I understand that session hold time is for an established session, and the discovery hello intervals are for neighbor discoveries, but i do not understand why there is discovery hold time, while the new neighbors are being discovered in 5 sec interva...
Hi,I am working with the following topology: Between PE#1 and PE#2 an iBGP neighborship exists, both PEs have an OSPF neighborship with the P router. Recently, we've added a second physical link between P and PE#2 but we observed an uneven balanci...
Starting with ios-xe 17.5 on ASR920, when configuring a EVPN bridge domain, device tracking functionality is automatically enabled and corresponding evpn policies block some ARP requests.Looking for a way to disable device tracking functionality on ...
Hello CommunityI was create a site to site VPN but it failed to come up for unknown reason. I kindly ask for help.I have two site. One is Site-A and Second is Site-B.At Site A I have NAT Host PC 10.1.1.10 to NAT 200.1.1.25 when I tried to initiate ic...
Hey guys, I got a problem.In the picture attached, R1 & R4 are running iBGP with 192.168.12.1, 192.168.34.4 and "next-hop-self" eabled. Now R6 wants to ping 5.5.5.5 which is R5's loopback0, and I know it would fail. Because the next-hop of 5.5.5.5 is...
Hello, I am trying to understand the use of 'mpls ldp password required' command. If I configure just the 'fallback' command but not the 'required' command ldp authentication still works. then what is the use of the 'required' command? Thanks,Sachin
What will be the recommended label-allocation-mode for a network with three NCS55A2 peering with other ISP getting full routes from the Internet (898752 total router). The default is label allocation per prefix, but when I peer with another provid...
can we build IPSEC between C9300 and Cisco ASR 1002? if not, any other options to configure data encryption with these hardware models using the mpls provider.
I'm trying to configure mVPN Profile 6.I am following a Cisco Live Lab by the letter and when I get to this stage: RP/0/0/CPU0:PE1#conf t RP/0/0/CPU0:PE1(config)#route-policy vrf-one-profile-6 RP/0/0/CPU0:PE1(config-rpl)#set core-tree mldp-inban...
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...
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...
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.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
