I've been working on an MPLS/VRF lab and I'm a bit confused by MP-BGP address families. When I configured the PE to P routing (within the MPLS core), the BGP neighbors are configured under the VPNv4 address family, like this: address-family vpnv4 n...
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Resolved! BGP Best Path Selection Algorithm
HelloI know well if we have several paths to the destination, we will BGP Best Path Selection Algorithm . my question ,in which case we were obliged to use : BGP Best Path Selection Algorithm and and don't use anything else ?? i wait a answer fr...
ASR 900 line card 4 0 and 5 0 controller is installed but interface serial is not showing in asr router . Instead of this showing SERIAL-acr and serial-pg
I'mseeing overflow of alerts on the 9K switch. Temperature looks good, Power status looks good, no operational impact was reported so far. Not much information found on the ciscobug website(https://bst.cisco.com/quickview/bug/CSCuv68250). However, th...
Resolved! bgp originate attribute
Hello, I am trying to understand the BGP originate attribute. Can anyone give an example where the BGP originate attribute is preferred over the AS-PATH attribute? Thanks
HELLO ALLi have a packet loss issue in ISP domain from only one side in all PE routers which is CISCO NCS5K to ASR920 routers the issue only when pinging in NCS5K Type escape sequence to abort.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
Dear ,I’m trying to configure INTER-AS VPLS as the attached topology the ASBR1:Cisco IOS , PE1:ASR9K and ASBR2:Juniper MXThe L2vpn BGP Multi-hope BGP is up and I can see the label swapping form the both end but the VC is down RP/0/RSP0/CPU0:IGW-LON-1...
1. PPPoE Session on CE1:CE1#SHOW PPPOE SESSION1 client sessionUniq ID PPPoE RemMAC Port VT VA StateSID LocMAC VA-stN/A 0 0000.0000.0000 Fa0/0 Di1 N/A PADISNT0000.0000.0000```2. Interfaces on CE1:CE1#SHOW IP INT BRIInterface IP-Address OK? Method Stat...
Resolved! SR MPLS VPN オプション C に関する質問
2 つの RR ルーター間で VPNV4 ネイバーを確立する際のトラブル この問題の解決を手伝っていただければ幸いです。 ありがとうRP/0/0/CPU0:P1-RR#show bgp vpnv4 unicast summaryTue Dec 5 11:26:33.927 UTCBGP router identifier 172.16.1.3, local AS number 100BGP generic scan interval 60 secsNon-stop routing is enab...
Hi everybodyI ecnountered a strange problem while testing mpls te.Looks like the interface tunnel doesnt show the traffic going though it.I know theres about 4gbps traffic on the tunnel but the output byte and rate is 0.How can i solve this problem?E...
Hi everyoneI'm using MPLS TE and FAT-PW combination for load balancing l2vpn traffic with src-dst-ip and it works perfect with ipv4 but doesnt balance on ipv6.i used wireshark on links and all the traffic only goes through one link.Also the mpls flow...
Hi, I'm trying to add a couple of Nexus 93360YC-FX2 to an existing network built with some ASR 920 routers. Physically, I've got a Catalyst 9500 in the middle temporarily: two edge ASR 920 routers are connected with Port-channels to the 9500 and so a...
R1 can reach R4 through R2 and R3，R2 is the main pathWhen I turn off the direct interface between R2 and R1，always lose at least 8 packets。I was used ISIS-BFD between R1 and R2,R1 and R3LDP-IGP SYN is also used in R1 , R2 and R3But nothing changed,wh...
Hi all,I configured the following lab to understand how the L3VPN service works. I set up everything except MPLS within AS 2. In the CE routers, I configured 2 loopbacks (R1: 1.1.1.1/32 and R4: 4.4.4.4/32) and advertised them via BGP. I then created ...
Hi everobodyI've been wondering if there is a way to load balance the traffic of an l2vpn.for example here is the secanrio:CE1 ---- PE1 ===== MPLS Network ===== PE2 ---- CE2---- One Link ==== Two Linksthen i configure an xconnect between the PEs, the...
