MPLS L2VPN ASR9K and 7600
Am having problem bringing up mpls l2vpn between asr9k and 7609 router . Below is my config. The interfaces are up, the vc working, but can't ping across.
AS9K
interface GigabitEthernet0/2/0/6.609 l2transport
encapsulation dot1q 609
rewrite ingress tag pop 1 symmetric
mtu 1526
pw-class TST
encapsulation mpls
transport-mode vlan
xconnect group TST
p2p TST
interface GigabitEthernet0/6.609
neighbor 2.2.2.2 pw-id 609
pw-class TST
7609
interface gig 3/4.609
encapsulation dot1q 609
xconnect 1.1.1.1 609 encapsulation mpls
***OUTPUT FROM ASR9K********
RP/0/RSP0/CPU0#sh l2vpn xconnect pw-class TST detail
Group X,X, state is up; Interworking none
AC: GigabitEthernet0/6.609, state is up
Type VLAN; Num Ranges: 1
VLAN ranges: [905, 905]
MTU 1512; XC ID 0x1040003; interworking none
Statistics:
packets: received 735789487, sent 725878036
bytes: received 405747931393, sent 184926449749
drops: illegal VLAN 0, illegal length 0
PW: neighbor 2.2.2.2, PW ID 609, state is up ( established )
PW class ENS, XC ID 0xc0000003
Encapsulation MPLS, protocol LDP
Source address 1.1.1.1
PW type Ethernet VLAN, control word disabled, interworking none
PW backup disable delay 0 sec
Sequencing not set
PW Status TLV in use
MPLS Local Remote
Label 17442 847
Group ID 0x80003c0 0x0
Interface GigabitEthernet0/6.609 uknown
MTU 1512 1512
Control word disabled disabled
PW type Ethernet VLAN Ethernet VLAN
VCCV CV type 0x2 0x2
(LSP ping verification) (LSP ping verification)
VCCV CC type 0x6 0x6
(router alert label) (router alert label)
(TTL expiry) (TTL expiry)
Incoming Status (PW Status TLV):
Status code: 0x0 (Up) in Notification message
Outgoing Status (PW Status TLV):
Status code: 0x0 (Up) in Notification message
MIB cpwVcIndex: 3221225475
Statistics:
packets: received 725878036, sent 735789487
bytes: received 184926449749, sent 405747931393
*******7609 OUTPUT*******
Local interface: Gi1/3.609 up, line protocol up, Eth VLAN 609 up
Destination address: 1.1.1.1, VC ID: 609, VC status: up
Output interface: Gi2/4, imposed label stack {0 151644}******************This is my problem no imposed label on 7609
Preferred path: not configured
Default path: active
Next hop: 10.198.64.21
Create time: 00:00:16, last status change time: 00:00:16
Signaling protocol: LDP, peer 1.1.1.1 up
Targeted Hello: 2.2.2.2(LDP Id) -> 1.1.1.1, LDP is UP
Status TLV support (local/remote) : enabled/supported
LDP route watch : enabled
Label/status state machine : established, LruRru
Last local dataplane status rcvd: No fault
Last local SSS circuit status rcvd: No fault
Last local SSS circuit status sent: No fault
Last local LDP TLV status sent: No fault
Last remote LDP TLV status rcvd: No fault
Last remote LDP ADJ status rcvd: No fault
MPLS VC labels: local 505, remote 151644
Group ID: local 0, remote 134218688
MTU: local 1508, remote 1508
Remote interface description: GigabitEthernet0_6_.609
Sequencing: receive disabled, send disabled
Control Word: Off (configured: autosense)
SSO Descriptor: 1.1.1.1/609, local label: 505
SSM segment/switch IDs: 57633/24673 (used), PWID: 28772
VC statistics:
transit packet totals: receive 3, send 0
transit byte totals: receive 216, send 0
transit packet drops: receive 0, seq error 0, send 0
Hello ogungbenro wale,
Would you be so kind to verify the output form 7600, since the config part does not correspond to VC you provided output for:
interface gig 3/4.609 <=
Local interface: Gi1/3.609 up, line protocol up, Eth VLAN 609 up <=
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Which port interface (LAN/WAN, ...) does 7600/SUP-720-3BXL support full MPLS features ?
And does 10GBASE XENPAR Modules support full MPLS features ?
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Thanks,
Arun MohanHello Arun,
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Best regards,
Peter -
(Linecard image not present) at WS-SSC-600 and 7600-SIP-400
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for both cards.
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Number of class maps (QOS) supported on 7200 and 7600
Hi,
Have few queries on class maps for QOS, putting forward for your comments/inputs.
1. Want to know if there are any limitation (s) on the number of class maps (to be applied inbound/outbound) that can be configured on the 7200 and 7600 routers.
2. Is there any imitation on the numbers (of class maps) in general or will it depend on the sum total of BW configured in the classes? I mean which one will be the deciding factor i.e. if the limit is wrt to the configured classes or the number of classes can't go beyond the consolidated bandwidth configured on the interface.
Kindly share details on the same and if there are any recommendations.
Thanks! in advance.From: http://www.cisco.com/en/US/tech/tk543/tk545/technologies_q_and_a_item09186a00800cdfab.shtml
"Q. How many classes does a Quality of Service (QoS) policy support?
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Connecting OC48 Between ASR9K and ASR1K
Hi there.
I don't know the first thing about the WAN something like POS...
Now I'm facing some problem with connecting OC48(POS) between ASR9K and ASR1K.
There are new 9K and new 1K in same server rack for the test.
So i tried to test these for connecting OC48
9K and 1K is directly connected by OC48
9K : A9K-SIP-700 // SPA-2XOC48POS/RPR // SFP-OC48-SR
1K : ASR1000-SIP10 // SPA-1XOC48-POS // SFP-OC48-SR
After connecting these two devices directly, ASR1K shows the interface status is up/up
but ASR9K ... the interface status is down/down.
I didn't configure anything. Do i need to configure something ?
When i connected POS port 1 and POS port 2 directly in the same ASR 9K chassis, the interface is up/up
please help me out
Thank you in advance. :)exactly, so the transmit side of the 9k needs to be connected to the receive side of the 1k.
the transmit side of the 1k needs to be connected to the receive side of the 9k.
download this doc for reference:
http://www.cisco.com/c/en/us/td/docs/interfaces_modules/shared_port_adapters/install_upgrade/ASR1000/asr_sip_spa_hw/ASRsov.html#pgfId-1136398
Another link discussing the type of testing you are attempting:
http://www.cisco.com/c/en/us/support/docs/optical/synchronous-optical-network-sonet/16181-posclocking-16181.html -
WCCP and 7600 - not redirecting traffic
I have a Blue Coat SG 210 connected to a 7600(SUP720). All web traffic is passing thru the 7600, WCCP config between the SG and 7600 are working. However traffic isn;t being redirected to Blue Coat..any idea why?
ip wccp 0 redirect-list BLUE-COAT group-list 90
Extended IP access list BLUE-COAT
1 permit tcp host 10.160.161.125 any eq www
2 permit tcp host 10.160.161.125 any eq 443
10 permit tcp host 10.160.161.199 any eq www
20 permit tcp host 10.160.161.199 any eq 443
Standard IP access list 90
8 permit 10.148.131.42 (2217 matches)
interface GigabitEthernet5/1
ip address 10.148.130.13 255.255.255.252
ip wccp 0 redirect in (I have tried both in/out)
ip pim sparse-dense-mode
ip route-cache flow
ip ospf network point-to-point
sh ip wccp
Global WCCP information:
Router information:
Router Identifier: 10.148.135.253
Protocol Version: 2.0
Service Identifier: 0
Number of Cache Engines: 1
Number of routers: 1
Total Packets Redirected: 0
Redirect access-list: BLUE-COAT
Total Packets Denied Redirect: 0
Total Packets Unassigned: 0
Group access-list: 90
Total Messages Denied to Group: 0
Total Authentication failures: 0
sh ip wccp 0 detail
WCCP Cache-Engine information:
Web Cache ID: 10.148.131.42
Protocol Version: 2.0
State: Usable
Redirection: GRE
Packet Return: GRE
Packets Redirected: 0
Connect Time: 05:52:10
Assignment: MASK
Mask SrcAddr DstAddr SrcPort DstPort
0000: 0x0000003F 0x00000000 0x0000 0x0000
Value SrcAddr DstAddr SrcPort DstPort CE-IP
0000: 0x00000000 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0001: 0x00000001 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0002: 0x00000002 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0003: 0x00000003 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0004: 0x00000004 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0005: 0x00000005 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0006: 0x00000006 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0007: 0x00000007 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0008: 0x00000008 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0009: 0x00000009 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0010: 0x0000000A 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0011: 0x0000000B 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0012: 0x0000000C 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0013: 0x0000000D 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0014: 0x0000000E 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0015: 0x0000000F 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0016: 0x00000010 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0017: 0x00000011 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0018: 0x00000012 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0019: 0x00000013 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0020: 0x00000014 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0021: 0x00000015 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0022: 0x00000016 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0023: 0x00000017 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0024: 0x00000018 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0025: 0x00000019 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0026: 0x0000001A 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0027: 0x0000001B 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0028: 0x0000001C 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0029: 0x0000001D 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0030: 0x0000001E 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0031: 0x0000001F 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0032: 0x00000020 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0033: 0x00000021 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0034: 0x00000022 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0035: 0x00000023 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0036: 0x00000024 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0037: 0x00000025 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0038: 0x00000026 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0039: 0x00000027 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0040: 0x00000028 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0041: 0x00000029 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0042: 0x0000002A 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0043: 0x0000002B 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0044: 0x0000002C 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0045: 0x0000002D 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0046: 0x0000002E 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0047: 0x0000002F 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0048: 0x00000030 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0049: 0x00000031 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0050: 0x00000032 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0051: 0x00000033 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0052: 0x00000034 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0053: 0x00000035 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0054: 0x00000036 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0055: 0x00000037 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0056: 0x00000038 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0057: 0x00000039 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0058: 0x0000003A 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0059: 0x0000003B 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0060: 0x0000003C 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0061: 0x0000003D 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0062: 0x0000003E 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)
0063: 0x0000003F 0x00000000 0x0000 0x0000 0x0A94832A (10.148.131.42)Ilir,
How is this second group of users connected to the ASA? Their outbound traffic has to be going out the "inside" interface also. If they are on another port on the ASA, WCCP won't catch their traffic. i.e. You can't use the DMZ interface on an ASA and point its web traffic at a WSA that lives inside.
Ken -
MPLS TE Bandwidth and Priority
Hi everybody
Hopefully, everyone is doing great. I stumbled upon the following link on MPLS TE bandwidth and priority:
http://blog.ipexpert.com/2009/05/27/mpls-te-bandwidth-and-priority/
it was a very good read. But I am left with one question. How does R2 decide which tunnel to drop? In the example, R2 drops tunnel 1, but how does R2 decide which one to drop?
Thanks and have a great sundayHi Thanveer
I hope you are doing fine. Here is what i found in a book ( traffic engineering with MPLS by Eric, Ajay, great book, still reading it)
There are two priorities:
1) set up priority
2) hold prioritity
Based on the book the code works this way
Imagine we have two tunnels already established and are passing through R3
t1, set up priority 6 hold priority 5
t2 set up priority 6 hold priority 4
Let say R3 just receives a RSVP path request for a new tunnel, lets call it tunnel 3 with set up priority 4 hold priority 6. This tunnel requires a bandwidth which R3 can not accommodate without dropping one of the established tunnels.
Router will take t3's set up priority ( 4) and compares it against the current established tunnel's hold priorities where lower the number means higher the priority. In our example, set up priority of tunnel 3 is 4 and R3 compares it against both hold priorities of established tunnels. R3 then concludes it has to drop t1 to accommodate t3 ( set up priority of tunnel3 is higher than the hold priority of tunnel1)
++++++++++++++++++++++++++++++++++++++++++++++++++++++
what is not cleared is how will router 3 behave if all the established tunnels have same hold priority i.e 4 and a request for a new tunnel i.e t3 comes with the set up priority of 4?
Not sure if R3 just randomly picks any established tunnel and drops it or there is some move involved process that R3 goes through to decide which tunnel gets dropped.
Lets hope somebody way smarter than me might chime in :)
Have a great weekend -
MPLS TE - Link and Node Protection
Hi Guys,
Just revisiting an old topic again - MPLS-TE Link and Node Protection.
Is it enough that the backup path (facility backup as supported by IOS) just merge on any LSR of the protected LSP? It does seem to be that way. For example, consider the following topology -
R1-------R2-------R3------R4------R6
|_____R5____|
The Primary LSP is setup with explicit path R1-R2-R3-R4-R6 and requesting Link-Protection.
R2 protects the link R2-R3 with a backup LSP which has an explicit path R2-R5-R4. The backup LSP merges on the Primary LSP but R4 is not the next-hop to R2 protecting the primary LSP.
This works in my testing but my understanding was that for-
Link Protection - the backup LSP must be terminated on the LSR which is next-hop to the LSR protecting the primary LSP
Node Protection - the backup LSP must be terminated on the LSR which is next-next-hop to the LSR protecting the primary LSP
Your thoughts?
Regards,
Amit.NHOP Versus NNHOP Backup TunnelsMore than one backup tunnel can protect a given LSP, where one backup tunnel terminates at the LSP
’sNNHOP, and the other terminates at the LSP
’s NHOP. In this case, the router chooses the backup tunnel thatterminates at the NNHOP (that is, FRR prefers NNHOP over NHOP backup tunnels) -
7600 platform for MPLS based L2 and L3 services
Hi,
We are planning to deploy 7600s (testing to be done) for L2 and L3 services. Has anyone out there found some issues with both the layers functioning in unison on the same.
Thanks
Cheers,
~sultanHello Charles,
Thanks for you reply, actually I wanted to know more specific details, like IOS and modules being used by others, which you have stated.
I am planning to go for SIP-200 and SIP-400 with STM-1 POS, 2xGIG and FE8 modules.
Services would be EoMPLS, including VPLS and MPLS/BGP IP VPNs.
Thanks
Cheers
~sultan -
Dears
Was checking specs for new CRS-X and would like your feedback please regarding ASR9K vs CRS-X
1- Beside CRS multishelf, why would someone prefer CRS-X over ASR9k ?
ASR9K seems to be more interesting as it provides 440 G/slot however CRS-X provides 400 G/slot. Also I believe they support nearly same range of interfaces types. To me seems reason someone would go to CRS If he already has CRS in network as in this case it would be more economic to just upgrade existing fabric/LC and go to CRS-X instead of getting new HW ASR9k chassis
What do you think ?
|||
2- Also it came to my mind that 12K provides only 10G/slot however 7609 provides 40 G/slot ... So does this means 7600 can be good candidate for 12K replacment espically that XR 12416 provides total capacity of 320 Gbps and 7609 provides 720 Gbps ??
Many Thanks
Regards
Sherif IsmailI would talk to your account team about the future hardware and software feature plans for each platform and how that fits in with your requirements. I would not just consider the current system capacties. Things such as power, cooling, the technology used to interconnect the components with the need to keep backwards compatibilty mean each hardware platform has inherent scaling limits.
The current ASR9922 hardware actually delivers 660Gb/slot with fabric resiliency although there are not currently any linecards that use that much bandwidth. Publically available marketing slides already talk about the ASR being scalable to 1.2Tb/slot.
Remember that you need a revision B chassis for 400Gb/slot on the CRS. The "legacy" chassis is limited to 200Gb/slot.
If things like the high availability features in IOS-XR are important to you then a platform like the 7600 with its multilayer switch heritage and which runs IOS might not be suitable.
You could also consider the recently announced NCS 6000. -
Hello.
I'm trying to create VPLS between two ASR1004 routers and one 7600 with ES+ card.
IGP/BGP and LDP connections between all routers are OK.
Configuration is the following:
Cisco 7600: (IP 12.12.12.12)
l2 vfi TEST manual
vpn id 777
neighbor 8.8.8.8 encapsulation mpls
neighbor 2.2.2.2 encapsulation mpls
interface Vlan777
no ip address
xconnect vfi TEST
end
interface GigabitEthernet1/12 // Link to switch1
description LINK to SW1
switchport
switchport trunk encapsulation dot1q
switchport mode trunk
end
And the ASR's config: (IP 8.8.8.8/2.2.2.2)
l2 vfi TEST manual
vpn id 777
bridge-domain 777
neighbor 12.12.12.12 encapsulation mpls
neighbor 8.8.8.8 encapsulation mpls
interface GigabitEthernet0/0/0 // Link to switch2
description DOWNLINK to SW2
load-interval 30
speed 1000
no negotiation auto
no clns route-cache
service instance 777 ethernet
encapsulation dot1q 777
bridge-domain 777
Then I created SVI interfaces on both switches, connected to 7600 and ASR1K (SW1 and SW2), but ping between them in the vlan 777 was failed.
sh xconnect all from the ASR:
UP pri vfi TEST UP mpls 12.12.12.12:777 UP
UP pri vfi TEST UP mpls 8.8.8.8:777 UP
What's wrong in this configuration?I've solved the problem.
Just added
rewrite ingress tag pop 1 symmetric
to the CE facing interface
and also
mpls no-split-horizon
to l2 vfi section -
Hi All,
While i m doing for the remote ldp formation between this devices of cisco 3600 & huawei 5700,
attached the configs of these 2 nodes.what could be the possible reason for this..
witch(config-router)#do sh mpls l2 vc
Local intf Local circuit Dest address VC ID Status
Vl2292 Eth VLAN 2292 10.50.1.1 2292 DOWN
VFI 2293 vfi 10.50.1.1 2293 DOWN
Switch(config-router)#do sh mpls l2 vc det
Local interface: Vl2292 down, line protocol down, Eth VLAN 2292 down
Destination address: 10.50.1.1, VC ID: 2292, VC status: down
Last error: Local peer access circuit is down
Output interface: none, imposed label stack {}
Preferred path: not configured
Default path: no route
No adjacency
Create time: 04:16:50, last status change time: 04:20:09
Last label FSM state change time: 04:16:49
Signaling protocol: LDP, peer unknown
Targeted Hello: 10.50.2.2(LDP Id) -> 10.50.1.1, LDP is DOWN, no binding
Graceful restart: not configured and not enabled
Non stop routing: not configured and not enabled
Status TLV support (local/remote) : enabled/None (no remote binding)
Thanks
anandHi Nagendra,
This is directly connected switch for which i ma trying to establish a remote ldp,
sh mpls interfaces, states the tu1 as down, is there anything wrong in here
Switch# show mpls interfaces
Interface IP Tunnel BGP Static Operational
Vlan21 Yes (ldp) No No No Yes
Tunnel1 Yes No No No No
interface Tunnel1
ip unnumbered Loopback0
mpls ip
mpls label protocol ldp
tunnel destination 10.50.1.1
end
also the preferre path in
pseudowire-class TEST
! Incomplete config [Unconfigured or invalid tunnel interface]
encapsulation mpls
preferred-path interface Tunnel1 disable-fallback
! Incomplete or invalid tunnel interface
Please suggest on this..
Thanks
kumar -
Hi,
I want to capture packet on gi0/0 of PE1 in order to show customer that all his traffic is encapsulated and transmitted by L2VPN (ldp signaling) in his lab.
CE1-----------(g0/1)PE1(g0/0)------------PE2-----------CE2
PE1 and PE2 are Cisco3945 and L2VPN is working well. I tried cisco RITE(Router IP Traffic Export Packet Capture) feature, but the output was not what I expected. I tried both export mode and capture mode. Only LDP hello message I got, looks like RITE is only interested in IP packet. Monitor session wasn't effective as well because it is not a switch.
Is there any other way/workaround to capture customer's traffic encapsulated in L2VPN?
What I did on PE1 when I was trying RITE export mode:
ip traffic-export profile test
bidirectional
interface GigabitEthernet0/2
mac-address e411.5b44.3a6d
interface GigabitEthernet0/2
ip address 10.1.2.1 255.255.255.0
interface GigabitEthernet0/0
ip traffic-export apply test
Gi0/2 connected my PC(10.1.2.2) with wireshark installed.
Many thanks.
Regards,
Jerry FanThanks Shivlu. I tried, but failed. 'monitor capture' is only interested in ipv4 and ipv6. Maybe the IOS in Cisco3945 isn't same as the IOS in Cat6500 or Cisco7600 or GSR/CSR.
See following:
===================================================================
Router_MPS_TEST_A#monitor capture ?
buffer Control Capture Buffers
point Control Capture Points
Router_MPS_TEST_A#monitor capture po
Router_MPS_TEST_A#monitor capture point ?
associate Associate capture point with capture buffer
disassociate Dis-associate capture point from capture buffer
ip IPv4
ipv6 IPv6
start Enable Capture Point
stop Disable Capture Point
Router_MPS_TEST_A#monitor capture point ip ?
cef IPv4 CEF
process-switched Process switched packets
Router_MPS_TEST_A#monitor capture point ip p
Router_MPS_TEST_A#monitor capture point ip process-switched ?
WORD Name of the Capture Point
Router_MPS_TEST_A#monitor capture point ip process-switched test-point ?
both Inbound and outbound and packets
from-us Packets originating locally
in Inbound packets
out Outbound packets
Router_MPS_TEST_A#monitor capture point ip process-switched test-point b
Router_MPS_TEST_A#monitor capture point ip process-switched test-point both ?
Router_MPS_TEST_A#monitor capture point ip process-switched test-point both
===================================================================
At last, I have to insert a switch in the middle of two cisco3945 and configured port span. That worked very well. Anyway, many thanks for your advice.
Jerry Fan -
MPLS, Summarisation, OSPF and stubby areas
Since summarisation breaks the LSP and this is not desired in an MPLS VPN network on the core, can it be concludded then that stubby areas can not be used on the service provider core, if he wants to offer MPLS VPN service?.
Or how does he avoid or workaround the issue of summarisation, small Link State Database and areas on the core.You are correct. It is not possible to use stubby areas if you want to deploy MPLS VPN. You can still summarize though as long as you don't summarize the IP addresses assigned to the loopback interfaces. One way to do it is to use a different address range for the loopback interface of all your PEs and to use summarization for all address ranges but this one. This way only the loopback addresses will be advertised as /32 and the rest of your prefixes will be nicely summarized.
Hope this helps,
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