About peter.zhu

peter.zhu · 09-03-2025

we had one C1111 router a site, connected to internet. It has ipsec tunnel with SSNG and run over bgp. Currently, the ipsec tunnel is up, but bgp down. Previously, the bgp came up after clear the ipsec tunnel. But, it doesn't work today. Can anyone s...

peter.zhu · 08-21-2025

Hi All, I encounter a puzzle for bgp selection, same prefix received from two different BGP peer, AS path, local pref all same, not sure why it prefer route learned from 62.5.100.97, instead of 10.72.192.17 aa-byted-san70-sfo-am#sh ip bgp 10.7.0.0BGP...

peter.zhu · 08-11-2025

Hi All, we encountered SNMP failure after RMA replacement, the setting remained as before, but error indicated snmp user not authorized, below is the setting and error log snmp-server host 194.74.80.139 vrf LAN version 3 priv bt_Smarts_ROsnmp-serve...

peter.zhu · 04-27-2021

We faced a situation that the inbound traffic was capped to 25Mbis out of total 50Mbis BW ordered from supplier. We have removed QoS, no change at all. The supplier has confirmed no restriction on the BW. I perform ping test with giant packet, it wou...

peter.zhu · 12-08-2020

we have situation in one of spoke site, it face packet drop with dmvpn hub under bgp, but no drop to hub physical interface. to me, the physical link is fine as no drop to hub physical interface. Can anyone help understand what cause packet drop in t...

peter.zhu · 09-03-2025

I will try next time. Thanks mate

peter.zhu · 09-03-2025

I checked the setting, the dpd was there @@@@@@@@@@@@@@@@@@ crypto ikev2 profile HVPN1match identity remote address 63.250.144.1 255.255.255.255identity local email aa-makit-pon72-spl-am@hvpnv4.bt.comauthentication remote pre-shareauthentication loc...

peter.zhu · 09-03-2025

Now, the bgp come up after reset the ipsec session. The difference is that ESP packet not sent out from CE router, but only received. After reset, we can see ESP packet back and forth. I am wondering what could cause the router not send out ESP pack...

peter.zhu · 09-03-2025

Hi balaji, phase II is up and encap/decap packet, but we can't ping the bgp peer, it is big concern for me. I have no clue what is the problem. I compared with other site, the setting remain the same. the bgp peer also be reflected in routing table I...

peter.zhu · 08-22-2025

Hi Enes, thanks for your kind explain. The back ground is that we have two routers at same site with AS 65327, each routers have EBGP with PE PoP (AS12641) and customer device(AS 65328). However, certain amount of prefixes, router aa-byted-san70-sfo...

Member Since	‎01-04-2017 01:11 PM
Date Last Visited	‎09-03-2025 01:20 AM
Posts	19
Total Helpful Votes Received	10

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BGP down

BGP routing selection

C1111 SNMPV3 failure, not working

Traffic was capped to half of bandwidth

dmvpn tunnel packet drop

Re: BGP down

Re: BGP down

Re: BGP down

Re: BGP down

Re: BGP routing selection