e., 0) in the "show mls qos" command.
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Feb 24, 2012
The top device of my network is cisco router 7609. There are two part subnet of my network, each part use same device type, same running-configs and same network topple: sw6506(to campus)--->sw3560(to buildings)<--->linksys sr324(to offices). IP addresses for manager vlan is 192.168.1.0/24.Suppose we name two part subnet as A and B. the problem is from 7609 I can telnet to every device of part A quickly, but when telnet to each sw3560 of part B,it responses very slowly. And only sw3560 of part B are response slowly, other devices of part B are ok.If I telnet to linksys sr324 first, then from linksys sr324 telnet to the current sw3560, it's ok.I try to capture packets of manage vlan, but there seems no strange things in it.No users of part B report problems, it seems the network is running well. Compare two sw6506s, the only diffirent thing is, there are "overrun" count at each interface in use of part B's sw6506. Each interface traffic is far less than it's capability, but it's "overun" count still increasing at working hours everyday.
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Oct 23, 2012
I'm trying to make MGSCP solution. I have Cisco 7609 with following configuration:
Mod Ports Card Type Model
--- ----- -------------------------------------- ------------------
3 8 CEF720 8 port 10GE with DFC WS-X6708-10GE
5 5 Route Switch Processor 720 10GE (Activ RSP720-3CXL-10GE
7 24 CEF720 24 port 1000mb SFP WS-X6724-SFP
8 24 CEF720 24 port 1000mb SFP WS-X6724-SFP
9 48 CEF720 48 port 10/100/1000mb Ethernet WS-X6748-GE-TX.
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Nov 22, 2011
I have a 7609 with two LAG groups (Etherchannel not LACP) going to two separate devices that DO NOT participate in spanning-tree (Occam gear if you must know). I'm running 802.1w across the LAG groups but the convergence time is terrible! In essence, the 7609 is running spanning tree against itself (between the two blades). What can I do to fix my configuration?
If I disable the ports on the equipment connected to g1/17 & g1/18, it takes ~30 seconds for spanning tree to start forwarding on g2/17 & g2/18.When I bring the ports back up on the other side of g1/17 & g1/18 which are in a lag group, g2/17 & g2/18 immediately go into block mode while g1/17 & g1/18 start learning for another ~30 seconds!! [code]
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Sep 2, 2012
I am having a cisco 7609-S router with the image sup-bootdisk:c7600rsp72043-ADVIPSERVICESK9-mz.122-33.SRD7.bin. Im getting above 95% cpu spike for 10 mins in every 2hrs of interval, after it has been integrated with Ciscoworks LMS version 3.2.1 and added this to HUM. In LMS the HUM polling has been configured for every 1hr to monitor the cpu and memory utilization.
I have gone through the below cisco document and I have configured all of the snmp-server view commands as illustrated in the below website.[URL] After configuring the same, now we are observing the cpu spike every 4 hrs or i would say 5 hrs... I have checked all the settings of ciscoworks LMS and there is absolutely no other jobs are running in the day time... The spike comes every 4 hrs.
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Jun 26, 2012
I would like to perform nondisruptive upgrades on two Cisco Nexus 5010s that currently run NX-OS version 4.1(3)N2(1) to Release 5.1(3)N2(1a). Is this possible? Or, do I need to upgrade to Release 5.0(2)N1(1) first?
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Feb 19, 2012
Nexus infrastructure is pair of N7K switches, with dual homed 5K/2K devices connected, links use vPC. They want to extend vlan's from the 5K/2K side across a L2 path into another DC, this path is only connected into one of the N7K switches, call this 7K switch A.I'm concerned that packets from the 5K/2K side back to the remote DC could get dropped due to the vPC loop dectection process. If a packet from the 5K/2K side traverses the path into the same N7K (7K switch A) as the L2 extension, I dont see a problem. But, if the etherchannel load balance in the 5K sends traffic to the packet to N7K B, in order to get to the L2 path extension to the remote DC the packet gets forwarded across the vPC. My understanding is that this packet will get dropped by N7K A as its local L2 path to the remote DC is up, is this the case?I see a solution is to plug the L2 path into a 2K, but before I suggest this is my understanding of the loop detection process correct?
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Oct 26, 2011
1. How to check the history alarms in Router 7609?
2. How to check whether an Interface was down?
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May 3, 2012
we have a pair of 7609 routers working in Active Standby mode. The version of routers are :- Cisco IOS Software, c7600rsp72043_rp Software (c7600rsp72043_rp-ADVIPSERVICESK9-M), Version 12.2(33)SRD4, RELEASE SOFTWARE (fc2)
Quiet frequently we are getting High CPU load problems on our router and this load comes down below 10 % automatically.
I am attaching the Show tech support for your kind consideration.
Similar issue was reported yesterday as well for which i have attached SH tech suppot.
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May 8, 2012
May I know how to manually set the priority (root ID and bridge ID priority) and for spanning tree? Which one should I use based on the command below? and how does it affect the path cost of it?
set spantree root 1
spanning vlan1 priority 4096
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Sep 6, 2012
Is there a known bug for Nexus 7K version 6.0(4) related to route redistribution?I have few vlan interfaces and being redistributed to the BGP.vlan interfaces are all up ang pingable.After configuring redistribution, vlan route is not in the bgp table.sho ip bgp is saying "path invalid"
BGP routing table entry for 10.165.101.192/28, version 26302
Paths: (3 available, best #3)
Flags: (0x180c0021) on new-list, is not in urib, need resync with RIB, exported, has label
vpn: version 47719, (0x100002) on xmit-list
local label: 492294
[code]....
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Feb 12, 2013
Lets say i have 2 3750 switches stacked via backend stack cables. Now if a packet needs to go from 1 switch in the stack to second switch in the stack, will it travel via stack cable or do we need to connect both switches via uplink ports (ethernet or sfp). I tried reading datasheet but it no wheres mention the actual frame path between switches in stack.
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Jun 11, 2012
I have an issue that I am trying to track down. When I have 2 servers on the same VLAN on my AS pair, all is good because nothing leaves the switch. Where the issue is, is when I have 2 servers on different VLAN's and it requires a hop across the Core router pair. This hop drops the throughput rate by about 20-25% (from 44M to 35-36M)I think I know the issue, but want some input to from other to make sure I am not off-base. I have a pair of 6509E chassis' running Sup720 (VS-S720-10G) with CEF720 (X6748-GE-TX) modules. This is my Access Pair running VSS to look as 1 switch.
These tie into the Core pair of 6500E chassis' running Sup720 (Sup720-3B). This issue I see is that the core has a CEF720 card (6724-SFP), but the AS pair does not connect to the core on that card, they connect on a RJ45 Ethermodule (6148A-GE-TX) card. Would the fact that the AS pair does not connect to the core on the CEF7220 module on the core, cause the traffic to not make use of the CEF features of the Core and make each packet then have to be processed by the core instead of Express Forwarded?
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Sep 11, 2012
I am in the process of upgrading our stack of 4 switches consist of WS-C3750G-48PS. Upon reading release notes found that there are two versions of release notes 1 day apart, the one 02 Sep 2012 saying that WS-C3750-48PS is not supported in this version. Then in release next day 03 Sep 2012 that note has been removed. Which one is correct. Is it supported with my model of switch or not.also unable to update boot path in the stack switches, "switch all" is not supported in the current IOS. Master switch has new boot path but unable to change in slaves.
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May 5, 2010
have just set up a WLC 4402 as a Guest WLAN controller on the DMZ of our network. I have successfully managed to get our internal controllers to connect to it, with the exception of 1. it says the control path is up but the data path is down. the other 14 controllers worked fine, and in testing the last one was OK but it is now not working properly. the 2 controllers can ping each other but just won't create the data tunnel. there is a firewall in the middle but that has been set up to allow traffic between the 2 groups of controllers to be unrestricted.
the internal controllers are 4404's and all controllers are running the same version of code. 5.1.151.0.
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Apr 12, 2013
Here is the current logical routing path of the network I've inherited:ISP_ASA_1800 --- P2P link_ LAN, However, the equipment is setup up in this inefficient physical topology: Internet_ASA_LAN switch --- 1800 --- P2P link_LAN, The 1800 is the default gateway for all LAN hosts. This means that all traffic not destined for the LAN goes first to the 1800 which has routes for the Internet and for the P2P. If traffic is destined for the P2P, this is no problem. If traffic is destined for the internet, then in my opinion this is an inefficient routing path because the traffic ends up doing this:LAN host > switch > 1800 > back to the same switch > ASA > Internet, So I am thinking of setting up the physical topology to match the logical topology like this:Internet, ASA_1800 ---- P2P link_LAN switch_LAN hosts This means I will connect the 1800 and ASA directly to one another. Am I on the right track? Is this the best way?
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Dec 14, 2011
We have a lab network set up with a 7609 router as the central core. Scenario: Laptop with a SIP client. In the lab is a session border controller that will route signaling and media to a SIP gateway with a call agent (172.23.112.201) and a media "handler" (172.23.113.6). The call processing device will forward packets to an RF network (108.x.x.x) where an NCS cable modem sits.Call signaling works perfectly fine. However, RTP traffic from the laptop to the NCS phone is getting routed incorrectly. RTP traffic from the phone to the laptop works fine. [code]
Packet captures show the laptop to phone RTP packets are being routed back towards the corporate router. These time out with ICMP TTL exceeded packets. There are static routes for 172.23.113.0/27 to the optical interfaces that go to the SIP gateway. Interestingly, I can ping an IP on the SIP gateway (not used for media, but is pingable) in that static range (172.23.113.1) just fine from the 7609 (i.e. it's not getting routed to the corporate router). Unfortunately, the IP for the media endpoint on the SIP gateway is not pingable. Config for the 7609 is attached.
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Apr 3, 2012
I'm studying for a Cisco certification and I'm trying to wrap my head around the routing. I understand how routers work for the most part and how the get updates about networks and how many hops away they are, but I don't get what happens when a router doesn't know the path to a network.
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Feb 21, 2011
We have pair of Cisco Nexus 7018 with four eight port 10gig modules.I have created two VDC's with mixing 10gig ports from diffrent modules.Now we requied some one gig SFP ports and we are planning to buy 48 port 1gig sfp+ card.My question is can
1- Can I still mix and match 1gig and 10 gig ports in two different VDC's? (1-24 for VDC1 and 25-48 for VDC2)
2- All 48 port module hve to allocate to one VDC which alreday have all 10gig ports.
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Apr 1, 2011
If I want to use the command match protocol xxxx when configuring traffic classification for QoS, is necessary to have the following licence?
-FLASR1-FPI-RTU
-Flexible Packet Inspection RTU Feature License for Cisco ASR 1000 Series.
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Feb 20, 2013
I have a problem with latest Anyconnect Mobile clients, on any device(iPhone,PC..) I have this error message.Anyconnect cannot verify the VPN serverAll certificates(rootCA,userCER) - installed on client side, all of them are trusted.
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Feb 1, 2011
I'm getting an "ACL does not match proxy IDs" error that I'm not able to troubleshoot, googled this with a lot of results, tried some; but nothing applied.I have setup 2 tunnels, 1/one from a pix 515e (office) to an ASA 5505 (hosted server) for my guys to access the hosted server2/A second one from the ASA 5505 to my client's firewall so that its equipments can reach the hosted server and from the hosted server reach the equipments.Both tunnels are working fine, my issue comes when I'm trying to join my clients equipments from my office, ie cascading the tunnels.
This is the first time I'm trying to cascade some tunnels, no issues with other vpns I have been building.I'm joining the configuration of the pix and the asa and an extract of the syslogs showing the error, any obvious error I haven't seen!
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Apr 18, 2005
I am currently using a Cisco 1751 w/ 1-WIC-DUS-T1 to connect our branch locations via Frame Relay. I will be adding 2 new locations in about 2 months. What is the 1800 series match for the router I currently use and is there and performance advantages?
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Feb 24, 2011
This is happening to me to multiple computers on my domain. When it happens i can only log in as a local user or if I unplug the network cable, log in and then re-connect the networkThe time on all these machines is correct within at least 1 minute but still it's throwing off this error. When reading about this problem I see many fixes that all relate to how to sych the time on the PC.
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