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cef unresolved on line card which causes traffic blackholing cef shows the adj is glean in the LC The LL_encap for the V4 NH got programmed in the HW IPNH object seen in the DB
the issue was reported for bundle-ether interface no other specific conditions
no workaround reload affected line card as a recovery
RP/0/RP0/CPU0:iosxr#show cef 10.127.160.0/19 hardware egress location 0/0/cpu0 %Prefix not found or IP is not running. VRF default. RP/0/RP0/CPU0:iosxr5# RP/0/RP0/CPU0:iosxr#show cef unresolved location 0/0/cpu0 | i 10.127.160.0 10.127.160.0/19 192.168.228.63/32 (?) .... RP/0/RP0/CPU0:iosxr#show cef 192.168.228.63 hardware ingress detail location 0/0/cpu0 192.168.228.0/24, version 1968425, attached, connected, glean adjacency, internal 0x3000061 0x0 (ptr 0xfddb2948) [1], 0x0 (0x8df58af8), 0x0 (0x0) Updated Apr 7 22:02:50.654 Prefix Len 22, traffic index 0, precedence n/a, priority 0 gateway array (0x8a4e8700) reference count 1, flags 0x0, source rib (7), 0 backups [2 type 3 flags 0x8401 (0x8e716d78) ext 0x0 (0x0)] LW-LDI[type=3, refc=1, ptr=0x8df58af8, sh-ldi=0x8e716d78] gateway array update type-time 1 Apr 7 22:02:50.652 LDI Update time Apr 7 22:02:50.652 LW-LDI-TS Apr 7 22:02:50.652 via Bundle-Ether105, 2 dependencies, weight 0, class 0 [flags 0x8] path-idx 0 NHID 0x0 [0x89929318 0x0] glean adjacency ... RP/0/RP0/CPU0:iosxr#show adjacency bundle-ether 105 internal detail location 0/0/cpu0 | b 192.168.228.63 Bundle-Ether105, 192.168.228.63 (ipv4) Version: 3460078, references: 3, transient lock: 0 Encapsulation information (14 bytes) 182ad3f6ffd57c310e1c20db0800 MTU: 1500 Adjacency pointer is: 0x3108a735a8 Platform adjacency pointer is: 0x308e47ab58 Last updated: Jan 5 12:05:44.699 Adjacency producer: arp (prod_id: 11) Flags: not tunnel, bundle, externally managed adj(L2 Bundle), incomplete adj, ... RP/0/RP0/CPU0:iosxr#show cef trace adj-prefix location 0/0/cpu0 | include "Found adjacency route in reject trie" Jan 5 09:42:17.719 fib/common/adj-prefix 0/0/CPU0 t5668 IPv4: FIB-ADJ-REC-RSLV (192.168.228.63/32): Found adjacency route in reject trie, via_fib (conn rt) 0x30fddb2948