Cisco WAN :: 7609 / Invalid Packet (too Large) Length 34176
Aug 19, 2012
There are many log messages on our three 7609 routers .
Aug 16 06:17:22.664 beijing: Invalid packet (too large) length=34176
Aug 16 06:29:13.102 beijing: Invalid packet (too large) length=34176
Aug 16 06:45:23.403 beijing: Invalid packet (too large) length=34176
Aug 16 16:46:17.245 beijing: Invalid packet (too large) length=34176
Aug 16 16:46:26.257 beijing: Invalid packet (too large) length=34176
Aug 16 17:15:30.621 beijing: Invalid packet (too large) length=34176
Aug 16 17:54:51.775 beijing: Invalid packet (too large) length=34176
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Apr 17, 2012
I was calculating packet amount of MPEG I use byte rate to divide by 188 byte but now i want to calculate H.264 encode video what is the packet length of h.264? is it same 188byte?
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Jan 13, 2011
I've got a lot of these messages in my logs from SVC users:Code:
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Dec 8, 2010
We are working on taking a port off of a switch and connecting it to a mux (TAC 900). Port is trunked to another switch in another geographic location. From wht I am being told from the engineer who handles the transmission end of things he said once our segment is physically connected the mux will crash. He supplied the error code to the vendor and they said it is crashing because of a jumbo packet in excess of 1536 bytes. Soon it will be a moot point as the hardware will be, upgraded but we need tis running NOW.
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Jul 11, 2012
We have two 7609 routers at different city . Our both 7609 routers make MTU 1800 bytes and when I ping the other router with packet (1500 bytes) ,it can get thought .But when I ping with 15000 even 1506 bytes ,it didn.t work .As I didn't disable the DF field .
Internet address is 202.112.38.54/30
MTU 1800 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 96/255, rxload 81/255
[Code].....
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May 20, 2011
Why does DSL CKT gets bounced with delivery of large packet?
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Mar 19, 2012
how I can determine what attribute is coming up as 'invalid' ?Tried full debug and looked at all the logs - nothing.
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Aug 16, 2012
I have been searching the message boards and wasn't having much luck. I am running some monitoring sessions on my 6509 and on the VLAN I am monitoring, I am experiencing a really large packet loss. If we hook up a laptop to the destination port and run wireshark we are seeing between 80% and 90% packet loss. I dont see the packet loss on the show port command, but I do on the show int vlan command.
The config is as follows:
Session 2
---------
Type : Local Session
Source VLANs :
RX Only : 500
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I was doing some reading on Egress vs Ingress and I am wondering if the Egress SPAN replication state could be causing the packet loss that we are seeing or does the ingress & learn command override that?
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Sep 3, 2012
Most of the 4500 Switches in our network are giving the similar error for so many ports
%C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 1 times)Packet received with invalid source MAC address (00:00:00:00:00:00) on p t Gi2/6 in vlan 100
Its impossible to do a wireshark packet tracing for all the ports.
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Feb 14, 2012
Issue I am having with a Cisco 4507? Below is the error i am receiving.
Feb 14 10:06:09 EST: %C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 508 times)Packet received with invalid source MAC address (00:00:00:00:00:00) on port Po10 in vlan 112
Feb 14 18:44:06 EST: %C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 119 times)Packet received with invalid source MAC address (00:00:00:00:00:00) on port Po10 in vlan 112
Feb 15 00:51:06 EST: %C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 366 times)Packet received with invalid source MAC address (00:00:00:00:00:00) on port Po10 in vlan 112
[Code]...
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Aug 17, 2011
making EEM work to show first xx lines of CPU utilization. I found when I put cli command "terminal length 13", the EEM stopped working and timed out after 20 seconds. I have tried IOS 12.4(25d) and 12.2(53) with same results. [code]
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Jan 19, 2012
I've heard that a method to optimize traffic is to use variable length packets. They say that the worst case is in minimum length packet (64 bytes). But I can't understand why.
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Apr 5, 2011
I used 2 PC with gigabit NIC, use cat6 with short cable i've got speed 1000Mbps, but with longer cable(around 30meters) speed is 100Mbps. I'm looking forward to seeing from you soon.
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Jan 22, 2012
I would like to know the meaning of 'set max-parse-length 8192' on ACE.Looking at Cisco documentation I found:"you can set the maximum number of bytes to parse for generic protocols by using the set max-parse-length command in generic parameter-map configuration mode.You can set the maximum number of bytes to parse for generic protocols by using the set max-parse-length command in generic parameter-map configuration mode.' what a set max-parse-lenght is?
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Sep 13, 2012
Is that possible to increase the pre-shared key length from 30 characters to 32?
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Sep 14, 2011
Maximum length of cat 6 lan cable between two switch
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Sep 29, 2012
I am installing a network in my small business and was given a spool of Cat5 cable to run wires... I know the length in feet of cable that I was given, but I was wondering if there is some kind of markers on the cable to tell me how much is left... I will be charged for it by foot after I'm done, and I want to know how much I've used. Do I have to just use a measuring tape? Seems unnecessarily complicated... I've checked the wire but can't see any marker of the length remaining.
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Jan 26, 2013
In order to get from the coaxial jack on my wall to my cable modem I have to run about a 50 foot coaxial cable around the perimeter of the room.Will the length of this cable diminish the speed of my internet?
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Sep 16, 2012
i need to connect modem to computer with the length of 150m. suggest which way is efficient to connect. which cable is efficient. is any medium needed in between.
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Jun 13, 2011
The URL field in the web access log has a length of 70 characters. Is there any way to increase is[INFO] Mon Jun 13 21:30:30 2011 Website1234567890012345678900123456789001234567890012345678900123456789001234567890 accessed from 192.168.xx.xx
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Jan 9, 2013
When you type a command in the terminal, if the command is too long is only displays the last half of it. How do I change it show it give me enough room to view the entrie command?
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Mar 27, 2012
I have a Cisco WISM2 installed on Cisco cat 6509, with 39 indoor (3502i) and 14 outdoor (1310G) Access point, so the problem i am facing is that, the controller recognizes all AP and they are all configured and working well, then the signal of the outdoors (1300) its broadcast in a very short length like 60 meters, and i don't understand this is likely having a problem with a controller software version or ... being at 3m, my card does not show excellent signal strength and yet with the indoor thing are Ok.
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Aug 1, 2012
I connecting to a Cisco ASA 5500 using a third party IKEv1 client. The initial connection and all rekey attempts that start on the client are successful. A tunnel is established, data cna be transferred between the client and the ASA's internal network etc.However, when the ASA initiates rekeying of a Quick Mode SA this is rejected on the client. The rejection occurs due to QM3's HASH payloading having a length of 4, which is wrong.
ASA log:
ISAKMP Header
Initiator COOKIE: 48 81 9e 1b 80 94 41 a9
Responder COOKIE: fa ab 87 c7 a5 d9 8d 35
Next Payload: Hash
Version: 1.0
Exchange Type: Quick Mode
[code]...
Since the initial negotiations work, pre-shared key, IKE/IPsec settings etc should be correct; if they weren't the connections wouldn't work in the first place.
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Apr 25, 2012
Can the Cisco 3750 and Cisco 2911 enforce password length? Is there a default password length? I had read the following:You can specify a password length but not special characters etc..security passwords in-length
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Jun 9, 2013
can anyone suggest the cable length of CAB-C15-CBN?
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Sep 20, 2011
I came across this site. I wanted to produce a better incoming ACL at home and work to prevent known bad sites
Here is their list of the Top 10 Global Spammers is out. The biggest surprise on the list is Korea, as it takes over the number one global spammer spot from China. With the improved high speed internet infrastructure in Korea and ease of network access, who knew Korea would be on the rise.
Here is the complete Global Spanner Top Ten List for the first quarter
[URL]
Korea
China
India
Russia
Turkey
Viet Nam
Ukraine
Brazil
Venezuela
Pakistan
When I sort the list, it is over 16k lines of ACL!
My question relates to what performance limits I would find.
Can I actually put that many lines in an ACL?
Will the router choke and do any other work
I have attached the sorted ACL list for you to review
Any of the following router lines will accept a list that large and still run acceptably?
2811
2911
3925
2945
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Sep 21, 2011
I tried to sign in with my DYNDNS account in the dynamic dns settings and the username field is limited to 15 characters. The problem is that DYNDNS does not limit usernames to 15 characters and my username is more than 15 characters. How can I get them to fix this?
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Jul 11, 2011
I have a scenario with 2 7609s connected through a MPLS service with 10 GE. In each7609 we have a 24 port channelized T1 Circuit Emulation Over Card.
The requirement is in 2 parts. First, we need to provide a T1 emulation service between the 2 7609s T1 cards.
The second requirement is that in one end there is an OC3 port, so the customer wants to send the traffic from this emulated T1 onto the OC3.
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Aug 5, 2011
I have something I assumed but I am not sure if this wrong or not. I assume that every say 1 meter, I can send say 1 bits, so if I have 10 meters of link length, I can send 10 bits of data on that link. Do you have any argument to strongly support this assumption, preferrably a reference.
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Feb 23, 2011
what length does cat6 cable support for networking
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Apr 1, 2012
providing an extension for the below antennas cable length for project related requirements with the AP 1262.
AIR-ANT2506 2.4 GHz, 5.2 dBi Mast Mount Omni Ant w/RP-TNC Connector
AIR-ANT5160V-R 5GHz 6dBi Omni Antenna w/RP-TNC connector
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Jun 26, 2011
I have an ASA 5505 with software version 8.2(1). It is making DHCP requests for IPSec clients that connect to the ASA. The DHCP requests packets the ASA makes have an extra '00' appended to the hostname field, and the length field is the size of the hostname + 1. The DHCP server is Microsoft Server 2003 and this causes the hostname to be registered with an unknown character which appears as []hostname. Then when server 2003 tries to update the DNS record, it fails because of the invalid character in the hostname. Is there anyway to have the ASA have the correct length for the hostname field in the DHCP packet, or a workaround that will solve this problem?
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Dec 2, 2012
I 'm administration an Aironet 1242ag, and we are currently buying an AIR-ANT1728 as antenna. The standard cable for the antenna is 0.9m long, and It could be insufficient for my needs.
So a few questions:
Can i extend it ?
AIR-CAB050LL-R could fit?
The connectors should be 1 male, 1 female?
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